نتایج جستجو برای: dynamic loading
تعداد نتایج: 475781 فیلتر نتایج به سال:
Research has shown that mechanical loading affects matrix biosynthesis of intervertebral disc (IVD) cells; however, the pathway(s) to this effect is currently unknown. Cellular matrix biosynthesis is an energy demanding process. The objective of this study was to investigate the effects of static and dynamic compressive loading on energy metabolism of IVD cells. Porcine annulus fibrosus (AF) an...
abstract: ballasted railway track are of the most common types of railway in our country. the aim of this paper is study of three-dimensional suitable model for railway ballasted track and dynamic analysis of that using numerical runge-kutta 4th order method. after the dynamic analysis is performed the responses related to railway components are determined. to analyze the effect of passing rail...
A completely general method of analysis for three-dimensional raked piles under harmonic excitation is discussed. The piles have been represented by a three-dimensional frame structure and the soil has been represented by a boundary element discretization scheme. A computer program has been written which carries out this analysis and produces a group stiffness matrix that can be included as a f...
construction of asphaltic core dams is a relatively novel method especially in iran. iran is located in a region with high seismicity risk. therefore, many researchers have focused on the behavior of such types of dams under earthquake loading. in this research, the behavior of asphaltic core rockfill dams (acrd) has been studied under earthquake loading using nonlinear dynamic analysis method ...
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