Simulation of Laser-Induced Cavitation with Lattice Boltzmann Method

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Abstract:

In this paper, the Lattice Boltzmann Method is applied to set up the numerical model of cavitations. In order to simplify the model without losing the accuracy of simulation, the movement of the bubble wall is considered as the boundary condition for the gas and as initial condition for the fluid so the two phases (gas-fluid) physical phenomenon is divided into two simple models which are connected by the bubble wall. In the simulation, through the analysis of the velocity and the pressure distribution, it is found out that the symmetric bubble is characteristic with pulsation and high speed shock that are limited in a small field with radius of 7mm during the bubble growth. And it noted that the bubble is circularly collapsed for the symmetric velocity distribution.

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Periodical:

Advanced Materials Research (Volumes 538-541)

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1833-1836

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June 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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