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Considering water compressibility !!!!!!!!!!!!!!!!

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Old   November 2, 2007, 04:38
Default Considering water compressibility !!!!!!!!!!!!!!!!
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Hi everybody,

does anybody have experiences with water compressibility in Fluent? I have written short UDF for pressure-dependent density. Unfortunately, solution is diverging after few iterations. Do you have any suggestions? What about the energy equation? Should it be turned on as in gasses?

I am totally confused

Thanks in advance!!! Jan
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Old   November 2, 2007, 18:56
Default Re: Considering water compressibility !!!!!!!!!!!!
red lemon
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check the Fluent udf archive on where there is a liquid compressibility udf (free to use and you'll need bulk modulus and speed of sound through liquid).
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