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Stefan problem, pde and picewise function

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Hello! Sorry me for my bad english.
I have difficult problem and need help of community very much.
My problem is -

I have PDE heat transfer + PDE electro-magnetic = microwave heating.
but PDE coefficients are piecewise functions of temperature and time and x y z.
just for example density (rho) = 950 - 0.002*T(x,y,z,t) if T < 20
density (rho) = 1000 - 0.15*T(x,y,z,t) if T>=20
so i have Stefan problem, can Comsol solve it?

Thank you very much!


0 Replies Last Post Oct 10, 2010, 11:43 a.m. EDT
COMSOL Moderator

Hello Vladimir Ivanov

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