1.
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The contribution deals with computational modelling of static equilibrium position of centre of the shaft under the cavitated and uncavitated journal bearing. There are c [...]
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2.
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Abstrakt: Possible discretization technique oj the continuous state space oj Jour-Iegged robot using simultaneous compositions oj behaviors is described in this contribut [...]
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3.
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Abstrakt: Předložená práce se zabývá problematikou napjatosti a deformace konstrukčních prvků typu tenkostěnných nosníků s otevřeným příčným průřezem [...]
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4.
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Abstrakt: V práci je odvozena přenosové matice tlumících účinků v závislosti na paměťové funkci kapaliny, druhé viskozitě a modelu standardního tělese tru [...]
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5.
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Hlaváček, Miroslav
Abstrakt: The synovial film filtration by articular cartilage in the human ankle joint loaded by a cyclical loading (similar to that in walking) is analyzed. The cartilag [...]
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6.
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Abstrakt: Příspěvek seznamuje s metodickým přístupem k problematice posuzování odolnosti prosklených zadních dveří osobních vozidel proti destrukčnímu ráz [...]
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7.
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Abstrakt: The distribution of the intermittency factor r is discussed in the case of boundary layer by-pass transition. Taking into consideration the turbulent outer stre [...]
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8.
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Langr, Zdeněk
Abstrakt: Článek se zabývá problematikou elektromechanické náhrady setrvačniku spalovacího motoru v systému startérgenerátor-spalovací motor nebo v hybridnim [...]
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9.
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Machát, Miroslav
Abstrakt: Příspěvek se zabývá srovnanzm dvou metod, které se používají k určení křivky přirozeného deformačního odporu z experimentálně zjištěných da [...]
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10.
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Marada, Tomáš
Abstrakt: Tento článek obsahuje numerické experimenty, popisujicí nastaveni parametrů Q-učeni pro řízeni asynchronniho elektromotoru. Citem je stanovit velikost a [...]
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11.
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Abstrakt: Vibrations of VVER 1000 pipeline. This contribution explains the causes of highfrequency pipeline vibrations between regulation valves and 1000 MW turbine body [...]
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12.
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Abstrakt: V práci jsou uvedeny vztahy pro měřeni druhé viskozity málo stlačitelných tekutin, pro které platí $\rho(x,t)=\rho_0+\tilde{\rho}(x,t),\tilde{\rho}=\rh [...]
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13.
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Šlechtová, Marcela
Abstrakt: Příspěvek se zabývá deformačně - napjatostní analýzou páteřního prvku s aplikovaným krčním fixátorem. Deformačně - napjatostní analýza je ř [...]
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14.
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Soldát, Jaroslav
Abstrakt: This work aims to reduce the thermal errors of the machining centres by indirect compensation methods. Thermal effects can form more than 70% to the overall dis [...]
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15.
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Stříž, B.
Abstrakt: V článku je uvedena metoda výpočtu svěrne1w tlaku textilie měřením plošné deformace textilie a hlavních poloměru křivosti pokožky těla ve zkouman [...]
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16.
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Abstrakt: Chlazení a ventilace elektrických strojů je v součastné době samostatná disciplina stavby elektrických strojů, která používá speciální analytick [...]
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17.
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Abstrakt: After mixing kaolin with water attractive and repulsive forces between kaolin particles initiate process of coagulation and peptisation, respectively. The coagu [...]
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18.
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Zapoměl, Jaroslav
Abstrakt: Rotors belong to the most frequently used components of machine devices. In a number of cases they are coupled with the stationary part through hydrodynamical b [...]
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19.
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20.
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Fuis, V.
The paper deals with the problems of the stress and failure probability of the ceramic head of hip joint endoprosthesis. Computational modeling is used to solve the probl [...]
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21.
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Jiroušek, O.
Article deals with explicit finite element modelling of contact conditions of human head impacting a flat rigid surface. For this purpose, detailed 3-D model of human s [...]
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22.
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Křepela, O.
In the year 2004 the company ŽĆAS, a.s. has introduced on the market additional equipment for hydraulic shears CNS 320 K and CNS 400 K. Internal hopper is intended for [...]
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23.
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Programming robot PLC controller through voice recognition system has been presented. The purpose of this project is a development of a robot control voice protocol allow [...]
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24.
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The basic form of the exhaust hood for single flow arrangement of steam turbine was designed by the experience from the optimization process of hoods for double flow arra [...]
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25.
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One of the main modes of bed load transport is saltation when particles hop up from the bed and follow ballistic-like trajectories. Mathematical models of saltation are m [...]
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26.
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The presented paper is focused on the stress – strain analysis of the restored tooth. From the reason of general geometry, complex material properties and boundary cond [...]
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27.
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This report documents the first part of research supported by the grant of Ministry of Industry and Trade of Czech Republic. The holder of grant is Aeronautical Research [...]
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28.
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This contribution is consider with computational modelling of oil film flow stability in long lemon, offset and lemon-offset uncavitated bearings. In this contribution is [...]
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29.
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Our recent experiments on filament-wound composite tube showed that unidirectional and cross filament-wound composite tubes had non-linear behaviour even under axial load [...]
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30.
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The crack growth prediction techniques in the critical area of the small transport aircraft undercarriage bracket has been describe in this paper. Stress-state was determ [...]
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31.
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The paper deals with numerical computations of viscous incompressible fluid flow in glottis described by Navier-Stokes equations and discretised by the finite element met [...]
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32.
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The basic problem of analytical and computer design of the spatial gears is the synthesis of their tooth surfaces. The technology of many gear pairs manufacture is based [...]
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33.
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The paper presents the results of the computational modelling of the stress states in the ceramic head of the hip joint endoprosthesis. The analysed system is loaded acco [...]
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34.
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Choice of a convenient constitutive model for computational modelling of soft tissues is an important assumption of model reliability. The optimal shape of constitutive e [...]
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35.
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A workpiece manipulation assembly includes two main parts. A base is permanently connected to a spindle. A pallet is manipulated of a rotary manipulation table from worki [...]
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36.
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The contribution presents experimental investigation of the frequency modal, damping and stress wave propagation characteristics and finite element (FE) mode ling of the [...]
