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- Title
Thermal buckling analysis of temperature dependent porous FGM Mindlin nano circular plate on elastic foundation.
- Authors
Ghomshei, M. M. Mohieddin
- Abstract
In the present work, the symmetric thermal buckling behavior of shear deformable heterogonous nano/micro circular porous plates resting on a two parameter foundation is studied. The material behavior of the nano plate is modeled by the modified couple stress theory. The plate material properties assumed to be graded across the thickness direction according to a simple power law, and have a uniform open void porosity. Using Mindlin's plate theory and the nonlinear von-Karman strain field and implementing the energy method, the plate stability equations together with the membrane equilibrium equation are derived and expressed in terms of the displacement field components. Then the nondimensionalized forms of the equations are derived using differential quadrature method (DQM). The resulting eigenvalue problem is solved to evaluate the plate critical buckling temperature difference. Convergence and comparative studies are carried out. Also the influences of some important parameters including length scale factor, porosity factor and Winkler& Pasternak stiffness coefficients are investigated.
- Subjects
FUNCTIONALLY gradient materials; ELASTIC plates &; shells; ELASTIC foundations; STRAINS &; stresses (Mechanics); DIFFERENTIAL quadrature method; THERMAL analysis; MECHANICAL buckling
- Publication
Journal of Solid Mechanics, 2023, Vol 15, Issue 4, p369
- ISSN
2008-3505
- Publication type
Article
- DOI
10.22034/jsm.2023.1981498.1771