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Custom Solver : Addition of drift Convection in interFoam

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Old   January 6, 2025, 17:54
Default Custom Solver : Addition of drift Convection in interFoam
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Nicholas Langbein
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Hello,

I am currely working on modifying the interfoam solver . I want add additional drift flux in convection term. the magnitude is stored in volScalarField direction is against gravity which i have as :

surfaceVectorField gravity_upf(fvc::interpolate(gravityUp));
surfaceVectorField ngravity_upfv(gravity_upf/(mag(gravity_upf)));

The original solver implements a system of 2 immiscible phases.

My system requires an additional diffusion term and replaces the counter gradient transport term with the drift flux.

Please guide, also provide if any previous solutions in this regard is available
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