Structural-Acoustic Design at High Frequency Using the Energy Finite Element Method

[+] Author and Article Information
R. J. Bernhard, J. E. Huff

Ray W. Herrick Laboratories, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-1077

J. Vib. Acoust 121(3), 295-301 (Jul 01, 1999) (7 pages) doi:10.1115/1.2893979 History: Received September 01, 1995; Revised November 01, 1998; Online February 26, 2008


Energy flow analysis methods, particularly as implemented using the finite element method, are useful as design techniques for high frequency structural-acoustic applications. In this paper, the derivation of energy flow analysis techniques are summarized. Particular attention is given to the specification of joint models for situations where there is a discontinuity in either geometric properties or material properties. The finite element formulation of this approach is also summarized. A case study is included to illustrate the utility of the method as a design technique.

Copyright © 1999 by The American Society of Mechanical Engineers
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