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Type: Journal article
Title: A tool for the optimisation of vibro-acoustic systems using a parallel genetic algorithm and a distributed computing network
Author: Howard, C.
Morgans, R.
Hansen, C.
Zander, A.
Citation: Noise Control Engineering Journal, 2005; 53(6):256-267
Publisher: Institute of Noise Control Engineering
Issue Date: 2005
ISSN: 0736-2501
Statement of
Carl Q. Howard, Rick Morgans, Colin H. Hansen, and Anthony C. Zander
Abstract: An asynchronous parallel genetic algorithm (GA) was used in conjunction with a distributed computing network to optimise the locations and parameters for combined Helmholtz resonators and tuned mass dampers, called passive vibro-acoustic devices (PVADs), placed on the walls of a composite cylinder model of the payload bay in a rocket used to launch satellites. The vibro-acoustic response was calculated using modal coupling theory with the modal response calculated using commercial finite element software. Binary and integer representations of the chromosomes in the genetic algorithm were used in the optimisation, and it was found that the integer representation converged twice as fast as the binary representation. Optimisations were conducted with a varying number of PVADs. The use of the distributed computing environment reduced the time taken to conduct the optimisation to 3 days compared to 75 days on a single desktop computer.
Rights: Article copyright remains with the publisher, society or author(s) as specified within the article.
RMID: 0020052493
DOI: 10.3397/1.2839261
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Appears in Collections:Mechanical Engineering publications
Environment Institute publications

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