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Old   June 13, 2005, 14:58
Default define_diffusivity
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I am thinking to use the macro DEFINE_DIFFUSIVITY to define a non-isotropic diffusivity for a user defined scalar, but I have no idea on how to define the value in different directions ( the example in user guide only gives an example for isotropic case). Could anyone give me an example on this?

Thanks in advance!

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