Acoustic Wave Propagation Analysis using Linearized Lattice Boltzmann Method

DOI
  • IMAMURA Taro
    Aviation Program Group, Japan Aerospace Exploration Agency

Bibliographic Information

Other Title
  • 線形化格子ボルツマン法を用いた音波の伝搬解析

Abstract

In this study, acoustic propagation is computed based on lattice Boltzmann method (LBM). Linearized form of lattice Boltzmann equation (LBE) is used as a governing equation in order to capture the small acoustic perturbation. Additionally, implementations of farfield boundary condition and a monopole sound source are described in detail. The current code has a potential to solve acoustic propagation from non-compact body, including non-uniform mean flow effect and reflection at the wall. Several benchmark problems are solved, and current results show good agreement with the analytical results.

Journal

Keywords

Details 詳細情報について

  • CRID
    1390001204696568832
  • NII Article ID
    130003818025
  • DOI
    10.11426/nagare1982.25.477
  • ISSN
    21854912
    02863154
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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