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Add temperature-varying diffusivity in laplacianFoam

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Old   March 28, 2012, 17:00
Default Add temperature-varying diffusivity in laplacianFoam
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Tianyi LI
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Hello everyone, does anyone know how to add a temperature-varying diffusivity in the solver laplacianFoam ?

Currently we have

fvm::ddt(T) - fvm::laplacian(DT, T)

where DT is a constant. How can we make it varying with temperature ?
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