wallBoundedStreamLines

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  v2306                                 |
|   \\  /    A nd           | Website:  www.openfoam.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/

// Interpolate U to create near-wall UNear
near
{
    type    nearWallFields;
    libs    (fieldFunctionObjects);

    // Output every
    writeControl    writeTime;

    // Calculate every
    executeControl  writeTime;

    // Fields to be sampled. Per field original name and mapped field to
    // create.
    // Note: fields only get updated when writing!
    fields
    (
        (U UNear)
    );

    // Patches/groups to sample (regular expressions)
    patches         (motorBikeGroup);

    // Distance to sample
    distance        0.001;
}


// Use UNear to track along wall
wallBoundedStreamLines
{
    type    wallBoundedStreamLine;
    libs    (fieldFunctionObjects);

    U           UNear;           // Velocity field for tracking
    fields      (p U k UNear);   // Fields to sample
    setFormat   vtk;
    direction   forward;
    lifeTime    100;    // Steps particles can travel before being removed
    cloud       wallBoundedParticleTracks;

    seedSampleSet
    {
        type        patchSeed;

        uniformCoeffs
        {
            axis        x;  //distance;
            start       (0.0035 0.0999 0.0001);
            end         (0.0035 0.0999 0.0099);
            nPoints     20;
        }

        cloudCoeffs
        {
            axis        x;  //distance;
            points      ((0.351516548679288 -0.0116085375585099 1.24));
        }

        patchSeedCoeffs
        {
            patches     (motorBikeGroup);
            axis        x;  //distance;
            maxPoints   20000;
        }
    }

    // Optional entries
    // bounds          (0.2 -10 -10)(0.22 10 10);
    // trackLength     1e-3;
    // nSubCycle       1;
    interpolationScheme cellPoint;

    // Optional (inherited) entries
    region          region0;
    enabled         true;
    log             true;
    timeStart       0;
    timeEnd         1000;
    executeControl  timeStep;
    executeInterval 1;
    writeControl    writeTime;
    writeInterval   -1;
}


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