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A question about a turbulent model in multiphase flows

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Old   March 22, 2015, 14:32
Default A question about a turbulent model in multiphase flows
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hi everybody!

I have a question about a turbulent model in multiphase flows!
this is "Lopez de Bertodano" model!
is there any instruction for using this model!?
is this incompatible with a special settings? such as some boundary condition or some discretization method or something like them?

Recounting: I'm working on a bubbly flow. the problem without using "lopez" model is very stable. but when I use this model the problem suddenly been unstable and in a few iterations lead to divergence!

Thanks in advance
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