Shock and Vibration

Shock and Vibration / 2002 / Article

Open Access

Volume 9 |Article ID 574056 | https://doi.org/10.1155/2002/574056

S.W. Gong, K.Y. Lam, "Analysis of Layered Composite Beam to Underwater Shock Including Structural Damping and Stiffness Effects", Shock and Vibration, vol. 9, Article ID 574056, 9 pages, 2002. https://doi.org/10.1155/2002/574056

Analysis of Layered Composite Beam to Underwater Shock Including Structural Damping and Stiffness Effects

Received09 Jan 2001
Revised14 Nov 2002

Abstract

This paper deals with the transient response of layered composite beams subjected to underwater shock. The Doubly Asymptotic Approximation (DAA) method is employed in this study to treat the fluid-structure interactions. The effective structural damping and stiffness are formulated and incorporated in the fluid-structure-coupled equations, which relate the structure response to fluid impulsive loading and are solved using coupled finite-element and DAA-boundary element codes. The present computational method facilitates the study of transient response of the layered composite beams to underwater shock, involving the effects of structural damping and stiffness. In addition, the effect of free surface on the transient response of the layered beam to underwater shock is examined.

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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