نتایج جستجو برای: Quasi-Static
تعداد نتایج: 186921 فیلتر نتایج به سال:
impact is one of the most important subjects which always have been considered in mechanical science. nature of impact is such that which makes its control a hard task. therefore it is required to adopt a safe and secure mechanism for transferring the impact to other vulnerable parts of a structure, when it is necessary. one of the best methods of absorbing impact energy is using thin-walled tu...
metallic nanoparticles can exhibit very large optical extinction in the visible spectrum due to localized surface plasmon resonance. spherical plasmonic nanoparticles have been the subject of numerous studies in recent years due to the fact that the scattering response of spheres can be analytically evaluated using mie theory. however a major disadvantage of metallic spherical nanoparticles is ...
self-centering pier (scp) has been viewed as a remarkable accomplishment which is able to sustain major lateral loading with reduced structure damage in seismic engineering. stiffness deterioration observed in experiment is vital for the seismic performance of self-centering concrete pier. in this contribution, the associated stiffness deterioration with respect to the structural damage is mode...
هدف از انجام این پروژه تعیین شرایط ناپایداری خطوط انتقال برق در اثر جریان باد می باشد. لذا اثر جریان عرضی سیال (هوا) روی دو کابل موازی انتقال برق در آرایش های مختلف مورد بررسی قرار گرفته است . در ابتدا مکانیزم های مختلف ارتعاش مطرح شده است . سپس معادلات حاکم بر کابل پایین دست جریان استخراج گردیده و بر اساس آن آنالیز پایداری صورت گرفته است . در استخراج و ساده سازی معادلات حرکت از فرض quasi - sta...
the mechanical strength of cumin seed and the effects of moisture content, seed size, speed and direction of loading on the force and energy required to fracture cumin seed were investigated. the results showed that moisture and loading direction were significant at the 1% level on the force and energy required to fracture cumin seed. the effects of seed size on force and loading speed on energ...
abstract: in this paper, the results of experimental and numerical simulation of low velocity impact process have been carried out to investigate energy absorption of composite sandwich panels with 3d woven fabrics of glass fibers and epoxy resin. for this purpose, diagrams of force-displacement of the quasi-static and quasi-dynamic impact tests were studied. for the finite element simulation, ...
We analyze a quasi-static Biot system of poroelasticity for both compressible and incompressible constituents. The main feature this model is nonlinear coupling pressure dilation through the system's permeability tensor. Such has been analyzed previously from point view constructing weak solutions fully discretized approach. In treatment, we consider simplified Dirichlet type boundary condition...
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