Hi All,
I'm trying to solve the diffusion equation with a point source at an
arbitrary location inside a circle. My idea is to adapt the example
examples.diffusion.circle
<http://www.ctcms.nist.gov/fipy/examples/diffusion/generated/examples.diffusion.circle.html#module-examples.diffusion.circle>
but I'm not sure how to proceed.
I think the idea should be create a variable which is zero everywhere
except for where the point source is located, and add this variable as
the source. But I don't know how to do this.
Any ideas or help will be greatly appreciated.
Best,
Adrian.
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