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caculating Nusselt Number

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Old   September 25, 2016, 12:39
Default caculating Nusselt Number
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A. Min
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alimea is on a distinguished road
Hi
I want to calculate Nusselt Number by swakFunctions in every point of a patch by this code that is added to "controlDict" file"

NusseltNumber
{
functionObjectLibs
(
//"libsimpleFunctionObjects.so"
"libsimpleSwakFunctionObjects.so"
);
type patchExpression;
outputControlMode timeStep;
outputInterval 1;
patches
(
cylinder
);
verbose true;
variables
(
"T_inf=295;"
"D=0.01;"
);
expression "D*snGrad(T)/(T-T_inf)";
accumulations
(
average
);
log true;
}


I think I should change the accumulations from average to the other mode, but I don't know which mode! because it gives me the average of Nusselt around the cylinder!
Could you plz tell me the answer?
Thanks
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