source term only in boundary cell.

  • Hi guys,

    I defined a Uw which has the same size of the total cell numbers to save the velocity only in the boundary cell. Due to the fact that the source term I need to use is Uw times the area of corresponding wall. Thus, I defined a patchArea (patchArea[faceI] = mesh.magSf().boundaryField()[patchID][faceI];) used to save that area. Note that the size of patchArea is also same as Uw, however the index is not corresponding to each other. Is there a way to rearrange the order of patchArea, to make the index consistent with Uw? I uploaded a output log file here, as you can see, the index with a non-zero value in Uw means the wall cell index. But the order in patchArea needs to be modified

  • Already solved.

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