wallShearStress gives opposite sign -- CFD Online Discussion Forums

January 10, 2013, 04:47	wallShearStress gives opposite sign	#1
adamsinan New Member sinan Join Date: Sep 2012 Posts: 4 Rep Power: 13	Hi all, I'm simulating a flow around a structure on a rigid bed. When I used "wallShearStress" I got results, which agree very well with what expected, BUT they are in opposite sign !!? so, when multiplying by (-1), the results are correct. Could you give me any hint? Re=4*10e4 k-epsilon & k-omega-sst wall functions Thanks in advance.

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