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37.
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Čečrdle, J.
The submitted paper deals with aeroelastic optimization. It gives a summary of theory with special regard to the aeroelasticity. Main part describes optimization of the a [...]
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38.
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The speech audiometry answers the question how a person is able to perceive, differentiate and understand living speech. The first construction attempts of speech audiome [...]
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39.
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The paper assess a behavior and an impact of the air flow on two hangar buildings. For the first hangar the investigation was carried out using both wind tunnel testing [...]
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40.
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The presented poster deals with the Finite Element Analysis dynamical model of VVER 1000 nuclear reactor control rod drive (LKP-M/3). It describes the setting up of the c [...]
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41.
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The paper offers a novel approach to the modeling of asphalt mixtures. It introduces a concept of so called statistically equivalent periodic unit cell (SECUP) known from [...]
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42.
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Zapoměl, J.
The rotor systems consit of two principal components, of a rotor and of a stationary part, and the fluid film bearings are often used as coupling elements. As the clearan [...]
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43.
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The diffusion of the fluid particles is one of the important fundamental problems of the research of transitional and turbulent flows. This phenomena is of great importan [...]
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44.
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This article describes methods for computing pulse wave velocity propagation through artery wall and usage for an asymptomatic abdominal aneurysm diagnosis. The methods u [...]
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45.
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The paper deals with problems of buckling in resistors of electric rail vehicles. The resistors are objects in that the electric power is expended during dynamic braking [...]
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46.
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Gronát, P.
In this paper, a correlation method for direct vorticity computation of the fluid velocity field is introduced. The correlation method allows an affine transformation of [...]
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47.
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The paper deals with development of a computational model describing oil expression from oil-containing seeds. The principles of compression in the rotating screw pressin [...]
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48.
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Total knee and hip implants are usually designed for the static load of standing man, but the static load is not extreme. The top of research is to search extreme values [...]
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49.
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Authors introduced a new method of processing flow visualisation images, aiming at identification of instability structures. In principle, the method utilises the structu [...]
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50.
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This paper deals with the development of process for finding the optimal number and location of piezoceramic actuators and sensors to suppress the vibration of 2D systems [...]
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51.
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The paper deals of a with the parametric study of the dynamic behavior multistorey panel building applying an advanced computation model developed using finite element li [...]
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52.
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The main point of this research was to determine the practical and theoretical level of possibilities of the recycling gypsum binder and to characterize the recycling gyp [...]
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53.
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Computer-aided engineering (CAE) represents the broad usage of computers for engineering problems. It includes computer-aided design (CAD) or computer-aided analysis (CAA [...]
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54.
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The manufacturing program of ZDAS, a.s. includes the straightening machine of XRK type. The XRK 2-180 straightening machine is an energy-intensive one. Within the framewo [...]
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55.
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Karczmarzyk, S.
An exact local model for computing the coincidence frequencies of multilayered sandwich panels and numerical results predicted by the model are presented in the paper. Th [...]
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56.
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This paper describes the design of the frame and power system of autonomous mobile robot intended to operate as an information portal, or an electronic hostess for indoor [...]
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57.
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ElGamal, M. A.
For decades, the Global South has been facing many challenges in the field of heritage conservation and local development. These challenges continue to increase due to ra [...]
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58.
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This contribution describes method of data transfer from MEMS component to PC, design and realization of communication between tri-axis gyroscope (accelerometers) system [...]
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59.
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Fluid, lime-based grouts for the conservation of historic buildings have been mentioned infrequently in the literature, and with relatively few details of the experimenta [...]
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60.
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Abstrakt: A great intention is lately focused on Reinforcement Learning (RL) methods. The article is focused on improving model free RL method known as Q-Iearning algorit [...]
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61.
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Daněk, V.
Abstrakt: The results oj computational estimations oj deviation histories oj aircraft pitching control in dependence on jlight regime at steady horizontal jlight are pres [...]
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62.
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Abstrakt: Příspěvek se zabývá napjatostně deformační analýzou degenerovaného páteřního prvku, přičemž degenerace může být způsobena jak v důsledku ú [...]
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63.
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Abstrakt: Článek se zaměřuje na řešení torzního testu pro krátký ocelový vzorek. V průběhu řešení bylo respektováno uchycení v čelistech zkušebního s [...]
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64.
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Křen, J.
Abstrakt: The problem of the interaction between a liquid and flexible continuum occurs very often in practice. In the male urinary tract the interaction between urine an [...]
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65.
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Abstrakt: Článek prezentuje výsledky experimentálního výzkumu chování vlnovcové dvouvlnové pneumatické pružiny při kvazistatickém osovém a mimoosovém zat [...]
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66.
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Abstrakt: The small aerodynamic facility with variable gas density, concentration of the airhelium mixture and flow velocity is described. Next the procedure of mixing th [...]
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67.
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Morávka, Štefan
Abstrakt: The paper follows with the preceding works dealing with the research of the tranzient elastic waves propagation in bodies with basic constructional forms (i.e. [...]
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68.
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Abstrakt: Long-term observation of bridges supported by bearings made of synthetic materials reveals a steady horizontal deformation increase of these elements. This proc [...]
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69.
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Abstrakt: Dynamic effects of seismic excitation and of the steam line break in the weld of the steam pipe and the steam collector during an earthquake are analyzed. Gener [...]
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70.
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Abstrakt: Paper presents mathematical model of two-dimensional electrolyte flow in interelectrode gap and calculation results for form electrodes with development geometr [...]
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71.
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Abstrakt: Method and results of numerical simulation of the elastohydrodynamic (EHD) lubrication of the profiled roller of finite length are presented. Peculiarities of t [...]
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72.
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Polach, Pavel
Abstrakt: A front impact against a concrete wall at the driving speed of 5 kmlh is one of the tests which are used for the verification of properties of public transport [...]
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73.
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Polanský, Jiří
Abstrakt: Besides chemical factors, those of a physical nature are considered today as also being capable of influencing negatively the progress of arteriosclerosis, for [...]
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74.
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Abstrakt: This contribution deals with the functional description and initial setting of the Reactor Vibration Monitoring System (RVMS) that is supplied as a part of the [...]
