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An enhanced modal-based reduction of 3D porous materials modelling for efficient computation of structural-acoustic finite element applications
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Numerical acoustics.ORCID iD: 0000-0002-6555-531X
Conservatoire National des Arts et Metiers.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Numerical acoustics.ORCID iD: 0000-0003-1855-5437
2012 (English)Conference paper, Published paper (Refereed)
Abstract [en]

In this work, a modal reduction, based on real-valued modes, is used to improve the computational efficiency of Finite Element problems including 3D modelling of sound absorbing poroelastic materials. A mode selection procedure is proposed and tested in order to downsize the basis including only the most significant contributions. The results are presented in terms of the level of efficacy reached.

Place, publisher, year, edition, pages
2012.
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-108086OAI: oai:DiVA.org:kth-108086DiVA: diva2:578912
Conference
International Symposium on the Computational Modelling and Analysis of Vehicle Body Noise and Vibration, University of Sussex, Brighton, UK, 27-28 March 2012
Projects
Structural-acoustics, porous materials, noise reduction, finite element
Funder
TrenOp, Transport Research Environment with Novel PerspectivesEU, FP7, Seventh Framework Programme, GA-214909
Note

QC 20130507

Available from: 2012-12-19 Created: 2012-12-19 Last updated: 2013-05-07Bibliographically approved

Open Access in DiVA

Rumpler_Comvebonov(179 kB)194 downloads
File information
File name FULLTEXT01.pdfFile size 179 kBChecksum SHA-512
584e79d54dd46db8bafd9c800bdbaeb3c52905b83355159b028310c24f7b88d729b113f14c744829f7d68a1e08ee2fc8684974216527b29cd6c28407be9c9e8a
Type fulltextMimetype application/pdf

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Rumpler, RomainGöransson, Peter

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf