|July 27, 2012, 09:32||
Join Date: May 2012
Posts: 2Rep Power: 0
I am new to OpenFoam and would like to realize a substract between two vector fields.
I have tried to use foamCalc but without success:
"foamCalc addSubtract UL ULMean"Create time
Create mesh for time = 0
--> FOAM FATAL ERROR:
Invalid calcMode: ULMean
Valid calcModes are add and subtract
From function calcTypes::addSubtract:reCalc
in file basic/addSubtract/addSubtract.C at line 229.
If someone have a idea it would be great.
my goal is to calculate the RMS vorticity fluctuation,is somebody know how to do it?
thank you for your help!!
|July 30, 2012, 02:21||
Join Date: Sep 2009
Posts: 790Rep Power: 13
The correct syntax would be something like
foamCalc addSubtract UL subtract -field ULmean -resultName ULfluct
A better way to calculate the RMS values, may be to use function objects during runtime: HOWTO use fieldAverage
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