A reduction method for structure-acoustic and poroelastic-acoustic problems using interface-dependent Lanczos vectors
(2006) In Computer Methods in Applied Mechanics and Engineering 195(17-18). p.1933-1945- Abstract
- A reduction method is proposed for analysing structure-acoustic and poroelastic-acoustic problems within a finite element framework. This includes systems consisting of an acoustic fluid domain coupled to a flexible structural domain and/or a porous sound absorbing material domain. The studied problem is reduced by dividing the system into a number of physical subdomains. A set of basis vectors is derived for each of these subdomains, including both normal modes and interface-dependent vectors that take account of the influence of connecting subdomains. The method is verified in two numerical examples using the proposed method for both solving the structure-acoustic eigenvalue problem and performing a frequency response analysis in an... (More)
- A reduction method is proposed for analysing structure-acoustic and poroelastic-acoustic problems within a finite element framework. This includes systems consisting of an acoustic fluid domain coupled to a flexible structural domain and/or a porous sound absorbing material domain. The studied problem is reduced by dividing the system into a number of physical subdomains. A set of basis vectors is derived for each of these subdomains, including both normal modes and interface-dependent vectors that take account of the influence of connecting subdomains. The method is verified in two numerical examples using the proposed method for both solving the structure-acoustic eigenvalue problem and performing a frequency response analysis in an acoustic cavity with one wall covered by porous material. (c) 2005 Elsevier B.V. All rights reserved. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/415781
- author
- Davidsson, Peter LU and Sandberg, Göran LU
- organization
- publishing date
- 2006
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- poroclastic, structure-acoustic, component mode synthesis, Biot's theory
- in
- Computer Methods in Applied Mechanics and Engineering
- volume
- 195
- issue
- 17-18
- pages
- 1933 - 1945
- publisher
- Elsevier
- external identifiers
-
- wos:000236021900003
- scopus:32044438196
- ISSN
- 0045-7825
- DOI
- 10.1016/j.cma.2005.02.024
- language
- English
- LU publication?
- yes
- id
- 8eeb79e5-ab68-41c3-9fbd-7f1d3096a88d (old id 415781)
- date added to LUP
- 2016-04-01 15:33:54
- date last changed
- 2022-03-30 01:58:15
@article{8eeb79e5-ab68-41c3-9fbd-7f1d3096a88d,
abstract = {{A reduction method is proposed for analysing structure-acoustic and poroelastic-acoustic problems within a finite element framework. This includes systems consisting of an acoustic fluid domain coupled to a flexible structural domain and/or a porous sound absorbing material domain. The studied problem is reduced by dividing the system into a number of physical subdomains. A set of basis vectors is derived for each of these subdomains, including both normal modes and interface-dependent vectors that take account of the influence of connecting subdomains. The method is verified in two numerical examples using the proposed method for both solving the structure-acoustic eigenvalue problem and performing a frequency response analysis in an acoustic cavity with one wall covered by porous material. (c) 2005 Elsevier B.V. All rights reserved.}},
author = {{Davidsson, Peter and Sandberg, Göran}},
issn = {{0045-7825}},
keywords = {{poroclastic; structure-acoustic; component mode synthesis; Biot's theory}},
language = {{eng}},
number = {{17-18}},
pages = {{1933--1945}},
publisher = {{Elsevier}},
series = {{Computer Methods in Applied Mechanics and Engineering}},
title = {{A reduction method for structure-acoustic and poroelastic-acoustic problems using interface-dependent Lanczos vectors}},
url = {{http://dx.doi.org/10.1016/j.cma.2005.02.024}},
doi = {{10.1016/j.cma.2005.02.024}},
volume = {{195}},
year = {{2006}},
}