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Anisotropic diffusion coefficients in Maxwell-Stefan equation

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Dear experts,

Using Maxwell-Stefan equation for diffusion, I want to set anisotrpic values for the diffusion coefficients. This can be easily done if I use Fick's equation but it does not look straighforward if one uses Maxwell-Stefan. Any suggestions and ideas are highly appreciated.

Thanks

2 Replies Last Post 1 déc. 2014, 14:33 UTC−5

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Posted: 10 years ago 30 nov. 2014, 02:24 UTC−5
hi mohamed, can you help me ! i have a system of differantial equation PDEs ? comsol can solve this system ?
hi mohamed, can you help me ! i have a system of differantial equation PDEs ? comsol can solve this system ?

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Posted: 10 years ago 1 déc. 2014, 14:33 UTC−5

hi mohamed, can you help me ! i have a system of differantial equation PDEs ? comsol can solve this system ?


Hi Rabeb,

Yes, COMSOL can easily solve these equations. The module to use is Mathematics/PDE Interfaces and then choose one of the forms: coefficient/general/waek.

Hope this helps,
Mohammed
[QUOTE] hi mohamed, can you help me ! i have a system of differantial equation PDEs ? comsol can solve this system ? [/QUOTE] Hi Rabeb, Yes, COMSOL can easily solve these equations. The module to use is Mathematics/PDE Interfaces and then choose one of the forms: coefficient/general/waek. Hope this helps, Mohammed

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