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75.
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Abstrakt: In this paper the authors propose the use of generic elements as a viable tool for parametric model-based damage detection. The parameters gained by use of gene [...]
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76.
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Abstrakt: This report analyses the possibility of the computional modeling of nonlinear elastic orthotropic materials in FEM system ANSYS, which does not have any finite [...]
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77.
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Abstrakt: The paper describes methods of hard cutting spiral bevel and hypoid gears. From the G leason system TAN -TR U method and conventional generating methods using c [...]
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78.
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Abstrakt: A parametric optimization of the gearbox in steady vibration excited by gear kinematics transmission errors is presented. The process is based on the gearbox de [...]
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79.
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80.
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In the present contribution, a numerical simulation of the nonlinear behaviour of the Charles Bridge in Prague with the emphasis on the heterogeneous character of the mat [...]
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81.
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Asynchronous electric motor control task can be successfully solved using reinforcement learning based method called Q-learning. The main problem to solve is the converge [...]
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82.
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In this paper, an approach to dynamic analysis based on the fuzzy set theory is presented as a alternative to the classical stochastic dynamic analysis. The material para [...]
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83.
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The impact of synthetic jet on the properties of the main jet flowing from an axisymmetric nozzle has been investigated. The examinations were preceded by a theoretical a [...]
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84.
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One possibility how to decrease lateral vibration of rotors excited by imbalance of the rotating parts is to couple the shaft with the stationary part through squeeze fil [...]
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85.
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At the loudspeaker system designing, especially for bass zone, many things have be taken to account. First it is loudspeaker, secondary loudspeaker’s baffle board. For [...]
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86.
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Rudolf, P.
Flow in a square sectioned 90 deg elbow with extremely small radius of curvature is analysed. Turbulent flow simulations with realizable k-el are performed and compared w [...]
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87.
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This paper is aimed at the problem of limit load carrying capacity of pipeline damaged by surface corrosion defects. Burst (limit) pressure is predicted using methodology [...]
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88.
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Q-learning method proved to be usable in active magnetic bearing (AMB) control task, however the learning speed remains the main problem. Two-phase variant of the Q-learn [...]
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89.
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It has been found there is a probability of a sudden break of all 20 bolts fastening primary header cover. This cover separates the medium of the primary circuit header f [...]
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90.
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Cyclic tests with the maximum force in a cycle Fmax = 5,5 kN and the cycle asymmetry ratio R = F min / F max = 0, 1 were carried out on fiat specimens of 5mm in thickness [...]
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91.
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Zelenka, J.
This article describes the method of modelling the operation of a unit of the 680 series on a concrete section of the corridor of the Czech Railways and the height and di [...]
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92.
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The paper presents the main problem of the wing airfoil glaze ice accretion prediction: theoretical solution of the flow of a thin water layer on a cold swjace and gradua [...]
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93.
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The paper concerns the main problems which appear during cutting spiral bevel gear according to Spiral Generated Duplex Helical method. The geometrical solutions and math [...]
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94.
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Němeček, M.
The mail idea of this paper is to compute errors in the position and orientation of an end-effector by the efficient way. We have a simple open chain with revolute joints [...]
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95.
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Ferfecki, P.
For the purpose of efficient diagnostics of fault conditions the influence of transverse fatigue crack on dynamical behaviour of a rotor system supported by active magnet [...]
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96.
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Foundation of buildings in deep ditches under the ground water level highly elevated during floods is a serious problem. Cracking arising due to the combination of hydrat [...]
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97.
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In general all orthopaedic operations may cause the change of muscle balance. This unbalance various not only range of movement but also the loading vector during the mov [...]
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98.
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The paper is devoted to fatigue crack propagation in layered materials. The influence of plasticity induced crack closure on threshold values for fatigue crack propagatio [...]
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99.
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Pařík, P.
A symmetric sparse direct solver for finite element problems is presented. Solution of large systems can be very memory-demanding and timeconsuming process, and it may ev [...]
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100.
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Pečínka, L.
Pipe break probabilities calculated in nuclear industry for purposes of PSA studies are based either on the in sights from the operating experience or on the fracture mec [...]
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101.
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This contribution deals with computation of stiffness and damping coefficients of aerostatic bearings. Model of bearings is based on Reynolds equation for compressible m [...]
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102.
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Tůma, J.
The paper deals with angular vibration measurements using incremental rotation encoders. The main topic is focused at errors due to the impulse non-uniform distribution v [...]
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103.
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A 3D finite element model of the human larynx including the vocal folds was developed. The model enables to take into account phonation position (tension and adduction) o [...]
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104.
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Complex analysis of massive historical structures that takes into account all geometrical details is still not computationally feasible. Instead, either coupled or uncoup [...]
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105.
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The radiated sound pressure level (SPL) during phonation is known to be mainly regulated by lung pressure and glottal resistance (adduction), at the glottal level. Few re [...]
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106.
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The paper deals with material models calibration from experiment tests on cylindrical bar. There are calibrated four ductile damage criteria, which seem to be generally w [...]
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107.
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The stability of the contact algorithm is significantly influenced by the local contact search procedure, which consists in the determination of the exact position of t [...]
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108.
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This article describes methods and results obtained from the analysis of deformation influence of a car combustion engine upon function of the valve-guideseat assemblage [...]
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109.
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This paper presents a simulation of 3D curved crack propagation in a steam turbine blade lock. These fatigue cracks are often initiated near a blade root contact zone. Tw [...]
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110.
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The paper deals with the force-torque control for industrial robots for various types of applications such as grinding, drilling, automatic assembly or other applications [...]
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111.
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The study presents three-dimensional finite element (FE) model of flow induced oscillations of the human vocal folds in interaction with acoustic processes in the simplif [...]
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112.
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The paper presents analysis of laboratory experiments on soils that are usually classified as coarse grained soils and are often used as backfill for trenches from pipes [...]
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113.
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Checking analyses of large steel tanks with fluid have been carried out within the frame of the project of completion of Units 3 a 4 of the nuclear power plant Mochovce. [...]
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114.
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Donát, M.
The electromechanical interaction in rotating electric machines induces additional forces between the rotor and the stator. A simple electromechanical computational model [...]
