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A distributed algorithm for flow induced acoustics

A distributed algorithm for flow induced acoustics

Lai, C.-H. ORCID: 0000-0002-7558-6398, Wang, Z.K., Djambazov, G.S. ORCID: 0000-0001-8812-1269 and Pericleous, K.A. ORCID: 0000-0002-7426-9999 (2006) A distributed algorithm for flow induced acoustics. Journal of Computational Acoustics (JCA), 14 (1). pp. 131-141. ISSN 0218-396X (Print), 1793-6489 (Online) (doi:

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Sound waves are propagating pressure fluctuations and are typically several orders of magnitude smaller than the pressure variations in the flow field that account for flow acceleration. On the other hand, these fluctuations travel at the speed of sound in the medium, not as a transported fluid quantity. Due to the above two properties, the Reynolds averaged Navier–Stokes (RANS) equations do not resolve the acoustic fluctuations. Direct numerical simulation of turbulent flow is still a prohibitively expensive tool to perform noise analysis. This paper proposes a distributed algorithm, based on the acoustic correction method, which leads to an efficient method for computational aeroacoustics and noise analysis. Software issues and advantages are discussed. Numerical experiments on a flow induced noise problem are included.

Item Type: Article
Uncontrolled Keywords: Navier–Stokes, distributed algorithm, acoustic correction method
Subjects: Q Science > QA Mathematics
Faculty / School / Research Centre / Research Group: Faculty of Liberal Arts & Sciences
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Last Modified: 02 Mar 2019 15:51

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