1.
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In the past decade, the economy of China has been increasing at a remarkable speed, which causes the rapid increase of automobile industry. Researches in past years demon [...]
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2.
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The objective of this paper is to study a plastic consistency concrete dosage with a lightweight aggregate of EVA (ethylene vinyl acetate) obtained from footwear-industry [...]
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3.
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The paper is studying one type of folding surfaces way mathematical modeling. Presented surfaces implying their possible use: in practice as surfaces of roofs satisfying [...]
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4.
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Aging of lime putty improves the quality of hydrated lime due to changes in portlandite microstructure as regards the morphology and particle size. Improvements in mortar [...]
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5.
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Zacharopoulou, G.
In conservation practice it is usually observed that the capability of upgrading the characteristics of a lime through maturation appears to be limited due to a self-dryi [...]
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6.
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Pilsniak, J.
The main aim of the paper is to estimate the process of degradation in heterogeneous materials subjected to variable load. This inhomogeneous materials can be viewed as a [...]
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7.
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The proposed paper deals with the seismic vulnerability assessment of the old historic centre of Scanno, in the Italian Abruzzi region. A predictive model, calibrated on [...]
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8.
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Road’s pavement construction resistance is the ability of failure-free working and taking the thrust of traffic load during the specific period of time. The profiles of [...]
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9.
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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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10.
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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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The effects of moisture dependency of water vapour permeability and non-linear sorption curve on accuracy of EMPD model were analysed. These phenomena can be of importanc [...]
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12.
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This paper aims at improving the quality of lime mortar masonry by understanding the mechanics of mortars and masonry and their interactions. It investigates how the mort [...]
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13.
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Non-heterogenic masonry modeling requires evaluation of the constitutive model being used. Such an evaluation consist of: - analysis of the fundamental problems, - numeri [...]
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14.
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The determination of adequate parameters for heat and moisture transport simulations of building materials is often regarded as difficult and time-consuming. Considering [...]
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15.
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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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16.
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At the Institute of Construction and Architecture SAS (ICASA) the research of the cement composites containing plastic crushed material – composite with plastic aggrega [...]
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17.
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The endeavour to use the changes of dynamic characteristics for the determination of damage or other imperfections of structures is not new. The rudimentary application o [...]
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18.
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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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19.
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This paper is aimed at the problem of limit load carrying capacity of pipeline damaged by surface corrosion defects. Burst (limit) pressure is predicted using methodology [...]
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20.
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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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21.
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Failure of a high ductile specimen usually precedes a decrease of the loading force (material softening) under the condition of displacement control in the monotonic load [...]
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22.
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Puklický, L.
Steel-concrete composite columns are extensively used in modern buildings. Steel being of high tensile strength presents a high quality building material, concrete on the [...]
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23.
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The diffusion of the fluid particles is one of the important fundamental problems of the research of transitional and turbulent flows. This phenomena is of great importan [...]
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24.
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The paper deals with approximation of spatial distribution of mean downstream velocity of sub-critical turbulent flow in an open rectangular channel with rough bed. New f [...]
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25.
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American standard ASTM E 837-01 covers the procedure for determining residual stresses by the hole-drilling strain gauge method. This test method is applicable in those c [...]
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26.
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It is well-known that different slaked limes (calcium hydroxide) influence the plastic properties of fresh mortar differently. There is not sufficient scientific literatu [...]
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27.
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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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28.
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Abstrakt: Finite element analysis was attempted to modeling microcracks and overall response of solid composites (two-dimensional problem) under compression. As a mathema [...]
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29.
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Abstrakt: Relations between crack opening displacement (CTOD) and other fracture mechanics parameters are of a great importance in fracture mechanics. The basic aim of t [...]
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30.
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In this paper we discuss the use of adaptive methodology in non-linear analysis based on Finite Element Method. It is focused on static problems of elastoplasticity. Beca [...]
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31.
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32.
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Pečínka, L.
Pipe break probabilities calculated in nuclear industry for purposes of PSA studies are based either on the in sights from the operating experience or on the fracture mec [...]
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33.
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Impedance and wall absorption are important characteristics of acoustical systems. Unlike the electrical case, no convenient commercial system is available for acoustical [...]
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34.
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This work reports on results of the radiographic observation of 3D displacement field and consequent damage evolution during loading of specimens with recognizable inner [...]
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35.
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Stress and strain distribution underneath various types of indentors can be provided by the finite element method. In the presented paper, the indentation of isotropic al [...]
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36.
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Paper focuses on possibilities of transient processes modelling at pressure pipe system of a non-nuclear part of a certain power plant and summarizes the results of relat [...]
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37.
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The new seismic standards permit the analysis of structure in the elastic-plastic region of its material behaviour. The plastic reserves of structural elements may be imp [...]
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38.
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Pohl, K.