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115.
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Squirrel cage induction motors are employed in various machines and means of transport mostly as traction motors. The usage of this type of motors in vehicles can be conn [...]
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116.
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Homogenization methods are becoming the most popular approach to modelling of heterogeneous materials. The main principle is to represent the heterogeneous microstructure [...]
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117.
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This contribution deals with reliability of railway wheels as influenced by the occurrence of impaired limiting material strength. Results are presented of material inves [...]
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118.
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Chaos and chaos theory is a field of study in mathematics, computer sciences, electronics, physics and also engineering too. In our article will be explored chaotic behav [...]
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119.
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This paper deals with the parallelization of Delaunay triangulation. Meshing algorithms are relatively time and memory consuming for large problems. In connection with th [...]
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120.
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The paper deals with a creation of computational model of cancellous bone. Cancellous bone is inner porous part of bones and it is of a very complex geometry. It is compo [...]
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121.
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Omishore, A.
The verification of the design reliability of a steel element according to the concepts of standards EUROCODE 3 and EN1990 is presented in the article. Reliability analys [...]
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122.
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Flexural vibrations of rotating disk contain forward and backward traveling waves can be excited at certain speed of rotating disk also by a standing constant single poin [...]
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123.
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This paper is concerned with mathematical modeling of the imperfect bladed disk with friction elements, which are used to suppress blade vibration. These kinds of systems [...]
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124.
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This paper deals with a mathematical model of fluid flow in Tee-junction with the 90° angle of adjacent branch and with the same diameter of all branches. There is only [...]
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125.
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The article deals with a design of the control system for rehabilitation device of upper arm based on artificial muscles. The main part is devoted to a description of mai [...]
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126.
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127.
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128.
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129.
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130.
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131.
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132.
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The cultural tourism, in the last few years, has received bigger attention due to the search for a high-quality tourism, the possibility of activity's diversification and [...]
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133.
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Šlechtová, M.
A stress-strain analysis of a spinal element with applied cervical fixator is presented. The problem is solved by the finite element method using commercial software pack [...]
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134.
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Abstrakt: This paper presents development oj polyuretan foam simulating model. The combination of pneumatic cylinders filled by ideal gass with polytropic change of stat [...]
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135.
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Dobiáš, Ivan
Abstrakt: The S4P programme (Science for Practice) of the Engineering Academy of the Czech Republic (EACR) concentrates on new research knowledge transfer into industry a [...]
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136.
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Holub, Rudolf
Abstrakt: Frequently, a manufacturer will have to demonstrate that a certain product has met a goal of certain reliability at a given time with a specific confidence. Oft [...]
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137.
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Jirouš, F.
Abstrakt: It is shown that only a system with counter-current in- and outflow (U-type flow) can lead to an even distribution in branched systems. Calculations prove that [...]
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138.
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Kocanda, Lubomír
Abstrakt: Soft impact oscillator with one degree of freedom containing soft stop is considered. Ways of the system to a chaotic motion are dealt with. Various ways to thi [...]
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139.
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Křiváková, Jarmila
Abstrakt: Článek je zaměřen na počítačové modelování stability válcových skořepin řešených dynamickou nelineární analýzou programovým souborem COSMOS/ [...]
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140.
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Abstrakt: The main goal of this paper is to study how non-linearities of components and subjective ride comfort perception quantity assessment influence the ride comfort, [...]
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141.
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Abstrakt: The long-term behaviour of a crystalline rock has been modelled as a viscoplastic problem. The Perzyna type of material models, which is based on socalled overs [...]
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142.
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Abstrakt: The traditional method of motion description of heavy machines are differential equations. In this paper for the description of tractor motion was used the meth [...]
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143.
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Abstrakt: The impact motion of rigid rotor supported on passive magnetic bearings is studied. Impacts on passive magnetic bearings are investigated. Impacts occur in reta [...]
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144.
|
Rohan, E.
Abstrakt: The paper deals with the homogenization method in the context of modelling biological tissues which undergo large deformation. The updated Lagrangian scheme is [...]
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145.
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Abstrakt: The paper deals with the bone tissue modelling as a micropolar continuum. Isotropic and orthotropic constitutive relations were used for the description of the [...]
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146.
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Abstrakt: Existence of the interface between regions with different elastic properties have a pronounced influence on the behaviour of cracks The aim of the present contr [...]
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147.
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Šklíba, Jan
Abstrakt: This paper presents a summary of the research, focused to the dynamic problems of the driver seat, performed at the Technical university of Liberec during the l [...]
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148.
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Abstrakt: The procedure based on a traditional genetic algorithm (GA) is demonstrated on the price optimization of a vibrating block foundation. Unbalanced rotating mass [...]
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149.
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Abstrakt: Commutator is an important part of direct-current electromotor, the function of which is to swith single windigs of its rotor. Presented paper is focused on imp [...]
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150.
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Abstrakt: EUCOR, a corundo-badelleyit material, which is not only resistant to wear but also to extremely high temperatures, is seldom discussed in literature. The solidi [...]
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151.
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Abstrakt: V přispěvku jsou předneseny nové poznatky o matematickém modelu nestacionárního proudění v rozvětvení tvaru T. Je zde naznačeno jeho odvození a jso [...]
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152.
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Abstrakt: In relation to previous solution of non-stationary state of stress in elastic plate excited by singular force, the solution of transversa le impact an elastic t [...]
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153.
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Abstrakt: As in case of previous papers published on conference IM 2000, 2001 the influence of asymmetry at oscillating three-dimensional resiliently beared body, rigid p [...]
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154.
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Abstrakt: Finite element analysis was attempted to modeling microcracks and overall response of solid composites (two-dimensional problem) under compression. As a mathema [...]
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155.
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Abstrakt: The stepping stone in evaluating effective elastic properties of woven composite tubes is an accurate geometrical description of the composite tube on meso-scal [...]
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156.
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Zapoměl, Jaroslav
Abstrakt: Properties of fluid film bearings are significantly influenced by the shape of the cross section of the holes in the bearing shells. In computational models the [...]
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157.
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158.
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159.
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160.
