Computational prediction of flow-generated sound

Meng Wang, Jonathan B. Freund, Sanjiva K. Lele

Research output: Contribution to journalReview article

Abstract

This article provides a critical review of computational techniques for flow-noise prediction and the underlying theories. Hybrid approaches, in which the turbulent noise source field is computed and/or modeled separately from the far-field calculation, are afforded particular attention. Numerical methods and modern flow simulation techniques are discussed in terms of their suitability and accuracy for flow-noise calculations. Other topics highlighted include some important formulation and computational issues in the application of aeroacoustic theories, generalized acoustic analogies with better accounts of flow-sound interaction, and recent computational investigations of noise-control strategies. The review ends with an analysis of major challenges and key areas for improvement in order to advance the state of the art of computational aeroacoustics.

Original languageEnglish (US)
Pages (from-to)483-512
Number of pages30
JournalAnnual Review of Fluid Mechanics
Volume38
DOIs
StatePublished - Feb 21 2006

Keywords

  • Acoustic analogy
  • Aeroacoustics
  • Computational methods
  • Flow noise
  • Noise control
  • Turbulence simulation

ASJC Scopus subject areas

  • Condensed Matter Physics

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