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A stable time domain BEM for diffuser scattering

Hargreaves, JA and Cox, TJ 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: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Acoustics Research Centre
    Refereed: No
    Depositing User: JA Hargreaves
    Date Deposited: 16 Jan 2012 13:52
    Last Modified: 20 Aug 2013 18:20
    URI: http://usir.salford.ac.uk/id/eprint/19379

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