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Calculate a custom flux through the interface of a two phase flow

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Old   October 18, 2016, 19:41
Default Calculation of a custom flux through the interface of a two phase flow
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Arsalan
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Dear Foamers,

I'm simulating a typical two-phase flow by modified interFoam solver in OF 2.3.0, well the problem is i need to calculate a custom flux ( a kind of heat flux) through the interface of two phases as follows:
F=\frac{(D\bigtriangledown T+\bigtriangledown \alpha)\overrightarrow{n}}{T}

where D is a transport property like rho that added to the solver, T is an added variable like temperature, \alpha is the volume fraction and \overrightarrow{n} is the normal to the interface.

Well with these descriptions, how the flux F could be calculated through the interface during the simulation?

Any help and comment will be greatly appreciated,
Regards,
Arsalan.

Last edited by arsalan.dryi; October 19, 2016 at 13:18.
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flux calculation, interface, interfoam, swak4foam, swakexpression


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