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Title:

Coupling impedance boundary conditions for absorptive structures with spectral finite elements in room acoustical simulations

Document type:
Zeitschriftenaufsatz
Author(s):
Buchschmid, M.; Pospiech, M.; Müller, G.
Abstract:
Models for Fluid Structure Interaction (FSI) in room acoustical calculations are used in many different fields of engineering like automotive industry or civil engineering. In order to obtain the sound field within an acoustic cavity, which is covered by absorptive boundary structures, with its spatial distribution, very often techniques based on Finite Element formulations are used instead of energy methods. In order to reduce the number of degrees of freedom and therefore the numerical effo...     »
Keywords:
Absorptive boundary conditions, Component mode synthesis, Fluid structure interaction, Room acoustics, Frequency- and wavenumber-dependent impedance, Integral transform method, Porous media, Spectral finite element method
Journal title:
Computing and Visualization in Science
Year:
2010
Journal volume:
13
Journal issue:
7
Pages contribution:
355-363
Reviewed:
ja
Language:
en
Fulltext / DOI:
doi:10.1007/s00791-010-0148-y
Publisher:
Springer
Publisher address:
Berlin, Heidelberg
Print-ISSN:
1432-9360
E-ISSN:
1433-0369
Status:
published (reviewed)
Submitted:
02.03.2010
Accepted:
01.10.2010
Copyright statement:
Springer
TUM Institution:
Lehrstuhl für Baumechanik
Format:
Text
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