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The modelling of reinforced concrete slabs is a topic of this paper. The main attention is paid to the cracks propagation, the increase and localization of the damage and [...]
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161.
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This paper presents the work performed by the Institute of Aerospace Engineering, Brno University of Technology. Purpose of the project was to compare the results obtaine [...]
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162.
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Hejman, M.
The article describes principles of creation and application of virtual roadway. Differences between fatigue damage due to big unevenness and homogeneous part of roadway [...]
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163.
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The paper deals with determination of surface roughness influence on spray cooling intensity. The questions of the surface quality on the heat transfer and the Leidenfros [...]
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164.
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Hrůza, V.
During fonation the vocal folds are excited by air flow. This air is portioned by vocal folds into separated air bubbles. These are the cause of the source voice. It is o [...]
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165.
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This paper deals with a computer simulation of coupled heat and moisture transfer in a reactor vessel which affected shrinkage and creep of the structure. The mathematica [...]
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166.
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This paper presents some results of the thermal deformation analysis of screwed toothed rim. The loading was determined by thermal gradients and by prestressing of connec [...]
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167.
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Mechanical stimuli represent a very important factor influencing cellular processes and functions. The knowledge about mechanical properties of cells is necessary for und [...]
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168.
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This report deals with equipment for slow cooling of continuously cast billets. The equipment development mainly consisted in temperature computations – billet cooling [...]
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169.
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The paper contains the preliminary results of the grant project "Non-homogeneities of railway track as an aspect of track quality". The special device for measuring the v [...]
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170.
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The model of the human vocal fold is created with transfer matrix method. The model is made from 32 cylindric or conic elements for Czech vowel /u/. The calculation is ca [...]
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171.
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This contribution deals with computational modelling of static and dynamic analysis of journal bearings. In this contribution a new theoretical approach to the modelling [...]
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172.
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During the last decades, the finite element method has become the most powerful structural analysis tool and it allows using of more and more sophisticated material mode [...]
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173.
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The paper deals with cooling of grooved roll. The aim is to find optimal spray parameters, specify nozzle type, geometrical configuration and feeding pressure to elongate [...]
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174.
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Vlach, R.
The paper is concerned with computational simulation of stator winding heating of synchronous machine. A parametric model where is possible change design of machine. Soft [...]
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175.
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In this paper is solved a 3D analysis of growing crack of the chevron notched three-point-bending specimen. On macroscale the specimen body is modeled as an elastic homog [...]
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176.
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The paper is concerned with the verification analysis of the wind and technical seismicity response of a power plant stack structure. During two weeks the actual history [...]
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177.
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Socha, J.
The contribution deals with the mathematical modelling in the field of vehicle directional behaviour. The complex model of the bus has been created to analyse its directi [...]
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178.
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Daněk, V.
The stability of the asymmetric flight regimes, where the couplings between longitudinal and lateral aerodynamic characteristics are significantly influencing each other, [...]
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179.
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An optimization method for the determination of elastic moduli by resonant ultrasound spectroscopy (RUS) was proposed. All components of the fourth-order tensor of elasti [...]
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180.
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Jirouš, F.
The paper deals with the influence of steam boilers flow systems design on flow distribution in branched systems. They are differential equations of flow in U and Z flow [...]
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181.
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Heller, J.
The changes of temperature induced in selected samples by pronounced pressure variations have been studied with the aim to optimalize the relevant food processing. Models [...]
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182.
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Rohan, E.
The paper deals with the method of interpolation of the homogenized effective material parameters which are computed by solving local microscopic boundary value problems. [...]
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183.
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Haluza, M.
In this article terms for calculation of pressure specific energy in the impeller are derived. Distribution of pressure in the runner outlet is calculated. The influence [...]
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184.
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The contribution deals with the 3D analysis of the chevron notched three point bending specimen which is used to determine the fracture toughness of brittle matrix compos [...]
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185.
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Křiváková, J.
The paper deals with the FEM modelling of the impact response of thin-walled cylindrical tank, which is partially or fully filled with water, to the transversal bump of t [...]
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186.
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FE numerical analysis of floor structure made from clay units HURDIS has proved that the stress state in support region, where failure occurs, is mainly influenced by six [...]
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187.
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This paper presents discrete optimization of reinforced concrete structures based on an efficient combination of deterministic and stochastic optimization strategies. The [...]
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188.
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Turbulent flow in a curved channel of the squared cross-section was numerically simulated using the CFX-TASCflow software. Besides the standard k-el and Menter´s k- mode [...]
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189.
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A computational model of surgical connection of two identical parts of arteries is presented in the paper as an example of stress-strain analysis of vascular anastomoses [...]
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190.
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In practice, two variants of a symmetric strain tensor of the second order occur. While for the first variant, complete angle alterations are present in the components of [...]
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191.
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The objective of this paper is present the development and application of FEM software (ICS FEM) for effective numerical simulation of load-bearing capacity of structures [...]
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192.
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The article deals with modeling of a firearm and its response to an intensive short-time excitation by firing process using standard FEM computational program. The paper [...]
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193.
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In this paper, we deal with mobile robot path planning in a twodimensional continuous space in which known static polygonal obstacles are defined. The aim of the path pla [...]
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194.
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Pohanka, M.
Direct measurements of boundary conditions in application such as descaling or hot rolling in steel industry or in experiments that simulates these processes are impossib [...]
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195.
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The paper deals with comparison of experimental and numerical solution of pipeline tests. Proportions of specimens used in assumed experiments have been comparable with p [...]
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196.
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Temperature evolution in concrete constructions due to hydration heat presents a formidable problem causing early age cracking and from the chemical point of view changin [...]
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197.
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Presented paper deals with computational fatigue strength prediction of high pressure level steam turbine blade pin joints. Quazi-static FE analysis of one turbine disk s [...]
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198.
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At the present time mainly FEM is used for numerical modelling of composite layered solids and structures. Using FEM, a significant amount of research has been devoted t [...]
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199.
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WRG stands for Welded Reinforcement Grids, which is a technology dealing with welding of steel reinforcement bars. The main idea of WRG is a replacement of the convention [...]
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200.
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ŠKODA VÝZKUM s.r.o. cooperated at the development of the NEOPLAN RQ low-floor bus intended for the Boston city (the United States). Multibody models and finite element [...]
