foam-extend4.1-coherent-io/tutorials/discreteMethods/dsmcFoam/freeSpaceStream/constant/dsmcProperties

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | foam-extend: Open Source CFD                    |
|  \\    /   O peration     | Version:     4.1                                |
|   \\  /    A nd           | Web:         http://www.foam-extend.org         |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "constant";
    object      dsmcProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

// General Properties
// ~~~~~~~~~~~~~~~~~~

nEquivalentParticles            1e12;

// Wall Interaction Model
// ~~~~~~~~~~~~~~~~~~~~~~

WallInteractionModel            MaxwellianThermal;

MaxwellianThermalCoeffs {}

// Binary Collision Model
// ~~~~~~~~~~~~~~~~~~~~~~

BinaryCollisionModel            LarsenBorgnakkeVariableHardSphere;

LarsenBorgnakkeVariableHardSphereCoeffs
{
    Tref                        273;
    relaxationCollisionNumber   5.0;
}

// Inflow Boundary Model
// ~~~~~~~~~~~~~~~~~~~~~

InflowBoundaryModel             FreeStream;

FreeStreamCoeffs
{
    numberDensities
    {
        N2      0.777e20;
        O2      0.223e20;
    };
}

// Molecular species
// ~~~~~~~~~~~~~~~~~

typeIdList                      (N2 O2);

moleculeProperties
{
    N2
    {
        mass                            46.5e-27;
        diameter                        4.17e-10;
        internalDegreesOfFreedom        2;
        viscosityCoefficient            1.656e-5;
        omega                           0.74;
    }

    O2
    {
        mass                            53.12e-27;
        diameter                        4.07e-10;
        internalDegreesOfFreedom        2;
        viscosityCoefficient            1.919e-5;
        omega                           0.77;
    }
}


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