The objective of this paper describe a non-linear analysis of reinforced concrete frame structures and assignment its response to seismic load. We observe the change of n [...]
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39.
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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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40.
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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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41.
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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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42.
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Antoš, P.
The paper deals with the fluid temperature effect on the hot-wire anemometer output signal. There is described a correction method which compensate for fluid temperature [...]
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43.
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This paper presents the consideration on the change judgement of J integral and Q parameter as the base parameters of two-parameter elastic-plastic fracture mechanics. An [...]
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44.
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This contribution presents a simple numerical model for crack growth under mode-I compressive fatigue loading. Residual tensile stress at the crack tip, which is responsi [...]
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45.
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The paper is devoted to fatigue crack propagation in layered materials. The influence of plasticity induced crack closure on threshold values for fatigue crack propagatio [...]
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46.
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This article is focused on the computational solution of the material tests and their evaluations. Problem deals with torsion low-cycle fatigue tests of steel specimens. [...]
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47.
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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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48.
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In mining regions a great hazard for masonry and concrete residential buildings are semiseismic earth tremors, which potential energy could achieved 1010 [J]. Only non-cr [...]
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49.
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To the interpretation of crack growth, it is substantial to estimate the plastic region geometry in front of a crack. Performed here is a study for predicting crack growt [...]
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50.
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Seven ductile fracture criteria are applied to simulation of cold forward extrusion and their performance in prediction of chevron cracks is presented. The criteria are i [...]
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51.
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Abstrakt: The long-term behaviour of a crystalline rock has been modelled as a viscoplastic problem. The Perzyna type of material models, which is based on socalled overs [...]
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52.
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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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53.
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OFE copper (Oxygen Free Electronic copper) is extensively used in military engineering for the design of shape charge warheads. Use is made of its excellent deformation c [...]
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54.
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This contribution deals with proposal of the method for strain gauge measurements of rubber patterns under dynamic loading. As deform elements the silicon strain gauges w [...]
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55.
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The objective of this paper is present the development and application of FEM software (ICS FEM) for effective numerical simulation of load-bearing capacity of structures [...]
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56.
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57.
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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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58.
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Šklíba, J.
It is analyzed a gyroscopic stabilization of the vibroisolation system of an ambulance couch. There is deduced the extended system with seven degrees of freedom and its c [...]
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59.
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The ring-core method is the semi-destructive experimental method. Correctly determined and properly used calibration or relaxation factors for the residual stress measure [...]
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60.
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61.
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The article deals with measurement of flow parameters in defined 90° bend profiles of square constant cross section and it´s linking upstream and downstream straight ax [...]
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62.
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Water-gypsum ratio is one factor of material parameters, which has a significant influence on the behavior of materials at the macro level. The article presents the depen [...]
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63.
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Using the finite element method for computational modelling thermal field at local annealing of casting after welding repair. Results time dependent thermal field using f [...]
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64.
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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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65.
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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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66.
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The paper describes the way how the method of redundant measurements used for calibration of redundant parallel kinematical structures within the machine tool operation i [...]
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67.
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This paper follows up an article Analysis of Calibration Coefficients of Incremental Strain Method Used for Residual Stress Measurement by RingCore Method (Civín, 2010), [...]
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68.
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Chen model of plasticity was originally derived for solid materials with different strengths in compression and tension, such as concrete or some types of soil. In this [...]
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69.
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Technique and results of measurement of flow parameters in the channel model of rectangular cross-section with a negative bottom step are presented. The flow was alternat [...]
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70.
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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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71.
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The concept of $J_R$ curves is well established in structure assessment. However, the shape of $J_R$ curves is influenced by constraint e ects significantly. Such phenome [...]
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72.
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The presented paper documents the concept and some major results of the heat transfer and stress analyses performed on a cylinder and a cylinder head of an aircraft pisto [...]
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73.
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The calibration of the potential method DC/PD is calculated for the side-grooved CT-sample with point current inputs. The grooves are modelled by a line transition resist [...]
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74.
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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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75.
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The method of simultaneous flow velocity and concentration measurement by means of a constant temperature anemometer with two parallel hot wires probe in a binary gas mix [...]
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76.
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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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77.
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Kabeláč, J.
In this paper a method for determination of shear stress distribution over arbitrary cross section is described. Cross section is loaded by any combination of shear and t [...]
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78.
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Lepš, M.
The problem of an inverse analysis occurs in many engineering tasks. The task itself has several different forms and can be solved by a variety of methods. In this paper, [...]
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79.
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The paper deals with comparison of experimental and numerical solution of pipeline tests. Proportions of specimens used in assumed experiments have been comparable with p [...]
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80.
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The paper deals with material models calibration from experiment tests on cylindrical bar. There are calibrated four ductile damage criteria, which seem to be generally w [...]
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81.
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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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82.
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