patchExpression with alpha in OF 2.2.0 - calculate heat flux -- CFD Online Discussion Forums

April 18, 2013, 16:31	patchExpression with alpha in OF 2.2.0 - calculate heat flux	#1
RMF New Member Join Date: Aug 2012 Posts: 13 Rep Power: 13	Hello, I used the patchExpression "alpha)area()snGrad(h)" with swak4Foam to monitor the heat flux on a patch in OF 2.1.x. This worked very well. Since I have updated to OF 2.2.0 I get an error "Parser Error for driver PatchValueExpressionDriver at "1.2-3" :"field alpha not existing or of wrong type. Has anybody an idea how to acces the thermal diffusivity in OF 2.2.0 in a patchExpression? Or does anybody know another way to monitor the wallHeatFlux. Thanks RMF

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