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Anisotropic diffusion in a particular cell thread

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Old   July 7, 2020, 13:08
Default Anisotropic diffusion in a particular cell thread
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Beichao Hu
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Hello everyone, I want to create a UDF to achieve anisotropic diffusion at first cells beneath a particular surface. What it does is simply just blocking horizontal diffusion in a 3D Cartesian coordinate, while only leaving the vertical direction to be "open". I read the UDF manual, but it seems like the anisotropic diffusion can only be hooked by creating a new material in the material panel. Is there any way to achieve the same effect while not creating a new material and new zone through UDF. Any help will be appreciated.
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diffusion coefficient, diffusion equation

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