A stable time domain BEM for diffuser scattering

Hargreaves, JA ORCID: https://orcid.org/0000-0003-4736-7507 and Cox, TJ ORCID: https://orcid.org/0000-0002-4075-7564 2007, A stable time domain BEM for diffuser scattering , in: 19th International Congress on Acoustics, 2-7 September 2007, Madrid.

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Abstract

Boundary Element Methods (BEMs) may be used to model scattering of sound by surfaces such as diffusers, accelerating prototyping of new Room Acoustics treatments. Unlike the more widely used frequency domain method, the time domain BEM is usually solved in an iterative manner so can exhibit instability, a crucial impediment to its widespread use. These instabilities are primarily associated with resonance of the cavities formed by closed surface sections, but may also be caused by discretisation or integration error corrupting physically relevant damped resonances.

Item Type:	Conference or Workshop Item (Lecture)
Themes:	Built and Human Environment
Schools:	Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre
Refereed:	No
Depositing User:	Dr Jonathan Hargreaves
Date Deposited:	16 Jan 2012 13:52
Last Modified:	15 Feb 2022 18:09
URI:	https://usir.salford.ac.uk/id/eprint/19379

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