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Atmospheric Sound Propagation Over Large-Scale Irregular Terrain
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
2014 (English)In: Journal of Scientific Computing, ISSN 0885-7474, E-ISSN 1573-7691, Vol. 61, no 2, 369-397 p.Article in journal (Refereed) Published
Abstract [en]

A benchmark problem on atmospheric sound propagation over irregular terrain has been solved using a stable fourth-order accurate finite difference approximation of a high-fidelity acoustic model. A comparison with the parabolic equation method and ray tracing methods is made. The results show that ray tracing methods can potentially be unreliable in the presence of irregular terrain.

Place, publisher, year, edition, pages
2014. Vol. 61, no 2, 369-397 p.
Keyword [en]
Wave propagation, Irregular terrain, High-order finite difference methods
National Category
Other Mathematics
URN: urn:nbn:se:kth:diva-155778DOI: 10.1007/s10915-014-9830-4ISI: 000343215600007ScopusID: 2-s2.0-84920258337OAI: diva2:763107

QC 20141113

Available from: 2014-11-13 Created: 2014-11-13 Last updated: 2014-11-13Bibliographically approved

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Karasalo, Ilkka
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