[dustinb]

Hi everyone,

i try to simulate supersonic flow on a double Wedge with sonicDyMFoam. The Solution has strange lines at the leading edge. Does anyone know why there are these lines and why is the shock at the tailing edge cloudy ?

FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

solvers
{
    "p.*"
    {
        solver          smoothSolver;
        smoother        symGaussSeidel;
        tolerance       1e-06;
        relTol          0;
    }

    "(U|e).*"
    {
        $p;
        tolerance       1e-05;
        relTol          0;
    }

    "rho.*"
    {
        solver          PCG;
        preconditioner  DIC;
        tolerance       1e-05;
        relTol          0;
    }
}


    
    
PIMPLE
{
    nOuterCorrectors 2;
    nCorrectors      2;
    nNonOrthogonalCorrectors 1;
}


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

FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

ddtSchemes
{
    default         Euler;
}

gradSchemes
{
    default         Gauss linear;
}

divSchemes
{
    default         none;
    div(phi,U)      Gauss upwind;
    div(phid,p)     Gauss limitedLinear 1;
    div(phi,e)      Gauss limitedLinear 1;
    div(phi,K)      Gauss limitedLinear 1;
    div(phiv,p)     Gauss limitedLinear 1;
    div(((rho*nuEff)*dev2(T(grad(U))))) Gauss linear;
}

laplacianSchemes
{
    default         Gauss linear corrected;
}

interpolationSchemes
{
    default         linear;
}

snGradSchemes
{
    default         corrected;
}



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

FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

application     sonicDyMFoam;

startFrom       latestTime;

startTime       0;

stopAt          endTime;

endTime         0.001;

deltaT          0.0000001;

writeControl    adjustableRunTime;

writeInterval   0.0000005;

purgeWrite      0;

writeFormat     ascii;

writePrecision  6;

writeCompression off;

timeFormat      general;

timePrecision   6;

runTimeModifiable true;

adjustTimeStep  yes;

maxCo           0.3;

functions
{
    libs ("libfieldFunctionObjects.so");

    Ma
    {
        type            MachNo;
        executeControl  writeTime;
        writeControl    writeTime;
    }
}


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

Cheers,
Dustin