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Boundary condition error in immersedBoundary

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Old   June 10, 2023, 11:06
Question Boundary condition error in immersedBoundary
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Thomas Shi
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I am struggling with a boundary condition problem in simulating turbulence flow in foam-extend 4.0 with immersed boundary method. The message reminded that a vector tauWall was not set for the IB patch for field U. Does anyone know how to solve this problem? Thank you in advance!
tauWall not set for IB patch ibCylinder for field U

    From function const vectorField& immersedBoundaryVelocityWallFunctionFvPatchVectorField::wallShearStress() const
    in file wallFunctions/immersedBoundaryVelocityWallFunctions/immersedBoundaryVelocityWallFunctionFvPatchVectorField.C at line 200.

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