On Wed, Sep 17, 2014 at 5:33 PM, Raymond Smith <smit...@mit.edu> wrote:
> > I don't think that the boundary condition implementation should require a > particular type of mesh or depend on the type of mesh used. > I agree with this. Yun, Is the difficulty with your problem to do with creating a function that identifies the boundary region or with expressing the boundary condition? > Then again, I don't think FiPy has circular meshes 'built-in', so you may > end up needing to use Gmsh ( > http://www.ctcms.nist.gov/fipy/examples/diffusion/generated/examples.diffusion.circle.html), > but I don't think that should be related to whether or not the boundary > conditions are non-linear. Also, depending on your governing equations, > no-flux boundary conditions are often linear. You haven't actually said > specifically what equation(s) you're trying to solve and what boundary > conditions you're trying to implement. More importantly, how are they > different from those covered in the examples and usage documentation, such > that you're not sure how to proceed? > Yun, is there an answer to this question? -- Daniel Wheeler
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