1.
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Velichová, D.
Intrinsic geometric properties of a solid are presented as derived from the solid analytic representation in the form of a point function in three real variables. The sol [...]
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2.
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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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3.
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Mík, V.
An analytical-numerical model of the velocity and temperature field was created, whose parameters are expressed as functions of the thickness of the hydrodynamic and ther [...]
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4.
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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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5.
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Sobotka, J.
The classical mathematical model of beam-columns contains derivatives of functions for the bending moment, the shear force, the axial force, the slope, and the deflection [...]
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6.
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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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7.
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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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8.
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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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9.
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A new method of blade design based on the previously determined meridional velocity field is introduced in this contribution. The aim of calculation is the spatial shape [...]
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10.
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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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11.
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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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12.
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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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13.
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Are given the results of the calculation study of the streaming in the stage with different admission rates and in the chamber between grades (stages) with different admi [...]
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14.
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This paper deals with description of heat and moisture transfer in deforming porous media. The mathematical model consists of balance equations of mass, energy and linear [...]
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15.
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The paper describes results of experiments with rotating spherical particles moving quasi-steadily in the calm water. The motion of the particles was recorded by a digita [...]
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16.
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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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17.
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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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18.
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The pendulum damper modelled as a two degree of freedom strongly non-linear auto-parametric system is investigated using an approximate differential system. Uni-direction [...]
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19.
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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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20.
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It is well established that most construction materials behave differently under static and dynamic loading. The stress-rate sensitivity of concrete, steel and rock has b [...]
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21.
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The paper deals with a static and fatigue strength criterion based on the theory of the reference normal and shear stresses – see Fuxa, J. (2003) and Fuxa, J. (2004). T [...]
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22.
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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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23.
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This paper deals with the methodology of the modelling of rotating shafts with flexible disks. Rotating shafts are modelled as one dimensional continuum on the basis of [...]
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24.
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PETCHERDCHOO, Aruz
This paper presents an approach to assess environmental impacts in terms of CO2 resulting from applying combined repairs in order to extend service life of concrete struc [...]
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25.
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The paper presents experimental determination of mechanical properties of different types of animal hairs. Mortars reinforced by thin fibres have promising properties for [...]
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26.
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Semi-solid or mushy state processing permits a material to partially solidify before shape making operations. The understanding of material behaviour in the mushy state i [...]
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27.
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To better understand ultrasonic wave propagation in thin-wall structures (e.g. glass or composite plates) and to evaluate physical properties of the structure material, n [...]
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28.
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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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29.
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As CFD (computational fluid dynamics) softwares has been under a great development in the past ten years it seems to be possible to use them for civil engineering applica [...]
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30.
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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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31.
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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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32.
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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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33.
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34.
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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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35.
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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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36.
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The beam with an axial force is coupled by an elastic layer of Winkler type with the pretensiled string. It is subjected to a row of moving forces. The theoretical model [...]
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37.
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The paper is devoted to the analytical and experimental stress analysis in aluminum tube of car air – conditioner at static and dynamic loading at test equipment. After [...]
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38.
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The paper presents an analysis of vibration of electromechanics system consisting of a 1DOF vibrating mechanical subsystem connected by means of spring and crank mechanis [...]
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39.
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Axisymmetric circular plates subjected to stationary and transient dynamic loads are analyzed in the presented paper. Effect of viscous damping is also considered. Dynami [...]
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40.
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The vibration amplitude of rotors excited by imbalance can be significantly reduced if damping devices are inserted between the rotor and its stationary part. To achieve [...]
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41.
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42.
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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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43.
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Description of transport processes in concrete structures is important topic in durability and reliability assessment of nuclear power plants. Mechanical behaviour, trans [...]
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44.
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Analysis of laminated plates under static and transient dynamic loading is presented by the meshless local Petrov-Galerkin (MLPG) method. ReissnerMindlin theory is used t [...]
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45.
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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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46.
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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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47.
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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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48.
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Prcúch, I.
This paper deals with numerical solution of second order elliptic partial differential equations defined on surfaces. The finite element method is employed. Surfaces are [...]
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49.
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The tilting pad bearings are very often applied in high speed rotating machines. The exact solution of bearing characteristics, including the motion of tilting pads, is v [...]
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50.
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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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51.
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The paper describes the mathematical model of the thermodynamic process connected with the replacement of two different gaseous contents in a storage pressure vessel. The [...]
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52.
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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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53.
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The study presented herein is a preliminary part of an on-going research on post-crack performance of steel fiber reinforced concrete (SFRC) column under quasi-static lat [...]
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54.
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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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55.
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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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56.
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Wieczorek, B.
The paper discusses the problem of determination of displacement coupled with the flow of mass and heat consideration, which is analysed in the elastic solid with micropo [...]
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