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areaAverage of arbitary plane

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Old   June 23, 2015, 05:15
Default areaAverage of arbitary plane
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Chris
Join Date: Jun 2015
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Hi,

My problem is that there were allready some simulations running in the past and I'm supposed to collect some data out of it. For this I need to get the areaAverage velocity, areaAverage pressure and areaIntegrated shearstresses inside a fluid on some planes (the positions are not known, the position of the plane should be variable). I allready managed to collect all the field-data using sampleSurfaces. You know, that's a huge amount of numbers... so are there any comfortable ways (allready build tools) to get the areaAverages?

If possible, I would like to integrate everything into a script which does all the analysis for me. (I got some basic programming knowledge in python, matlab and java, but unfortunally not yet in c++)

It would be great if someone could tell me how to execute this runtime processing function in a postprocess (this function is taken from controllDict):
Code:
pAverageCuttingPlane1
    {
        type			faceSource;
        functionObjectLibs ("libfieldFunctionObjects.so");

        enabled         true;
        outputControl   timeStep;

        // Output to log&file (true) or to file only
        log             true;

        // Output field values as well
        valueOutput     false;  //true;

        // Type of source: patch/faceZone/sampledSurface
        source          sampledSurface;

        sampledSurfaceDict
        {
                type				cuttingPlane;
                planeType			pointAndNormal;
                pointAndNormalDict
                {
                        basePoint       (0.065 0 0.0015);  
                        normalVector    (0 0 1);
                }
                source cells; // sample cells or boundaryFaces
                interpolate true;
        }

        // Operation: areaAverage/sum/weightedAverage ...
        operation       areaAverage;

        fields
        (
            p
	    U
        );
    }

Thanks and regards,
Chris

Last edited by LilumDaru; June 23, 2015 at 05:48. Reason: added a question.
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