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acoustic cavitation with fluent

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Old   October 24, 2013, 13:24
Default acoustic cavitation with fluent
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Hi every body
I want to investigate acoustic cavitation with fluent6.3, In order to model the effect of sound field, a periodic change pressure(change with time) is imposed on liquid in a region.
The cavitation model which takes into consideration such effects as phase change, bubble dynamics, and noncondensable gases is established. time step is set to quarter period of sound pressure.
But my solution not converge(Specially contiuity) with every change in under relaxtion factor.
can anyone help me in regarding with above problem….
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