Journal
PHYSICS OF FLUIDS
Volume 31, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5084729
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Funding
- Royal Society of New Zealand's Marsden Fund
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This paper describes the first high-order accurate, fully compressible, multiphase model to simulate the expansion and collapse of a near wall cavitation bubble in a low-frequency ultrasound field. The model captures the compressibility of the fluids, subsequent shocks, and a physically correct representation of the acoustic input through an immersed moving boundary that represents the active face of the ultrasound transducer face. The model's predictions of bubble dynamics are compared to existing models that are able to capture the collapse of a near wall bubble, (1) the Rayleigh growth and collapse model and (2) the Rayleigh-Plesset growth initialized collapse model, highlighting the limitations of the previously developed models.
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