Incorrect wall function BC info in User Guide -- CFD Online Discussion Forums

October 23, 2008, 11:35	In the 9^th July 200	#1
schoon New Member Johannes Schöön Join Date: Mar 2009 Location: Hamburg, Germany Posts: 3 Rep Power: 17	In the 9<sup>th</sup> July 2008 edition of the OF 1.5 User Guide, section 2.1.8.1, page U-40, it is stated that k should be given a homogeneous Dirichlet boundary condition (i.e. type fixedValue, value 0, in OF-speak), in order to activate(?) the wall law b.c. The turbFoam cavity tutorial case isn't set up like this and if I try to differ, OF slaps my fingers. It then insists that "fixedValue is the wrong k patchField type for wall-functions on patch Wall should be zeroGradient".

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