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Numerical investigation of shock-induced bubble collapse near a rigid wall

Shukla, Ratnesh K (2015) Numerical investigation of shock-induced bubble collapse near a rigid wall. In: IUTAM Symposium on Multiphase Flows with Phase Change Challenges and Opportunities, DEC 08-11, 2014, Indian Inst Technol, Hyderabad, INDIA, pp. 158-164.

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Official URL: http://dx.doi.org/10.1016/j.piutam.2015.04.022

Abstract

The dynamics of multiple shock-accelerated bubbles initially located in the vicinity of a rigid wall are investigated with a finite volume multiphase compressible flow solver. The method employs a coupled color function and level set description of the interface in order to suppress spurious numerical oscillations at the multi-material interface and to counter the excessive numerical diffusion caused by standard shock and interface capturing methods. This approach leads to a more accurate modeling of wave interface interactions and robust handling of topological changes including merger and breakup of the interfaces. Simulations shed light on the complex wave-interface interactions and jetting dynamics that ensue from the impulsive acceleration of shock-impacted bubbles. Implication of these interactions and jetting on the wall pressures is explored in detail. (C) 2015 Published by Elsevier B.V.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE BV, SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 25 Aug 2016 10:03
Last Modified: 25 Aug 2016 10:03
URI: http://eprints.iisc.ac.in/id/eprint/54570

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