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201.
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The paper proposes an approach to modeling of systems with a parametric uncertainty. The approach is based on use of upper linear fractional transformation which is commo [...]
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202.
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In the paper temperature distribution in foundation structure is analyzed for different temperature regime of environment. Temperature distribution is analyzed numericall [...]
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203.
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In order to simulate a launch, all space instruments undergo a vibration tests. Due to the fixing points in vibrating machines being different, adapters are used for each [...]
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204.
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According to recent publications, from 2005 to 2008 there were more than 13000 terrorist attacks around the world which took more than 73000 human lives. The attacks were [...]
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205.
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It is shown that a system with counter-current in- and outflow (U-type flow) in heat exchangers can lead to an even distribution in branched systems with given high tempe [...]
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206.
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The paper presents CFD simulation of flow over a wavy surface for selected geometric configurations and external flow velocities. The simulation characteristics and resul [...]
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207.
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The following article presents the results of analysis of slender bridge structure to dynamic loads induced by movement of people. Further is emphasized the importance of [...]
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208.
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Large amplitude vibrations of cylindrical structural elements are observed when under the simultaneous action of wind and rain. Due to the action of wind and rain a trans [...]
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209.
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Puklický, L.
Steel-concrete composite columns are extensively used in modern buildings. Steel being of high tensile strength presents a high quality building material, concrete on the [...]
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210.
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This article is focused on two main methods of seawater desalination. Each method is analyzed separately. Municipal solid waste (MSW) is used as energy source. Coupling o [...]
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211.
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The need to formulate mortar compositions with adequate durability and compatibility is nowadays one of the major challenges in historical buildings repair. The incorpora [...]
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Abstrakt: The aim of this contribution is to propose a new phenomenological model enabling description of non-monotonicity of shear-viscosity function for rheologically c [...]
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232.
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Dobiáš, Štěpán
Abstrakt: In this paper, the utilization of information systems in industrial practice will be discussed. Several kinds of information systems are used in works, but we f [...]
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233.
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Abstrakt: The control of motion a robot manipulator gripper and a mobile (locomotion) robot behaviour requires the solution of the direct and inverse kinematics and dynam [...]
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234.
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Hynek, Pavel
Abstrakt: This paper describes three modelling technique for rub related phenomena in rotor systems and compares their suitability for numerical simulation. Numerical tes [...]
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235.
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Kafka, Vratislav
Abstrakt: Inelastic macroscopic behavior of technical as well as biological materials is strongly related to their structures. Therefore, constitutive modeling of the res [...]
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236.
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Abstrakt: The dimensioning of the metal-diaphragm depends on the maximum measured pressure and on necessary preload. Classic methods of elasticity were used to get some p [...]
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238.
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Abstrakt: A stability criterion based on generalized strain energy density factor for a crack terminating at the bi-material inteiface is suggested. The strain energy den [...]
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239.
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Omes, Jiří
Abstrakt: Recently there is a large development and exploitation of hydraulic presses. Development of these presses leads to endeavour after exploitation of pulsating for [...]
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240.
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Abstrakt: The transverse-axial tubular system (TAT-system) of cardiac muscle is a structure that allows rapid propagation of excitation into the cell interior. As suggest [...]
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241.
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Abstrakt: In all power plants (classical and nuclear) are used safety relief valves. After opening of this ones the mass of fluid (gas or steam) begin to move with very h [...]
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242.
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Pešek, Luděk
Abstrakt: Pro identifikace parametru slabych nelinearit disipacnich vrstev byly rozsireny stavajici numericke metody a odladeny numericke programy pro pripad nelinearniho [...]
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243.
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Abstrakt: The internal combustion engine development process requires CAE models which deliver results for the concept phase at very early stage and which can be further [...]
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244.
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Abstrakt: This paper describes a part of theoretical and experimental research dealing with the problem of the aeroelastic instability onset of slender rectangular beams [...]
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249.
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Assessment of properties of reactor vessels in nuclear power plants which are more than 30 years old is necessary for eventual prolongation of their serviceability. Vesse [...]
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250.
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Cement paste is the important component of other engineering heterogeneous materials, such as various kinds of concrete. Using the micromechanic approach, intrinsic elast [...]
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251.
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Barborák, O.
Needle mechanism is directly participating on creation of stitch. Needle stick, together with needle, creates rectilinear movement in the most of sewing machines. Howeve [...]
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252.
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The testing pump with one water-pump impeller is described in this contribution. During rotation it is possible to analyse the forces and moments which impact the runner. [...]
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253.
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The paper shows possible modelling method of selected type of track. Selected type of track is a combat vehicle track. The paper describes creation of computational mode [...]
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254.
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For detection of mechanical properties of MACSTL-TWIN SCREW implant will be use a computational modelling and an experimental modelling. The computational modelling will [...]
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255.
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In this paper we discuss the use of adaptive methodology in non-linear analysis based on Finite Element Method. It is focused on static problems of elastoplasticity. Beca [...]
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256.
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The article reports on development of finite element models of human skull used in investigation of extreme stress state during a traffic accident. The procedures used in [...]
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257.
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The method of free hexagons belongs to discrete element methods. There are plenty of advantages in comparison with other numerical approaches: the hexagons can cover the [...]
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258.
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Equipments which work on principle of SJ should be found in aerospace industry, in automotive industry, in design of pumps and ejectors, for cooling and heating applicati [...]
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259.
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Jandora, R.
Problem of wheelset rolling on rails is commonly solved problem of engineering practice. Only ideal geometry of the wheelset is used in majority of studies to simulate it [...]
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260.
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The paper is focused on damage identification of dynamically loaded structures using methods of soft computing including artificial intelligence. The damage and variabili [...]
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261.
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Losík, V.
So far the static as well as dynamic aeroelastic tasks have been commonly solved by using linear models of fluid flow (p-k method, DLM) implemented e.g. in system MSC.Nas [...]
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262.
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Corrosion of reinforcing steel in concrete is one of the most influencing factors causing the degradation of reinforced concrete structures, conducting to concrete crack [...]
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263.
