نتایج جستجو برای: gravity stress view
تعداد نتایج: 757293 فیلتر نتایج به سال:
The effects of movement of the side walls of a confined granular packing are studied by discrete element, molecular dynamics simulations. The dynamical evolution of the stress is studied as a function of wall movement both in the direction of gravity as well as opposite to it. For all wall velocities explored, the stress in the final state of the system after wall movement is fundamentally diff...
Exposure to uncontrollable stress triggers a wide range of adaptive changes in the central nervous system (CNS), including the elevation of serotonin metabolism and an increased susceptibility to affective disorders. The present experiment investigated alterations in gene expression levels, especially serotonin-related genes, in mouse brains exposed to gravitychanging stress using a competitive...
The present study investigate the effects of mechanical properties of the rock layers in the foundation of concrete gravity dam on the seismic response of gravity dam–reservoir –foundation systems. The mutual effects of different domains are considered in the present research. As a case study the biggest section of Shafarud dam in the north of Iran is modeled two dimensionally using ABAQUS soft...
Different variants for buoyancy-affected terms in k-ε turbulence model have been utilized to predict the flow parameters more accurately, and investigate applicability of alternative k-ε turbulence buoyant closures in numerical simulation of a horizontal gravity current. The additional non-isotropic turbulent stress due to buoyancy has been considered in production term, based on Algebraic Stre...
Lisfranc injuries are commonly missed in the acute setting, largely due to subtle findings that often require weightbearing radiographs or more complex imaging for diagnosis. The long-term consequences of missed injuries are debilitating osteoarthritis of the midfoot, but this may be prevented with appropriate diagnosis and treatment. This case study presents a Lisfranc injury initially diagnos...
The aim of this work is to study natural processes which take place within the Earth crust and have connections with volcanic activity. When focusing on geological risk associated to volcanoes, it is known that the ground deformation and gravity changes are two indicators of volcanic activity, furthermore precursors of eruptions (see [3] and [5]-[9]). The modeling of the interaction between dis...
As a non-trivial check of the non-supersymmetric gauge/gravity duality, we use a near-extremal black brane background to compute the retarded Green’s functions of the stress-energy tensor in N = 4 super-Yang-Mills (SYM) theory at finite temperature. For the long-distance, low-frequency modes of the diagonal components of the stress-energy tensor, hydrodynamics predicts the existence of a pole i...
the purpose of this study was to determine the level of heat stress to construction workers using thermal work limit (twl) and wet bulb globe temperature (wbgt) indices and by measuring urine specific gravity (usg) among construction workers in iran and comparing the appropriateness of these indices for measuring heat stress in iran climate.this comparative and experimental study was conducted ...
In this article, the influence of hydrostatic stress and gravity on a clamped- free non homogeneous magneto electro elastic plate of polygonal cross sections is studied using linear theory of elasticity. The equations of motion based on two-dimensional theory of elasticity are applied under the plane strain assumption of prestressed and gravitated magneto electro elastic plate of polygonal cros...
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