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How can I solve 2D transient diffusion equation with nonlinear source term?

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Aimi Oguri
Aimi Oguri 2020-1-28
回答： Ravi Kumar 2020-1-29
I am trying to solve the problem of 2d transient diffusion equation.
I created block like this figure, 60×6.
All of edges (E1,E2,E3,E4) is Dirichlet Boundary, 0.
where S is the concentration of each species(A,B,C,D), Ds is the diffusion constant for each species, and Rs is the reaction term for each species.
Initial condition:
Diffusion constant :
What should I write program?
Can anybody help me?
block.jpg

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回答（1 个）

Ravi Kumar
Ravi Kumar 2020-1-29
I don't see any interaction between species being defined by the stated PDEs. You can define coefficients usng PDEModel workflow: d = 1, c = Ds, and f = Rs.
Regards,
Ravi

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