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I am modelling porous medium combustion in FLUENT with a separate energy equation for the fluid and the solid zone. Since the temperature of the solid region is quite high (around 1200 K),...
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I wish to represent physical phase boundaries in a porous structure on a mesh. It seems to be quite simple to get a porous structure with the desired porosity by mere random allocation of solid...
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I'm trying to simulate combustion through an inert porous block. I was able to complete the simulation assuming local thermodynamic equilibrium between the solid and the fluid but since this would...
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Should I use th = acos(r) or th = acos(sqrt(r)) where r is a random number between 0 and 1. 'th' is the angle of the ray from the normal to the surface.
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