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This contribution deals with deriving a fourth-order differential equation of the beams deflection with longitudinal variation of material properties. The linear beam the [...]
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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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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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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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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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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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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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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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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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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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11.
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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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12.
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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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The paper deals with loosening and migration of acetabular cup into the pelvis that belongs to the most serious therapeutic complications arising sometimes several months [...]
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14.
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Malášek, J.
State of stress identification consists of these parts – of miniaturised pressure sensors in matrix arrangement and of a special strain-gauge bridge – this is a compl [...]
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15.
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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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16.
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Fiala, Z.
The paper discusses the logarithmic strain in one dimension (1D) from the geometrical point of view to highlight the nature of problems when generalizing it to more dimen [...]
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17.
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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: 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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19.
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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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20.
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This article describes performing of the stress - strain analysis of the physiological hip joint with the effect of uncertain input material characteristics which are ent [...]
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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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22.
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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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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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A linear four degree-of-freedom (DOF) lumped model with 15 parameters of the human body sitting on a hard seat without a back-rest is developed in the sagittal plane (x-z [...]
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25.
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In restoration or repair of old buildings the correct estimation of the stress-strain-relationship of the existing structure is an important task. Masonry stiffness is cr [...]
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Authors considered the possibility of FEA application realized in software ANSYS for durability estimation of parts of wedge gate valve. Use of ANSYS allows to carry out [...]
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27.
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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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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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30.
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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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31.
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Hlaváček, M.
Articular cartilage is often modeled as a biphasic mixture (a solid porous matrix swollen by a fluid that may move slowly through the matrix pores). The anisotropic matri [...]
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32.
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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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33.
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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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34.
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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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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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