foam-extend4.1-coherent-io/tutorials/solidMechanics/elasticSolidFoam/slidingFrictionBall/0/U

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | foam-extend: Open Source CFD                    |
|  \\    /   O peration     | Version:     4.0                                |
|   \\  /    A nd           | Web:         http://www.foam-extend.org         |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       volVectorField;
    location    "0";
    object      U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions      [0 1 0 0 0 0 0];

internalField   uniform (0 0 0);

boundaryField
{
    topBrickUp
    {
      type            timeVaryingFixedDisplacement;
      outOfBounds     clamp;
      fileName        "$FOAM_CASE/constant/timeVsTopDisp";
      value           uniform (0 0 0);
    }

    bottomBrickDown
    {
        type            fixedDisplacement;
        value           uniform (0 0 0);
    }

    topBrickDown
    {
        type                 solidContact;
        master               yes;
        contactActive        yes;
        rigidMaster          no;
        shadowPatch          bottomBrickUp;
        interpolationMethod  ggi;
        //interpolationMethod  patchToPatch;
        projectionAlgo       visible;
         projectionDir        contactSphere;
        //projectionDir        vector;
        correctionFrequency   10;
        normalContactModel     standardPenalty;
        standardPenaltyNormalModelDict
        {
            relaxationFactor               0.1;
            penaltyScale                   1;
            returnScale                    1.5;
            contactGapTol                  1e-7;
            limitPenetration               no;
            penetrationLimit               -0.03;
            limitPressure                  no;
            pressureLimit                  1e12;
            correctMissedVertices          yes;
            distanceMethod                 point;
            //distanceMethod                 face;
            oscillationCorrection          yes;
            smoothingSteps                 1;
            infoFrequency                  10;
        }
        //frictionContactModel   frictionless;
        frictionContactModel   standardPenalty;
        standardPenaltyFrictionModelDict
        {
            relaxationFactor               0.1;
            penaltyScale                   1;
            oscillationCorrection          yes;
            smoothingSteps                 1;
            infoFrequency                  10;

            frictionLaw       coulomb;
            frictionLawDict
            {
                frictionCoeff     0.1;
            }
        }

        value                uniform (0 0 0);
    }

    bottomBrickUp
    {
      type                 solidContact;
      shadowPatch          topBrickDown;
      master               no;
      contactActive        yes;
      value                uniform (0 0 0);
    }

    bottomBrickLeft
    {
        type            solidTraction;
        traction        uniform ( 0 0 0 );
        pressure        uniform 0;
        value           uniform (0 0 0);
    }

    bottomBrickRight
    {
        type            solidTraction;
        traction        uniform ( 0 0 0 );
        pressure        uniform 0;
        value           uniform (0 0 0);
    }
    topBrickLeft
    {
        type            solidTraction;
        traction        uniform ( 0 0 0 );
        pressure        uniform 0;
        value           uniform (0 0 0);
    }
    topBrickRight
    {
        type            solidTraction;
        traction        uniform ( 0 0 0 );
        pressure        uniform 0;
        value           uniform (0 0 0);
    }
    back
    {
        type            empty;
    }
    front
    {
        type            empty;
    }
}


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