openfoam/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/system/cabin/fvOptions

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  plus                                  |
|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvOptions;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

airDeflection
{
    type            directionalPressureGradientExplicitSource;
    active          true;

    directionalPressureGradientExplicitSourceCoeffs
    {
        selectionMode   cellZone;
        cellZone        c1Zone;

        fields      (U);
        flowDir     (1 2 0);        // flow direction
        relaxationFactor    0.3;

        faceZone    f1Zone;

        //Pressure drop model [Pa]
        model       DarcyForchheimer;//volumetricFlowRateTable/constant

        //DarcyForchheimer
        D           5e7;
        I           0;
        length      0.01;

        //constant
        //pressureDrop    8;

        //volumetricFlowRateTable
        //outOfBounds     clamp;
        //file            "volFlowRateTable";
    }
}

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