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Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 1 až 20 z 67
Turjanicová, Jana , Rohan, Eduard
Numerical simulation of quasi-static model of ionic transport through deformable porous media

The paper deals with the computational model of quasi-static transport of 2-component electrolyte solution transport trough deformable porous medium respecting material microstructure. The multiscale approach is used to derive effective tensors describing macroscopic homogenized body. Numerical simulatio...

Smolík, Luboš
Post-processing techniques for response of non-linear systems

Challenges in modern engineering require implementation of more and more complex computational models. The computational models are often non-linear and even a slight modification of a design parameter can cause qualitative changes in a predicted response. Several visualisation methods which impr...

Rendl, Jan , Zilli, Leonardo , Sedláček, František
Investigation of driving properties for formula Student

This paper deals with the investigation of driving properties such as rolling resistance of the chassis during the cornering and the effect of anti-roll bars on this phenomenon. This variable has a significant influence on the change of loading forces at tire contact patches, ...

Polach, Pavel , Hajžman, Michal , Bulín, Radek
Selected problems solved in Pilsen using multibody dynamics

The paper informs on some problems solved during approximately past twenty years in Pilsen using multibody simulations. Naturally, the list of activities is not comprehensive, it concerns activities of the authors in Výzkumný a zkušební ústav Plzeň s.r.o. and in the Department of M...

Krejčová, Milada , Holeček, Miroslav , Chełminiak, Przemysław
The measurement of single myosin head in Fokker-Planck framework and information gain

Muscles on a molecular level are created by actin and myosin filaments. In this scale, it is necessary to take into an account thermal fluctuations – describe in terms of Brownian motion. Due to the motion, it is impossible to predict exact position of a single myosi...

Kocáb, Jiří , Kottner, Radek , Heczko, Jan , Krystek, Jan
Shear and torsion tests of viscoelastic materials

The main scope of the paper are shear and torsion tests of cork-composite Amorim ACM87. The material is a particle composite with viscoelastic properties. In order to investigate the behaviour of viscoelastic materials, performance of specific mechanical experiments is important. Some materi...

Hajžman, Michal
Dynamics of rotating systems with rolling element bearings

This paper deals with a suitable approach to the computational modelling of rolling element bearings in the framework of rotating systems dynamics. Various alternative approaches are briefly summarized and a chosen moderately complex approach is described in more detail. The presented bearin...

Byrtus, Miroslav
Basic properties of a bistable mechanical oscillator

The contribution deals with analysis of dynamical properties of 1 DOF bistable mechanical oscillators. These systems appear in many technical applications which advantageously use their both static and dynamic properties. First, a mechanical mode based on von Mises truss is introduced and&#x...

Bulín, Radek
Dynamic analysis on nonlinear flexible multibody systems using newmark integration scheme

A mathematical description of multibody mechanical systems containing flexible bodies often leads to a nonlinear set of differential–algebraic equations of motion which can be solved using various numerical integration schemes. In this paper, the possibilities of the commonly known Newmark integr...

Brašnová, Jaroslava , Lukeš, Vladimír , Rohan, Eduard
Identification of multi-compartment darcy flow model material parameters

This papper deals with modelling of blood perfusion in the liver tissue and focuses on the identification of the model parameters. For a description of perfusion a multi-compartment Darcy model is used. This model describes a hierarchical flow in the tree structure of the live...

Bońkowski, Tomasz , Šoltés, Lukáš , Hynčík, Luděk , Kottner, Radek , Kochová, Petra
Leather for motorcyclist garments: Multi-test based material model fitting in terms of Ogden parameters

This paper is focused on experimental testing and modeling of genuine leather used for a motorcycle personal protective equipment. Simulations of powered two wheelers (PTW) accidents are usually performed using human body models (HBM) for the injury assessment equipped only with ...

Lašová, Zuzana , Zemčík, Robert
Determination of group velocity of propagation of Lamb waves in aluminium plate using piezoelectric transducers

A prior knowledge of group velocities of Lamb wave modes is a key for analysis of time signals in guidedwave based structural health monitoring. The identification of multiple wave modes may be complicated due to dependency of group velocity on frequency (dispersion). These&...

Špička, Jan , Maňas, Jaroslav , Hynčík, Luděk
Frontal impact response of a virtual low percentile six years old human thorax developed by automatic down-scaling

Traffic accidents cause one of the highest numbers of severe injuries in thewhole population spectrum. The numbers of deaths and seriously injured citizens prove that traffic accidents and their consequences are still a serious problem to be solved. The paper contributes to ...

Zeman, Vladimír , Hlaváč, Zdeněk
Estimation of the nuclear fuel assembly eigenfrequencies in the probability sense

Zajíček, Martin , Dupal, Jan
Analytic solution of simplified Cardan’s shaft model

Turjanicová, Jana , Rohan, Eduard , Naili, Salah
Three-scale model of single bone osteon modelled as double-porous fluid saturated body: Study of influence of micro/meso-structure

Hlaváč, Zdeněk , Zeman, Vladimír
Seismic response of nuclear fuel assembly

Zeman, Vladimír , Hlaváč, Zdeněk
Prediction of the nuclear fuel rod abrasion

Sadílek, Petr , Zemčík, Robert , Bartošek, Jan , Mandys, Tomáš
Active structural health monitoring of composite plates and sandwiches

Kottner, Radek , Hynek, Richard , Kroupa, Tomáš
Identification of parameters of cohesive elements for modeling of adhesively bonded joints of epoxy composites

Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 1 až 20 z 67