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Numerical Investigation of Bubble Cloud Dynamics in Shock Wave Lithotripsy

Tanguay, Michel and Colonius, Tim (2002) Numerical Investigation of Bubble Cloud Dynamics in Shock Wave Lithotripsy. In: ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. American Society of Mechanical Engineers , New York, NY, pp. 389-394. ISBN 0791836150.

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To provide greater understanding of some of the phenomena in Extracorporeal Shock Wave Lithotripsy (ESWL), we implemented a two-phase continuum model for cavitating flow and applied it to the simulation of bubble cloud dynamics in an electro-hydraulic lithotripter. Through the combination of a WENO shock capturing scheme, curvilinear coordinates system and ensemble averaged mixture model, we computed the evolution of the lithotripsy shock wave and the concomitant cavitation field. In this paper, we present the results for three different configurations: a single-pulse lithotripter (free field), a single-pulse lithotripter with rigid artificial kidney stone at the focal point, and a dual-pulse lithotripter. Qualitative and quantitative comparisons of the numerical results to experimental observations are also included.

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Colonius, Tim0000-0003-0326-3909
Additional Information:© 2002 American Society of Mechanical Engineers. We would like to thank Christopher Brennen and Al Preston for their helpful suggestions and insight. We would also like to thank the PPG investigators, particularly Mike Bailey and Dahlia Sokolov for their comments as well as for sharing their experimental data. This work was supported by NIH under grant PO1 DK43881.
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NIHPO1 DK43881
Subject Keywords:Dynamics (Mechanics), Shock waves, Bubbles
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Record Number:CaltechAUTHORS:20190709-092100453
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Official Citation:Tanguay M, Colonius T. Numerical Investigation of Bubble Cloud Dynamics in Shock Wave Lithotripsy. ASME. Fluids Engineering Division Summer Meeting, Volume 1: Fora, Parts A and B ():389-394. doi:10.1115/FEDSM2002-31010.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96967
Deposited By: Melissa Ray
Deposited On:10 Jul 2019 23:53
Last Modified:16 Nov 2021 17:25

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