How to set boundary conditions?

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Aimi Oguri
Aimi Oguri 2020-1-14
评论： Aimi Oguri 2020-1-15
I solve 2D heat equation.
I want to set the Dirichlet boundary condition and the Neumann boundary condition alternately and very finely on edge of ellipse like this figure.
Specifically, I want to set 100 Dirichlet boundary conditions and 100 Neumann boundary conditions alternately in each of region(E1,E2,E3,E4).
What should I write program?

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Ravi Kumar
Ravi Kumar 2020-1-15
If you are using PDE Toolbox, then you have to create all those edges, and then you would be able to do it. Refer to the documentation, decsg. You need to create the gd matrix will all the edges you want.
But my question is, why do you need to model such interlaced BCs?
Regards,
Ravi
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Aimi Oguri
Aimi Oguri 2020-1-15
Thank you for your reply.
Because I want to analyze cell channel distribution.

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