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Introducing diffsuion tensor in fluent

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Old   May 25, 2006, 21:23
Default Introducing diffsuion tensor in fluent
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Bharat
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While solving mass transfer problems using Fluent, is there a way to replace the scalar diffusivity of a substance with a diffusion tensor at least in 2D? How to go about in solving such a problem? Any suggestions?
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Old   May 26, 2006, 12:22
Default Re: Introducing diffsuion tensor in fluent
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Swarup
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Try multicomponent diffusivity option. Its calculation is based upon Stefan-Maxwell formulation.

Swarup
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Old   May 31, 2006, 21:28
Default Re: Introducing diffsuion tensor in fluent
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Bharat
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I can invoke the multicomponent diffusion in the material panel for the maxwell-stefan equation. But then, I think the equation uses scalar D as a tensor D. How do i input the coefficients of the tensor? Is it in the form of a UDF?

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