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Fischer, Cyril
Seismic random processes are characterized by high non-stationarity and, in most cases, by a marked variability of frequency contents. The widely used hypothesis modellin [...]
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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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In case of two-parameter linear fracture mechanics a study of inhomogeneity influence on behaviour of short cracks is performed. The values of stress intensity factor (KI [...]
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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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Selected approximation curves of mechanical-fracture parameter values − modulus of elasticity, effective fracture toughness, specific fracture energy, compressive cube [...]
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Smart construction systems have been used for centuries in many places around the world, masonry is widely encountered in numerous heritage structures to be restored. For [...]
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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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8.
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Cyclic strain of tyres leads to hysteresis loses. Long-term and repeated deformation damages tenacity of composite structure of tyre, which causes destruction of tyre. Ra [...]
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9.
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Beran, P.
Deterioration of masonry is caused by inordinate loading and by climatic actions. Climatic cyclic thermal stress in structure is incurred by unequal temperature gradient [...]
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10.
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Many structures encountered in civil, mechanical, naval or aerospace engineering can show properties of auto-parametric systems. The general mathematical structure of the [...]
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Engineering structures subjected to dynamic loading are often equipped with special devices proposed to suppress adverse motion. However, these installations are often d [...]
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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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This article deals with the stress analysis of the Burch-Schneider (BS) cage as applied to a hip joint. Due to the complex geometry of the solved problem, material proper [...]
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Structures operating at high temperatures are damaged by creep processes. If the structure is also subjected to cyclic loading, the fatigue damage is usually significant. [...]
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Paper is focused on comprehensive solution of probabilistic integrity assessment of pressure vessels. Engineering criteria was fully respected during solution, however fr [...]
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In this paper the latest advances in fully coupled thermal-structural analysis of a deformable body is presented using the finite element method. The analysis is based on [...]
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17.
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Changes of mechanical properties, namely of modulus of elasticity, often play a role of damage accumulation indicators in the framework of fatigue behaviour of composite [...]
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18.
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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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19.
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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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20.
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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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The impact effects in gear mesh represent specific phenomena in the dynamic investigation of highspeed light transmission systems with kinematic couplings. They are cause [...]
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Fatigue is a process of permanent progressive changes in the structure of a material exposed to cyclic loading. This paper describes the strain development in concrete st [...]
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