Nonlinear Dynamic Buckling for Truncated Sandwich Shallow Conical Shell Structure Subjected to Pulse Impact

Ming Qiao Tang; Jia Chu Xu

doi:10.4028/www.scientific.net/AMM.252.93

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 252Nonlinear Dynamic Buckling for Truncated Sandwich...

Nonlinear Dynamic Buckling for Truncated Sandwich Shallow Conical Shell Structure Subjected to Pulse Impact

Abstract:

Nonlinear dynamic buckling for sandwich shallow conical shell structure under uniform triangular pulse is investigated. Based on the Reissner’s assumption and Hamiton’s principle, the nonlinear dynamic governing equation of sandwich shallow spherical shells is derived. The corresponding nonlinear dynamic response equations are obtained by Galerkin method and solved by Runge-Kutta method. Budiansky-Roth criterion expressed by displacements of rigid center is employed to determine the critical impact bucking load. The effects of geometric parameters and physical parameters on impact buckling are discussed.

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Periodical:

Applied Mechanics and Materials (Volume 252)

Pages:

93-97

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.252.93

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Online since:

December 2012

Authors:

Ming Qiao Tang, Jia Chu Xu

Keywords:

Budiansky-Roth Criterion, Galerkin Method, Nonlinear Dynamic Buckling, Truncated Sandwich Shallow Conical Shell Structure

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