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In our country and in the other parts of the world exists number of masonry bridges. Their limit loading capacity is not known today. It is very important to make simulat [...]
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264.
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This article deals with three different factors which can influence the accuracy of the stress-strain data of elastomers measured with a biaxial testing rig. In terms of [...]
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265.
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Schuster, M.
This paper is a short overview of engineering approach to study rail vehicles aerodynamics and aerodynamic interaction between the trains and vicinity infrastructures. Sh [...]
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266.
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Fischer, C.
In many research fields the numerical problems demand extremely large computational power. As a consequence, researchers are constantly demanding new and more powerful co [...]
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267.
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The article describes design of vehicle track computation model and basic testing step of dynamic loading simulation of the track. The model is built for computational si [...]
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268.
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The paper analyzes the influence of initial imperfections on the load-carrying capacity of a slender strut, applying the ANSYS programme. The geometrical and material non [...]
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269.
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Approach for determination of the dynamic behavior of an elastic body submerged in fluid is presented in this contribution. Method is based on independent solution of the [...]
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270.
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271.
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The paper deals with the modeling and evaluation of stability conditions of the balanced rotating system with rigid discs supported on two anisotropic hydrodynamic bearin [...]
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272.
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Weirs belong to one of most common water structures. Various shapes of weirs are used at various conditions (e.g. emergency spillway, river weir, volumetric weir, etc.). [...]
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273.
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Design and production of industrial components and materials are nowadays a compromise between the required performances and the environmental impact. In the case of stru [...]
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310.
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Abstrakt: Two relatively independent areas of the gearing science have been distinctively outlined and considerably progressed in the last decade. The "Theory of gearing" [...]
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311.
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Burša, Jiří
Abstrakt: The paper compares various types of cohesion tests used in testing of adhesive connection of two materials. The computational modelling using FEM confirms that [...]
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312.
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Abstrakt: The paper deals with an open channel flow around model of a bridge when the water depth is higher than height of the bridge opening. Both the pressured flow thr [...]
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313.
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Abstrakt: The integral concepts for calculation of the generalized stress intensity factor and elastic T stress are presented. Both the integrals are based on a validity [...]
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314.
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Abstrakt: The contribution is focused on design of multi-legged robot leg as an autonomous system. Leg is composed of the leg mechanism, 3 leg drives, sensor and control [...]
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315.
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Abstrakt: Relations between crack opening displacement (CTOD) and other fracture mechanics parameters are of a great importance in fracture mechanics. The basic aim of t [...]
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316.
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Iwaszko, Jerzy
Abstrakt: The formulas for calculating the air flow rate in pneumatic components given in [1 , 2, 3 J were compared. Flow rating parameters, sonic conductance C and criti [...]
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317.
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Abstrakt: Two medium-term experiments with lateral pressure of flowing loose sand acting on a retaining wall were performed. The experiments showed some rather unexpected [...]
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318.
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Abstrakt: The paper presents a determining of the real power characteristics of non axial loaded pneumatic spring, hydraulic damper, spring rubber stop-members and two-po [...]
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319.
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Abstrakt: The excited one degree of freedom mechanical system with soft impacts, characterised by triangle hysteresis loop, is investigated using numerical simulation. Sm [...]
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320.
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Abstrakt: To determine heat transfer coefficients on a surface, an inverse task is used that requires either measured surface temperature history or, more often, measured [...]
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321.
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Říman, Pavel
Abstrakt: The primary mechanism for traffic noise reduction in existing highways is trough the use of noise barriers. The most of present used methods calculating noise b [...]
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322.
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Abstrakt: The paper deals with evaluation and analyzing of stresses in rubber cylindrical specimen which was twisted up to large deformation. Ogden hyperelastic nonlinear [...]
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323.
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Abstrakt: The presented paper deals with procedure created for quality and reliability evaluation of ductile fracture criteria group. The base for criteria verification i [...]
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324.
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Švancara, Pavel
Abstrakt: Correct determination of individual SEA parameters is necessary to build a reliable SEA model. Especially for subsystems with complex geometry and material may [...]
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325.
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Vítek, Karel
Abstrakt: Computational approach to structural or limit state assessment needs better knowledge of material qualities as one of the basic inputs. The methodology of deter [...]
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326.
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327.
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The paper shows possible modeling method of selected type of track. Selected type of track is a combat vehicle track. The paper describes creation of computational model [...]
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328.
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This article is focused on the computational solution of the material tests and their evaluations. Problem deals with torsion low-cycle fatigue tests of steel specimens. [...]
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329.
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Gajdošík, J.
This work is concerned with the description of the process of retrieving color images from real composite systems together with their transformation into binary images. T [...]
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330.
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Frequency modal and damping characteristics of an aeroelastic model designed for experiments in the wind tunnel are studied. Based on the experimental modal analysis the [...]
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331.
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The paper suggests a new approach of inverse analysis to obtain parameters of FEM computational model in order to obtain best agreement with experimental data. The propos [...]
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332.
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333.
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Using the finite element method for computational modelling thermal field at local annealing of casting after welding repair. Results time dependent thermal field using f [...]
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334.
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The paper describes one of possible design way of vehicle track computation model and basic steps of dynamic loading simulation of the vehicle track. The computational mo [...]
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335.
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Today the drive system is considered mainly as interactive system containing a range of subsystems with different physical nature: mechanical – the basic ones, electric [...]
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336.
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The paper deals with problems related to computational modelling of stress-strain states in vascular smooth muscle cells (SMCs). Problems of their structure, geometry, co [...]
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337.
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The mechanical testing and numerical modeling of the small punch test on miniature disks from heat resistant steel type ČSN 41 5313 were performed. Current intensive met [...]
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338.
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Byrtus, M.
The paper summarizes the method of nonlinear normal modes (NNMs) which has gained importance in nonlinear dynamics. Two main definitions of NNMs are discussed: Rosenberg' [...]
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339.
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Space-Filling Design Strategies create an essential part of a surrogate modeling. Two main objectives are usually placed on the resulting designs - orthogonality and spac [...]
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340.
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This paper is focused on evaluation and comparison of air-air heat exchangers of plate type used for retrieving the heat from the waste air. The first part of this paper [...]
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341.
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342.
