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Code for diffusion on the surface of a sphere

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Old   July 14, 2006, 17:59
Default Code for diffusion on the surface of a sphere
Vena Pearl Bongolan
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Greetings all!

My problem is quite simple: I want to solve the diffusion equation on the SURFACE OF A SPHERE. There is no flux in nor out of the sphere (this is just 2-D, as in, just the surface of the sphere).

What I really want to solve is the diffusion -convection-reaction equation on the surface of the sphere, but if you have code for solving just the diffusion part, that's a start.

I do have a diffusion-convection solver, but it's on a plane. All I want to happen is wrap this plane around a ball.

Thank you all very much.
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