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calculated Volume differs from BlockMesh Volume

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Old   January 19, 2012, 02:32
Default calculated Volume differs from BlockMesh Volume
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Hi OpenFOAM-folks,

I want to calculate the heat of each cell in chtMultiRegionFoam. As I got some strange results, I let OF write the CellVolumes and summed them up as follows:

Volume
Code:
V = mesh.V()[celli];
total Volume
Code:
VSum = sum(V);
My geometry is very simple at the moment: It is a cuboid.

checkMesh output: Total volume = 2.55e-06 (conform to dimensions of geometry)
field output VSum:
Code:
patchName
    {
        type            calculated;
        value           uniform 2.342286e-06;
Does someone has an idea, what the reason for this is?

Best regards,

Michael
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