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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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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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Křiváková, Jarmila
Abstrakt: Článek je zaměřen na počítačové modelování stability válcových skořepin řešených dynamickou nelineární analýzou programovým souborem COSMOS/ [...]
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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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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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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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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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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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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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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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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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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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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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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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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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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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Jordan, B.
For the first 150 years of European settlement in Australia, masonry buildings were constructed largely using the techniques brought from Europe (particularly Great Brita [...]
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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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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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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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33.
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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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34.
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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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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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36.
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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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37.
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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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38.
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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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39.
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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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40.
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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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41.
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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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42.
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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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43.
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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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44.
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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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45.
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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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46.
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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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47.
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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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48.
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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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49.
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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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50.
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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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51.
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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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52.
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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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53.
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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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54.
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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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56.
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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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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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91.
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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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92.
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93.
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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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94.
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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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95.
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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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96.
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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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97.
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American standard ASTM E 837-01 covers the procedure for determining residual stresses by the hole-drilling strain gauge method. This test method is applicable in those c [...]
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98.
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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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99.
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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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100.
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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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101.
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The contribution discusses possible approach for the formulation of fracture criteria for the general stress concentrators – especially a surface crack terminating at t [...]
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102.
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Velopharyngeal insufficiency is modeled in frequency domain by the transfer matrix method in connection with conical acoustical elements. The vocal tract is considered as [...]
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103.
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The cable–stayed bridges are usually built for long span and are subjected to dead and moving loads, seismic motions of supports to wind forces, temperature and many ot [...]
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104.
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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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105.
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The FEM study presented in this paper deals with a continuum mechanics approach to determination of the stress-strain behaviour in a newly designed shape of railroad whee [...]
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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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147.
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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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148.
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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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149.
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This paper deals with implementation stress-strain analysis of the lumbar segment of the human vertebral. Individual vertebral elements are modelled base on the 4. and th [...]
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150.
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This paper deals with investigation of contact pressure development in contact area between titanium cervical implant (Tibon) and cervical vertebrae. Material of bone tis [...]
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151.
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Krejčí, P.
This paper presents design of intelligent sensor for robotic leg of quadruped experimental robot. Information about contact load as well as direction and magnitude of con [...]
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152.
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A 3D elastic-plastic FEM model with small strains was used for simulation of the deformation mechanics at the curved front of the planar fatigue crack growing in the thic [...]
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153.
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In the paper, two methods for modelling machine tool drives with ball screws are shown and compared. There are common equation formulation and the multi-pole modelling. T [...]
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154.
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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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155.
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The aim of this paper is to investigate the beginnings of crack propagation from sharp V-notches. Stress distribution around the tip of a V-notch is described on the basi [...]
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156.
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This paper presents the results of the introductory part of a proposed project aimed at identifying long-term time-dependent mechanical characteristics of viscoelastic ma [...]
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157.
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This paper is focused on fracture energy which belongs to the basic fracture-mechanical characteristics of quasi-brittle materials. This parameter is explored here from t [...]
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158.
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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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159.
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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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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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193.
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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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194.
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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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195.
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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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196.
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Štyl, P.
The paper describes development and design of slitting shear of wide plate mill. For good understanding of shear behavior, distribution of forces and torques, mathematica [...]
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197.
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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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198.
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Švancara, P.
Statistical Energy Analysis (SEA) is suitable method for analysis of sound and vibration in high-frequency range, but to build a reliable SEA model is necessary correctly [...]
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199.
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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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200.
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This article deal with problems of cracks in bodies with bimaterial interface. The stress and displacement near the front of crack located at the interface between two or [...]
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201.
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In our contribution we will show how the Trefftz Radial Basis Functions (TRBF), i.e. RBF satisfying the governing equations can be used to increase the efficiency of mode [...]
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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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224.
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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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225.
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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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226.
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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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227.
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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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228.
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This article shows: 1. Some studies of a low-cycle material fatigue caused by cyclical contact between two spheres with the same diameters. The spheres are made up from m [...]
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229.
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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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230.
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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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231.
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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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232.
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The article is a contribution to numerical simulations of pitting arise phenomena on the gear teeth. The basic assumption of the presented simulations was that pitting (p [...]
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233.
