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RESEARCH PAPERS

Doubly Asymptotic Approximations for Submerged Structures With Internal Fluid Volumes: Evaluation

[+] Author and Article Information
T. G. Geers, Peizhen Zhang

Center for Acoustics, Mechanics and Materials, Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309-0427

J. Appl. Mech 61(4), 900-906 (Dec 01, 1994) (7 pages) doi:10.1115/1.2901575 History: Received December 09, 1991; Revised October 18, 1993; Online March 31, 2008

Abstract

The accuracy of the doubly asymptotic approximations formulated in the previous companion paper is examined through the comparison of DAA and exact transient response histories for a fluid-filled, submerged spherical shell excited by an incident plane step-wave. The numerical results indicate that second-order DAAs are satisfactory for problems of this type.

Copyright © 1994 by The American Society of Mechanical Engineers
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