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Topic Summary

Posted by: chenxizh
« on: June 06, 2012, 10:46:18 AM »

Hi, all. Recently I want to use Fluent's user define scalars(uds) in a multiphase problem . I find that the uds in multiphase has the following formulation


So I have a problem about the diffusion term. When I input the value "uds diffsivity" In "Create /Edit Material "  should I multiply by the density and the voidage myself ? Or Fluent will auto multiply the voidage of the phase?
Can anybody help me? thanks.