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How to define a PDE form of a source term including an unknown variable in advection-diffusion equation of chemical species in COMSOL
Posted Oct 8, 2018, 6:56 p.m. EDT Fluid & Heat, Computational Fluid Dynamics (CFD), Chemical Reaction Engineering 0 Replies
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Hello everyone,
My problem include "free flow" and "porous flow" domains for which I am going to consider transport of chemical species. In the convection-diffusion equation for the porous flow, The soure term, has a PDE form of an unknown variable (b) appeared in the source term. (attached image).
I was wondering to know how I can introduce this unkonwn variable and then define the source term PDE (second equation in the attached image) coupled with advection-diffusion equation (1st equation in the attached image). Any help is greatly appreciated.
Best regards, Atefeh razavi
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Hello Atefeh Razavi
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