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Boundary conditions for water jet into air in a closed chamber

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Old   August 20, 2013, 03:27
Default Boundary conditions for water jet into air in a closed chamber
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vishal
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I am trying to simulate water jet into air using interFoam.can any one tell whether the boundary condition I am giving is correct or not.

For U:
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions [0 1 -1 0 0 0 0];

internalField uniform (0 0 0);

boundaryField
{
inlet
{
type fixedValue;
value uniform (0 -0.1 0);
}
inletWall
{
type fixedValue;
value uniform (0 0 0);
}
bottomWall
{
type fixedValue;
value uniform (0 0 0);
}
atmosphere
{
type inletOutlet;
inletValue uniform (0 0 0);
value uniform (0 0 0);
}
frontAndBack
{
type empty;
}
}


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

For P_rgh

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object p_rgh;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions [1 -1 -2 0 0 0 0];

internalField uniform 0;

boundaryField
{
inlet
{
type zeroGradient;

}
inletWall
{
type zeroGradient;
}
bottomWall
{
type zeroGradient;

}

atmosphere
{
type totalPressure;
p0 uniform 0;
U U;
phi phi;
rho rho;
psi none;
gamma 1;
value uniform 0;
}

frontAndBack
{
type empty;
}
}

// ************************************************** *********************** //
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boundary condtion, two phase flows

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