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GEORGOPOULOS, Costas
The challenge of learning conceptual design at universities is exacerbated with the introduction of sustainability that is a relatively new and fast evolving subject. The [...]
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Peterka, František
Abstrakt: Dynamic properties of the mechanical system with one degree of freedom containing soft stop are investigated. Dynamical impact model respects the non-linearity [...]
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380.
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Abstrakt: Filament winding is an important manufacturing technology of composite. In general, filament wound composite elements can be taken as laminated composite, but d [...]
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381.
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Abstrakt: Having new, very powerful tool for stress analysis in form of modem simulation methods as FEM we are able to determine stress and strain state in the examind st [...]
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382.
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Malenovský, E.
This contribution deals with the overview of methods, which are used for analysis of dynamic behavior of rotor dynamics systems. The main of background research topics ar [...]
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383.
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The presented paper documents the concept and some major results of the heat transfer and stress analyses performed on a cylinder and a cylinder head of an aircraft pisto [...]
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384.
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Osteoarthrosis (OA) is a very serious hip joint disease, which is due to some of chemical, mechanical and genic reasons. One of OA frequent reasons is an excessive mechan [...]
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385.
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Novotný, J.
More than thirty-seven years ago the Permanent Commission for Standardization of Terminology in Mechanism and Machine Science (Commission A IFToMM) was founded. Since the [...]
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386.
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Šifner, O.
The overview article characterizes briefly the main types of equations of state, namely, the cubic, virial, Benedict Webb Rubin equation, its modifications and the multip [...]
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387.
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The differential equation of collapse of a high building is derived taking into account many influences. Computer simulation of the collapse of the WTC building is presen [...]
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Abstrakt: One of the main requests in engineering practice is to have an effective design procedure of a reinforced concrete continuous beam. This task is a multidimensio [...]
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420.
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Hlaváček, M.
The paper presents a critique of a squeeze-film lubrication model of the synovial joints with the fluid transport across the articular surface (J. S. Hou, V. C. Mow, W. M [...]
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421.
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Trávníček, Z.
Vortex shedding from a bluff body is a classical problem as well as an exciting challenge for fluid mechanics. Since the time of Prof. Strouhal at the end of the 19th cen [...]
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422.
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Tuhovčák, O.
This paper presents evolution of the reduction method for solution of natural frequencies of mechanical systems. The purpose of the reduction method is to reduce the numb [...]
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423.
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Herle, I.
Geological materials (soils, rocks) differ from traditional engineering materials (steel, concrete) mainly due to their discontinuous structure and memory of previous def [...]
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424.
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This paper deals with the design of inverse kinematic model in software MATLAB-SIMMECHANICS. Presented approach is applied to particular robotic mechanism, the panthograp [...]
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425.
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426.
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The energy conjugate measures of stress and strain enter any constitutive relation for the material behaviour description. There are many strain measures in common use, s [...]
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427.
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The main purpose of this paper is to introduce mechanical properties of Engineered Cementitious Composites (ECC) and to describe the tensile testing method used at the Fa [...]
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428.
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The masonry constructions are widely used for a long time. Nowadays, new masonry structures are on demand owing to its variety and appealing mechanical properties. Both b [...]
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429.
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The article gives the general view to the detection of defects (rather the cracks) of mechanical structures through initializing and receiving so-called Rayleigh waves, w [...]
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430.
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BALÁZS, György L.
Understanding and a reasonable approach to sustainability is one of the most important challenges of the twentyfirst century. Everybody is involved and engineers play a s [...]
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The purpose of this contribution is to introduce a comparison of two Finite Element-based methods for computing the mechanical response to (thermo)mechanical loading of c [...]
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447.
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The problems of analysis, modelling and simulation of drive systems are solved on Institute of Mechanics of Solids for over 20 years. During that time period not only the [...]
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448.
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The paper deals with optimization process finding such geometrical form of acoustical cavities of the human supraglottal spaces which leads to excitation of predefined ac [...]
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This paper belongs to biomechanics of a hip joint section. It is engaged in problems with industrial tolerances for dimensions as one of the possible total hip prosthesis [...]
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464.
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Dehiscence of median sternotomy wounds due to excessive forces caused by high pressure within the chest during coughing can lead to breaking closures sternotomy. This rem [...]
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Contemporarily, one assumes that the main cause of the definitive unstable fixation of endoprosthesis in the bone structure is caused by the immunobiological reaction of [...]
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474.
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Despite long evolution dating long time back, fracture processes still remain a big challenge for engineers and researchers all over the world. Lately, together with “t [...]
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475.
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The paper presents the description of behavior of selected soils subjected to relatively high hydraulic gradients based on experimental results. The influences of all maj [...]
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480.
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Experimental line for measuring velocity of the pulse wave in vessels (aorta) using invasive or noninvasive methods is designed in the Laboratory of human biomechanics, C [...]
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481.
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482.
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483.
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Čulík, Jan
Abstrakt: The topic of this paper is a computer simulation of treatment of children spine deformities with braces (orthosis). Orthopaedists in the Czech Republic use corr [...]
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484.
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This work is founded on the co-operation of Czech Technical University in Prague, Faculty of Mechanical Engineering, Laboratory of Biomechanics of Man and the First Facul [...]
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485.
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486.
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A new proposition of a simulations methodology applicable to grain grinding is discussed in this article. This methodology represents a unified approach in which the esse [...]
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487.
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The paper deals with the development of biomechanical model in order to simulate a man walking over the elastic bridge and the interaction of both objects. The current ci [...]
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488.
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Multi-functioning and multi-optimization in the biomechanics of laminated wood vs carbon fiber composites are treated in present paper. Multi-functioning is one of the ke [...]
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489.
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Frydrýšek, K.
This paper focuses on the probabilistic numerical solution of the problems in mining and biomechanics. Theory and applications of the Simulation-Based Reliability Assessm [...]
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490.
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Čulík, J.
The top of article is mechanic model of hand power grip. The algorithm of calculation of tendon and finger joint forces and finger stress state is presented. The results [...]
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491.
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This paper describes our approach to control of the two types of experimental devices for biomechanics. First type of experimental device is the device for examining the [...]
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492.
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