نتایج جستجو برای: viscoelastic plate

تعداد نتایج: 86182  

This communication influences on magnetohydrodynamic flow of viscoelastic fluid with magnetic field induced by oscillating plate. General solutions have been found out for velocity and shear stress profiles using mathematical transformations (Integral transforms). The governing partial differential equations have been solved analytically under boundary conditions u(0,t)=A_0 H(t)sinΩt and u(0,t)...

Journal: :Physics of Fluids 2021

The hydroelastic symmetric response of a floating ice sheet caused by pressure moving either in the lead or on infinite with crack (a zero width) is investigated. modeled as viscoelastic thin plate. water constant depth. flow under potential and linear. A boundary integral method (BIM) for combined finite difference plate free-free edge conditions to solve coupled problem linear hydroelasticity...

2014
G. O. Antoine R. C. Batra

We analyze the sensitivity to values of material parameters, layer thickness and impact speed of the plate deflection, the contact force between the impactor and the plate, the maximum length of a crack, and the energy dissipated during the low velocity impact at normal incidence of a clamped rectangular laminate by a rigid hemispherical-nosed cylinder. The laminate is comprised of layers of po...

2006
Bridget R. Smith David T. Sandwell

[1] We simulate 1000 years of the earthquake cycle along the San Andreas Fault System by convolving best estimates of interseismic and coseismic slip with the Green’s function for a point dislocation in an elastic plate overlying a viscoelastic half-space. Interseismic slip rate is based on long-term geological estimates while fault locking depths are derived from horizontal GPS measurements. C...

Journal: :journal of biomedical physics and engineering 0
a. amjadi biomedical physics and laser laboratory, physics department, sharif university of technology, tehran, iran f. motaghian biomedical physics and laser laboratory, physics department, sharif university of technology, tehran, iran

background: laser-tissue interaction on low-level laser therapy (lllt) has widespread medical applications (e.g., improved wound healing). the tensile strength of radiated tissue by lllt is known to be increased mainly because of cross collagen bands developed after radiation. objective: in this work, we studied the instantaneous effect of radiation of polarized laser beam on the viscoelastic t...

Journal: :Journal of Mathematical Sciences 2023

We formulate a variational problem for harmonic waves in viscoelastic body with short-term memory generated by distributed loads of given frequency. The conditions its well-posedness and equivalence to the saddle-point corresponding Lagrangian are established. construct an h -adaptive scheme finite-element method solution formulated posteriori error estimator determined element criterion local ...

Journal: :Engineering, Technology & Applied Science Research 2023

This paper deals with the dynamic response of Functionally Graded Material (FGM) plates resting on a viscoelastic foundation under loads. The governing equations are derived by using Hamilton’s principle classical plate theory and higher-order shear deformation theory. Using state-space methods to find closed-form solution functionally graded rectangular foundation. Numerical examples given for...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1987

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده پزشکی 1391

هدف: تحقیقات بر روی tilt board که اختصاصاً جهت تمرینات تعادلی طراحی گشته بسیار محدود است. هدف ما در این مطالعه بررسی اثر تمرین با tilt board بر مولفه های استاتیک و دینامیک تعادل بعد سکته بود. روش: در این مطالعه ?? بیمار همی پلژی شرکت داشتند که بطور تصادفی به دو گروه مداخله و کنترل دسته بندی شدند. بیماران با استفاده از آزمون های کلینیکی، دستگاه force plate و biodex قبل و بعد درمان مورد ارزیابی ...

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