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Hidalgo, B. Del Espino
Nowadays, historic city centres play two important roles in our cities: On the one hand, as a source of knowledge about “sustainable city” design; on the other hand, [...]
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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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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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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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Wind excited vibrations of slender structures such as towers, masts or certain types of bridges can be reduced using passive or active vibration absorbers. If there is av [...]
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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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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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Current active vibration suppression systems usually consist of piezoelectric actuators bonded to the surface or embedded within the structure. In most of these structure [...]
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Vertical dynamic properties of the ŠKODA 21 Tr low-floor trolleybus were investigated on an artificial test track when driving with a real vehicle and when simulating dr [...]
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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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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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The paper gives an introduction in the theory of laminar flow instability solution using the Orr-Sommerfeld equation. There are summarized assumptions for derivation of [...]
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This paper presents a water hammer experiment performed on an physical model of blood vessel. Physical model of blood vessel was manufactured from latex tubes textile rub [...]
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The paper deals with two approaches to the creation of hydrogen fuel bus multibody models intended for the investigation of the bus dynamic response. The basic dynamic mo [...]
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For high durability and strength, decreasing of the water to binder ratio of cement is needed by using of fly ash, blast furnace slag as mineral admixture. And it is poin [...]
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19.
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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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20.
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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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21.
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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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22.
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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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Soft tissues are pseudoelastic materials, modelled mostly as hyperelastic. In this theory, the non-linear relations between stress and strain components are described by [...]
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The paper deals with the perfusion in hierarchically arranged double porous media constituted by transversely periodic layers. In each layer the reference periodic cell i [...]
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25.
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Práce popisuje některé nové numerické metody řešení stochastických diferenciálních rovnic s aplikací v seismickém inženýrství.
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26.
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In this contribution, the problem of numerical homogenization of plates perforated by a large number of small openings is discussed. When the characteristic size of the o [...]
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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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This paper deals with a damage-plasticity model combining Mises plasticity with isotropic damage. Due to softening induced by damage growth, the governing differential eq [...]
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This paper compares two approaches to the analysis of deflections of reinforced concrete beam structures with consideration of creep. The first is based on simplified met [...]
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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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33.
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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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We present the orthotropic hyperelastic material model for numerical simulation of the loading of the cylindrical membrane. The coefficients of strain energy function of [...]
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35.
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Kriváček, J.
The plates of thin-walled steel structures to be in nature imperfect may exhibit out-of-plane displacements (deflections) under in-plane compressive load. Such type of st [...]
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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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38.
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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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An analytical solution is derived from an approximation of the 2D thin plate model. At first approach the model is described by Kirchhoff and Rayleigh model, then by Timo [...]
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40.
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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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41.
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For rheological description of branched LDPE melts (Escorene LD165BW1 a Bralen RB0323) the following differential constitutive equations were used: eXtended Pom-Pom, Phan [...]
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42.
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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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43.
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This paper deals with analytical formulation of dispersion curves for stress waves in a free (001)-cut cubic and orthotropic plate. The direction of wave propagation is a [...]
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44.
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Kubik, J.
One gave equations of the viscoelasticity in which gradients of stress and strain tensors were taken into account besides the classical stress and strain fields. Finally, [...]
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45.
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Formulation of the assumptions of the solved problem. Design of the rheological model for viscoelastc plate. Constitutive equations of the viscoelastic boundary value pro [...]
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