Optimization of acoustic response — a numerical and experimental comparison

Acoustic optimization within structural dynamics involves automatic changes of structural design variables such as geometric dimensions, shell thickness, material parameters, fiber density and orientation angles, and others to obtain minimum noise or a specified sound quality in specified regions in...

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Bibliographic Details
Published inStructural and multidisciplinary optimization Vol. 19; no. 2; pp. 122 - 129
Main Author Tinnsten, M
Format Journal Article
LanguageEnglish
Published Heidelberg Springer Nature B.V 01.04.2000
Subjects
Acoustic noise
Acoustics
Angles (geometry)
Boundary element method
Computer Aided Design
Cylinders
Datorstödd maskinkonstruktion
Engineering mechanics
Finite element method
Nonlinear programming
Optimization
Sound intensity
Structural design
TECHNOLOGY
TEKNIKVETENSKAP
Teknisk mekanik
Thickness
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Summary:Acoustic optimization within structural dynamics involves automatic changes of structural design variables such as geometric dimensions, shell thickness, material parameters, fiber density and orientation angles, and others to obtain minimum noise or a specified sound quality in specified regions inside or outside the structure. The objective of the present paper is to compare numerical optimization results with experimental ones. The analysed structure is geometrically simple; a closed cylinder. The objective function is the sound intensity at specified points outside the structure. The variable used is the shell thickness. The structural dynamic behaviour is analysed with the finite element method and the acoustic analysis is performed with the boundary element method.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1615-147X
1615-1488
1615-1488
DOI:10.1007/s001580050092