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Simulation of Sound Emitted from Collision of Droplet with Shallow Water by the Lattice Boltzmann Method

  • Shinsuke Tajiri
  • Michihisa Tsutahara
  • Hisao Tanaka
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5102)

Abstract

The sound emitted from splash of water droplet colliding with shallow water is simulated by the finite difference lattice Boltzmann method. Two-particle immiscible fluid model is used, and the under water sound is considered by introducing the elasticity for the liquid phase. After the collision, sounds propagating into the gas and liquid phases are successively detected. The directivity of the sound is shown to depend on the depth of the water.

Keywords

Finite difference lattice Boltzmann method Aero-acoustics Twophase flow Two-fluid interface 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Shinsuke Tajiri
    • 1
  • Michihisa Tsutahara
    • 1
  • Hisao Tanaka
    • 2
  1. 1.Graduate school of EngineeringKobe University RokkoNada-kuJapan
  2. 2.Universal Shipbuilding CorporationTsuJapan

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