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Dynamic Characteristics of Cross-Ply Laminated Shells
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 Title & Authors
Dynamic Characteristics of Cross-Ply Laminated Shells
Park, Sungjin;
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A simplified method for the calculation of dynamic characteristics of initially stressed antisymmetric cross-ply laminated shells is presented in this paper using the natural frequencies under unloading state. The equation of motion of laminated shell with two opposite edges simply supported is investigated on the basis of Rayleigh-Ritz method and Mindlin shell theory with effect of the curvature term. The relationships of the non-dimensional natural frequencies with initial stresses the coeffcients of critical buckling and the boundaries of te dynamic principal instability region can be characterized by the non-dimensional natureal frequencies under unloading state. Numerical examples are presented t verify the simplified equations and to illustrate potential applications of the analysis.
Cross-Ply Laminated shell;free vibration;Mindlin`s shell;
 Cited by
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