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Old   July 12, 2011, 00:10
Default bubbleInterTrackFoam and Mass transport
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Kelvin Loh
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Hi all,

I am trying to model mass transfer across a bubble interface using bubbleInterTrackFoam, but when I added the scalar transport equation into the solver, it does not solve anything.

The following is an excerpt of the solver. Any help and suggestions on how to make this work? Thank you


#               include "continuityErrs.H"

                // Momentum corrector
                U -= fvc::grad(p)/AU;

//#           include "solveBulkSurfactant.H"
#           include "species_transfer.H"


#           include "freeSurfaceContinuityErrs.H"

#       include "updateMovingReferenceFrame.H"

#       include "volContinuity.H"
Info << "Solving the species field" << endl;

DT = fluidIndicator*( DTA - DTB ) + DTB;

  + fvm::div(phi - fvc::meshPhi(rho,U), C_O2)
  //+ fvm::div(phi, C_O2)
  == fvm::laplacian(DT, C_O2)
Attached Files
File Type: h species_transfer.H (860 Bytes, 6 views)
File Type: c bubbleInterTrackFoam_SDWA.C (5.0 KB, 8 views)
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Old   July 12, 2011, 03:47
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I have the impression that you are now solving the convection-diffusion equation in two seperate domains (you can easily check that I think with a simple case).
For the mass transfer across the interface, you should somehow communicate between the patches freeSurface(Shadow).
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Old   December 24, 2012, 08:25
Default bubbleInterTrackFoam + Mass Transport
Hanniel Freitas
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I would like to know if you could share your bubbleInterTrackFam + Mass transport implementation with me. I'm working with the same topíc, a falling drop with the conjugated solute transport to the exterior, but I'm having trouble even setting the case. Any help is appreciated .

Best regards,

Hanniel Freitas
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