How can i modify the PDE used by Comsol by default??

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Hii Comsol Users... I am new to Comsol and having few doubts, expecting help from this platform. I am using heat transfer in porous media physics interface but the PDE that governs the physical phenomenon and physiological process of my simulation study does not match with the PDE used by Comsol by default. Although both the PDEs are of the same form (consevation of Energy equation) but some parameters, coefficients and LHS terms differ in them. Here i have attached both the PDEs please see. Can i modify Comsol PDE to incorporate all the parameters and terms used in PDEs used for my study?? or can i insert these three PDEs by using Mathematics interface?

0 Replies Last Post Nov 26, 2020, 10:01 AM EST
COMSOL Moderator

Hello Shivendra Patel

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