Results 131 to 140 of about 488 (175)

Circular plates on Pasternak elastic foundations

International Journal for Numerical and Analytical Methods in Geomechanics, 1987
AbstractThis study deals with the geometrically nonlinear axisymmetric static and transient response of cylindrically orthotropic thin circular plates resting on Pasternak elastic foundations subjected to uniformly distributed loads. Clamped and simply‐supported plates with radially movable and immovable edges have been considered.
openaire   +2 more sources

Ultimate Carrying Capacity of Elastic-Plastic Plates on a Pasternak Foundation

Journal of Applied Mechanics, 2014
In the present work, the problem of an infinite elastic perfectly plastic plate under axisymmetrical loading conditions resting on a bilateral Pasternak elastic foundation is considered. The plate is assumed thin, thus making it possible to neglect the shear deformation according to the classical Kirchhoff theory. Yielding is governed by the Johansen's
LANZONI, Luca, RADI, Enrico, NOBILI, Andrea   +2 more
openaire   +1 more source

Analytical Solution for Vibration of Continuously Varying-Thickness Beams Resting on Pasternak Elastic Foundations

Advances in Applied Mathematics and Mechanics, 2021
Summary: In this paper, the vibration characteristics of beams with arbitrarily and continuously varying thickness and resting on Pasternak elastic foundations were analytically studied based on the elasticity theory directly. The general expression of stress function, which exactly satisfies the governing differential equations and the boundary ...
Li, Zhiyuan, Xu, Yepeng, Huang, Dan
openaire   +2 more sources

Thermodynamical Bending of FGM Sandwich Plates Resting on Pasternak's Elastic Foundations

Advances in Applied Mathematics and Mechanics, 2015
Summary: The analysis of thermoelastic deformations of a simply supported functionally graded material (FGM) sandwich plates subjected to a time harmonic sinusoidal temperature field on the top surface and varying through-the-thickness is illustrated in this paper.
Sobhy, Mohammed, Zenkour, Ashraf M.
openaire   +1 more source

Vibrations of an Euler-Bernoulli Nanobeam on a Winkler/Pasternak-Type Elastic Foundation

2018 IEEE 13th Annual International Conference on Nano/Micro Engineered and Molecular Systems (NEMS), 2018
A non-local Euler-Bernoulli nanobeam theory is used to calculate free vibrations for a beam resting on a Winkler/Pasternak-type elastic foundation. On using Hamilton's Principle, the nonlinear equation of motion, which includes terms for stretching of the neutral axis, is derived. The Adomian modified decomposition method is applied to solve the fourth-
Desmond Adair, Zhantileu Segizbayev, Xueyu Geng, Martin Jaeger   +3 more
openaire   +1 more source

Clamped Plates on Pasternak-Type Elastic Foundation by the Boundary Element Method

Journal of Applied Mechanics, 1986
A boundary element solution is developed for the analysis of thin elastic clamped plates of any shape resting on a Pasternak-type elastic foundation. The plate may have holes and it is subjected to concentrated loads, line loads, and distributed loads. The analysis is complete, i.e., deflections, stress resultants, subgrade reactions, and reactions on ...
Katsikadelis, J. T., Kallivokas, L. F.
openaire   +2 more sources

Bending analysis of FG viscoelastic sandwich beams with elastic cores resting on Pasternak’s elastic foundations

Acta Mechanica, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zenkour, Ashraf M., Allam, M. N. M., Sobhy, M.   +2 more
openaire   +2 more sources

Thermal posybuckling of rectangular plates on pasternak elastic foundations

Mechanics Research Communications, 1988
Thermal postbuckling of thin plates has not been studied extensively. Axisymmetric thermal postbuckling of circular plates and doubly-symmetric thermal postbuckling of square plates on Winkler foundations have been investigated by \textit{K. K. Raju} and \textit{G. V. Rao} [Comput. Struct.
openaire   +1 more source

Circular Elastic Plate Resting on Tensionless Pasternak Foundation

Journal of Engineering Mechanics, 2004
In this technical note, a thin circular plate resting on a two-parameter (Pasternak-type) foundation is studied under concentrated central and distributed loads. The governing equations of the plate are derived for static loading case considering the lift off (uplift) of the plate from the foundation.
openaire   +1 more source

Effects of shear deformation and rotary inertia on elastically constrained beam resting on pasternak foundation

Physica Scripta, 2023
Abstract This study investigates the free vibrations of elastically constrained shear and Rayleigh beams placed on the Pasternak foundation. Of particular interest, it is aimed to analyze the influence of shear strain, rotational inertia, elastic stiffness, and shear layer on the natural frequencies and eigenmodes of beam vibrations. For
Gulnaz Kanwal, Rab Nawaz, Naveed Ahmed, Mohammed Alkinidri   +3 more
openaire   +1 more source