modelling Two-Temperature model

[Salah Al-Smairat]

Hello

I am python beginner, I need to model Two temperature model using python, but have no idea where to start, the model assumes electrons and lattice are two different subsystems, at two different temperatures, and the heat diffuses from the electrons to lattice through electron-phonon coupling, the equations are 

the equations are  

C_e   (∂T_e)/∂t=∇ ∙[k_e  ∇T_e ]-G(T_e-T_ph )+A(r,t)

C_ph  (∂T_ph)/∂t=∇ ∙[k_ph  ∇T_ph ]+G(T_e-T_ph)

thanks

[Daniel Wheeler]

Have you tried some of the FiPy examples. For example, the
examples/diffusion/coupled.py [*] has examples of coupled diffusion
equations. I would start with that and slowly add in source terms.
Start off with a single equation and make sure that works and then add
in the source terms and then add in a second equation uncoupled at
first. Let us know where you get stuck in that process. I hope that
helps.

[*]: https://www.ctcms.nist.gov/fipy/examples/diffusion/generated/examples.diffusion.coupled.html

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Daniel Wheeler