نتایج جستجو برای: elastic winkler pstrnak

تعداد نتایج: 71687  

A trigonometric plate theory is assessed for the static bending analysis of plates resting on Winkler elastic foundation. The theory considers the effects of transverse shear and normal strains. The theory accounts for realistic variation of the transverse shear stress through the thickness and satisfies the traction free conditions at the top and bottom surfaces of the plate without using shea...

E Torkan M Pirmoradian,

The dynamic performance of structures under traveling loads should be exactly analyzed to have a safe and reasonable structural design. Different higher-order shear deformation theories are proposed in this paper to analyze the dynamic stability of thick elastic plates carrying a moving mass. The displacement fields of different theories are chosen based upon variations along the thickness as c...

2012
Sunita Kumari Pragyan P Sahoo

In the present analysis, an infinite Euler– Bernoulli beam of constant cross-section resting on an elastic foundation is considered. The beam and foundation are assumed to be homogeneous and isotropic. The foundation is modeled using one parameter without damping. The beam is subjected to a constant point load moving with a constant speed along the beam. An effort has been made to find the solu...

Journal: :Mathematical Problems in Engineering 2023

The general solution of the axial symmetry elastic space problem in cement concrete pavement is an elementary question. Combining Love method and Southwell method, operator was used variable selection process, displacement function introduced to express component by expression stress indicated obtained combining components, geometric equations, physical then substituted into equilibrium equatio...

Journal: :Sustainability 2023

It has been observed from previous large earthquakes that weakening the structural foundation can reduce damage of structure itself by allowing a rocking motion to release seismic energy, and this design philosophy is gradually applied new constructions. In paper, simplified model process rigid block proposed, equation derived, parameter analysis carried out. was found height–width ratio dampin...

Journal: :Waves in Random and Complex Media 2022

This article focuses on studying the nonlinear vibration of functionally graded (FG) curved nanobeams resting Pasternak-Winkler elastic foundation based nonlocal strain gradient theory along with first-order shear deformation beam (FSDBT) considering von-Kármán hypothesis. The Hamilton principle is applied to extract three motion equations and Galerkin method (GM) utilized spatially reduce diff...

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