Free-Lagrange Simulations of Shock/Bubble Interaction in Shock Wave Lithotripsy

  • Ahmad R. Jamaluddin
  • Graham J. Ball
  • Timothy G. Leighton

Abstract

A Free-Lagrange CFD code is used to model the near-field interactions between a lithotripter shock wave and a single spherical air bubble in water in axisymmetric form. The shock wave interaction causes the bubble to collapse and undergo jetting which consequently generates a blast wave into the surrounding water due to a liquid-liquid impact. Following impact, the bubble attains a toroidal shape and undergoes subsequent expansion and collapse. A detailed description of the shock/bubble interaction event is given, which includes both primary and secondary collapse. Near-field pressure-time histories are presented.

Keywords

Vortex Cavitation Acoustics Photography Timothy 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Ahmad R. Jamaluddin
    • 1
  • Graham J. Ball
    • 2
  • Timothy G. Leighton
    • 3
  1. 1.School of Engineering SciencesUniversity of SouthamptonHighfieldUK
  2. 2.Aldermaston, ReadingAtomic Weapons EstablishmentUK
  3. 3.Institute of Sound and Vibration ResearchUniversity of SouthamptonHighfieldUK

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