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The Source-filter theory does not take into account many important circumstances for generating of vowels, e.g. the effects of source on filter. One of these effects is i [...]
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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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250.
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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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251.
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Rojíček, J.
This paper describes estimation of random effects for systems of linear equations. It deals especially with presentation of the analytical method. The analytical method i [...]
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252.
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Novotný, L.
The paper deals with kinematics of the ball screw mechanism as a single point that is moved on helical sweep. The second part studies the motion of the ball as a deflecto [...]
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253.
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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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254.
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This paper presents the consideration on the change judgement of J integral and Q parameter as the base parameters of two-parameter elastic-plastic fracture mechanics. An [...]
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255.
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This paper describes the nonlinear analysis of the reinforced concrete wall of the bubbler tower (BT) due to extreme pressure and temperature loading. The behaviour of th [...]
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256.
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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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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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270.
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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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271.
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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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272.
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The Leonov model, where the Eyring flow model is used to represent the plastic shear rate of the deformation of a material, appears to be a proper choice for the descript [...]
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273.
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The paper deals with a possibility of a use of the final elements method (FEM) for tube bending simulations. The created FEM models of the bending assembly and a tube use [...]
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274.
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Kadlec, M.
Polymer composite panels are widely used in aeronautic and aerospace structures due to their high strength vs. weight ratio. The objective of this study is to determine m [...]
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275.
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This paper describes the static and dynamic analyses used for welded steel chimneys expertise according to European standard EN 1991 and EN 1993. More details are concern [...]
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276.
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277.
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278.
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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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279.
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The paper is focused on statistical inverse analysis of material model parameters, where statistical parameters of input parameters have to be identified based on experim [...]
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280.
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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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281.
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Pečínka, L.
Analysis of the dynamic response of the beam under moving load and axial periodic force and with constant damping result in well known solution of Mathieu equation. In fa [...]
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282.
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Moving load is such a load, which vary both in time and space. As the result the stress state of piping increase and frequency spectrum decrease. If the flow velocity is [...]
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283.
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Hole drilling method is a total numerical simulation of tension or bending loading of two types of beam specimens. The FEM model of the special drilling strain gauge rose [...]
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284.
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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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285.
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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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286.
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There are mechatronic applications, where a slender beam or plate is subjected to static magnetic force generated by an electromagnetic actuator consisting of a solenoid [...]
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287.
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Dynamic fragmentation (disintegration of continuous body into smaller pieces under dynamic loading) is a physical phenomenon observed in many fields of engineering and sc [...]
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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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292.
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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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293.
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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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294.
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295.
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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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296.
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297.
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The present contribution aims at the application of homogenization approaches to heterogeneous members subject to bending. The proposed approach is discussed with the emp [...]
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298.
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A finite-element model has been developed to study buckling and postbuckling behaviour of a square plate made of fibre-metal laminate with one or two delaminations. A s [...]
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299.
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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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300.
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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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301.
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Potěšil, A.
Efficient manufacture of artificial leathers of extensive and complicated shapes in the company Magna Exteriors & Interiors (Bohemia), s.r.o., used for example in san [...]
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302.
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Sandwich construction elements, i.e. elements formed by two skins and core, excel in high ratio of bending stiffness to weight of construction. This complex is designed i [...]
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303.
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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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304.
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Sobotka, J.
The mathematical model of a thin cylindrical shell according to Timoshenko and Love bending theory contains derivatives of generalized internal forces and deformation com [...]
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305.
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The presented paper deals with an analysis of steel structure dynamic properties. The construction, which consists of stationary and movable parts, is expected to be unde [...]
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306.
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This contribution deals with the modeling of shells. One of the possible methods how to numerically model a shell is to approximate its curved surface by several plane ar [...]
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307.
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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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308.
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A theoretically correct algorithm for nonlinear constitutive matrix of shell is introduced. The derivation starts with general formulas defining the constitutive matrices [...]
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309.
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310.
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The paper is focused on analysis of changes of eigenfrequencies due to local damage in beam buckling problem. The aim is determination of suitable initial parameters for [...]
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311.
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313.
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The loss of elastic stability caused by both lateral and torsional deformations of bent beams is called lateral buckling. The most typical cases of lateral buckling of be [...]
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314.
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