OpenFOAM-6/tutorials/multiphase/interPhaseChangeDyMFoam/propeller/system/createInletOutletSets.topoSetDict

/*--------------------------------*- C++ -*----------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  6
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      topoSetDict;
}

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

actions
(
    {
        name    boundaryFaces;
        type    faceSet;
        action  new;
        source  patchToFace;
        sourceInfo
        {
            name outerCylinder;
        }
    }

    {
        name    outletFaces;
        type    faceSet;
        action  new;
        source  faceToFace;
        sourceInfo
        {
            set boundaryFaces;
        }
    }

    {
        name    inletFaces;
        type    faceSet;
        action  new;
        source  faceToFace;
        sourceInfo
        {
            set boundaryFaces;
        }
    }

    {
        name    outletFaces;
        type    faceSet;
        action  subset;
        source  normalToFace;
        sourceInfo
        {
            normal  (0 -1 0);   // Vector
            cos     0.3;        // Tolerance (max cos of angle)
        }
    }

    {
        name    inletFaces;
        type    faceSet;
        action  subset;
        source  normalToFace;
        sourceInfo
        {
            normal  (0 1 0);    // Vector
            cos     0.3;        // Tolerance (max cos of angle)
        }
    }
);

// ************************************************************************* //