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Is zeroGradient based on patch or on facevalues?

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Old   August 2, 2011, 15:47
Default Is zeroGradient based on patch or on facevalues?
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Fabian
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Hello everybody,

if I use zeroGradient, where does the value come from? From the cells at the patch I define or from the cell at every face. In other words: Is every BC different between faces at the same patch?
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