I have this set of governing equations for convection. The equations were derived from Navier-Stokes and energy equations. It’s similar just added some terms. I was wondering is it possible to solved these equations using Ansys Fluent? I was told to write a UDF file. Should I discretized the equations using FVM first? I’m new to Ansys Fluent.
For this kind of approach probably the software "Comsol" would be a better option.
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Azizi Ahmadi
For me, it looks like the steady-state simulation in porous media, or something similar,
if H is constant, then try to use Darcy law as a source term in your simulation. I think it already exists in Ansys fluent. you can also add 6/5 as porosity in your system of equation. All exist under Cell Zone Conditions tab
Azizi Ahmadi
For example:
https://www.afs.enea.it/project/neptunius/docs/fluent/html/ug/node233.htm
In Fluent, it is under Cell Zone Conditions tab. There you can apply porous zone on your domain
Mahdi Rezaei Adariani if I put it as porous zone, wont the equations become darcy law instead of navier stokes equations? Sorry for asking too much as I‘m a newbie
Azizi Ahmadi
No, its NS equation with extra term as pressure drop in source term.
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