A general optimization strategy for sound power minimization View Full Text


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Article Info

DATE

1994-10

AUTHORS

A. D. Belegundu, R. R. Salagame, G. H. Koopmann

ABSTRACT

A general approach for minimizing radiated acoustic power of a baffled plate excited by broad band harmonic excitation is given. The steps involve a finite element discretization for expressing acoustic power and vibration analysis, analytical design sensitivity analysis, and the use of gradient-based optimization algorithms. Acoustic power expressions are derived from the Rayleigh integral for plates. A general methodology is developed for computing design sensitivities using analytical expressions. Results show that analytical sensitivity analysis is important from both computational time and accuracy considerations. Applications of the optimization strategy to rectangular plates and an engine cover plate are presented. Thicknesses are chosen as design variables. More... »

PAGES

113-119

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf01743306

DOI

http://dx.doi.org/10.1007/bf01743306

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1032524717


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