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-   -   Stream tracer oriented lines in an unexpecting way (http://www.cfd-online.com/Forums/openfoam-solving/88173-stream-tracer-oriented-lines-unexpecting-way.html)

cristina87 May 10, 2011 09:45

Stream tracer oriented lines in an unexpecting way
 
Hi,

I have a sandstorm simulation (twoPhaseEulerFoam solver) with my inlet-outlet direcion on OX axis oriented and I don't know why the Stream tracer shows me the flow lines oriented on OZ axis...

I have a big box which contains 3 other little boxes (buildings). My inlet and outlet are walls belonging to the big box, all the other walls are simple wall :)

For both velocities (Ua and Ub) I have the followings values:

inlet
{
type fixedValue;
value uniform (0 0 0);
}
outlet
{
type zeroGradient;
}
walls
{
type partialSlip;
valueFraction uniform 0;
}

I expect to see the sream lines oriented from negative X to positive X (axis).

Thanks,
Cristina


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