Defining a streamwise and a normal cordinate system -- CFD Online Discussion Forums

July 1, 2010, 18:45	Defining a streamwise and a normal cordinate system	#1
sdwijeya New Member Sameera Wijeyakulasuriya Join Date: Aug 2009 Posts: 12 Rep Power: 17	Can anyone let me know how to define a streamwise and a normal cordinate system for a flow with large curvatures?

July 2, 2010, 08:43		#2
RobertB Senior Member Robert Join Date: Jun 2010 Posts: 117 Rep Power: 17	One possible solution is to particle track in the flow. You can then go from tracks to vertices (PTVERT). The vertices can then be used to for the z axis in a VLOCAL command. PSYS can then be used to get the vector quantities.

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