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Vibroacoustic response sensitivity due to relative alignment of two anisotropic poro-elastic layers
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0003-1855-5437
National Conservatory of Arts and Crafts, Laboratoire de Mécanique des Structures et des Systémes Couplés (LMSSC), Conservatoire National des Arts et Metiérs, France.
University of Maine, Laboratoire d'Acoustique de l'Université du Maine, France.
2013 (English)In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 133, no 5, EL426-EL430 p.Article in journal (Refereed) Published
Abstract [en]

The effects of relative alignment of two different types of anisotropic open cell porous materials are investigated in terms of the acoustic response of a multi-layered configuration. Numerical experiments, where gradient based optimization techniques were used, are conducted to find possible extremal values. It is shown that, depending on the degree of anisotropy of the porous material properties, their angular orientations have a significant and frequency dependent influence on the measured response. The results highlight the importance of further advancing the knowledge of anisotropic porous material behavior.

Place, publisher, year, edition, pages
Acoustical Society of America (ASA), 2013. Vol. 133, no 5, EL426-EL430 p.
Keyword [en]
Acoustic response, Angular orientation, Degree of anisotropy, Frequency dependent, Gradient-based optimization, Material behavior, Numerical experiments, Vibro acoustic response
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-123627DOI: 10.1121/1.4802184ISI: 000318555900014Scopus ID: 2-s2.0-84877589329OAI: oai:DiVA.org:kth-123627DiVA: diva2:628309
Note

QC 20130613

Available from: 2013-06-13 Created: 2013-06-13 Last updated: 2017-12-06Bibliographically approved

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Göransson, Peter

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Lind Nordgren, EleonoraGöransson, Peter
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Marcus Wallenberg Laboratory MWLVinnExcellence Center for ECO2 Vehicle design
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Fluid Mechanics and Acoustics

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