Dynamic relaxation analysis of composite sandwich annular sector plate with viscoelastic core

2015 ◽  
Vol 17 (6) ◽  
pp. 721-747 ◽  
Author(s):  
M Salehi ◽  
P Marashizadeh ◽  
M Abshirini
Keyword(s):  
Dynamic Relaxation ◽  
Relaxation Analysis ◽  
Composite Sandwich ◽  
Viscoelastic Core ◽  
Annular Sector ◽  
Sector Plate ◽  
Annular Sector Plate

Buckling analysis of functionally graded annular sector plates resting on elastic foundations

2010 ◽  
Vol 225 (2) ◽  
pp. 312-325 ◽  
Author(s):  
A Naderi ◽  
A R Saidi
Keyword(s):  
Boundary Conditions ◽  
Elastic Foundation ◽  
Buckling Analysis ◽  
Functionally Graded ◽  
Buckling Load ◽  
Critical Buckling Load ◽  
Elastic Foundations ◽  
Annular Sector ◽  
Sector Plate ◽  
Annular Sector Plate

In this study, an analytical solution for the buckling of a functionally graded annular sector plate resting on an elastic foundation is presented. The buckling analysis of the functionally graded annular sector plate is investigated for two typical, Winkler and Pasternak, elastic foundations. The equilibrium and stability equations are derived according to the Kirchhoff's plate theory using the energy method. In order to decouple the highly coupled stability equations, two new functions are introduced. The decoupled equations are solved analytically for a plate having simply supported boundary conditions on two radial edges. Satisfying the boundary conditions on the circular edges of the plate yields an eigenvalue problem for finding the critical buckling load. Extensive results pertaining to critical buckling load are presented and the effects of boundary conditions, volume fraction, annularity, plate thickness, and elastic foundation are studied.

Dynamic analysis of annular sector plate with general boundary supports

2013 ◽  
Vol 133 (5) ◽  
pp. 3562-3562
Author(s):  
Dongyan Shi ◽  
Xianjie Shi ◽  
Wen L. Li ◽  
Qingshan Wang
Keyword(s):  
Dynamic Analysis ◽  
General Boundary ◽  
Annular Sector ◽  
Sector Plate ◽  
Annular Sector Plate
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