How to implement anisotropic diffusion coefficient

benk · March 19, 2010, 10:36

Hi, can somebody point me to an example of how to implement an anisotropic diffusion coefficient? For example, on a 2D geometry, I want the x-direction diffusion coefficient to be smaller than the y-direction diffusion coefficient.

alberto · March 25, 2010, 22:41

Quote:

Originally Posted by benk

Hi, can somebody point me to an example of how to implement an anisotropic diffusion coefficient? For example, on a 2D geometry, I want the x-direction diffusion coefficient to be smaller than the y-direction diffusion coefficient.

You can pass a tensor as "coefficient" to the laplacian.

Best,

March 19, 2010, 10:36	How to implement anisotropic diffusion coefficient	#1
benk Senior Member Ben K Join Date: Feb 2010 Location: Ottawa, Canada Posts: 140 Rep Power: 8	Hi, can somebody point me to an example of how to implement an anisotropic diffusion coefficient? For example, on a 2D geometry, I want the x-direction diffusion coefficient to be smaller than the y-direction diffusion coefficient.

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