Is C0 the upstream cell in Fluent? -- CFD Online Discussion Forums

October 30, 2009, 10:31	Is C0 the upstream cell in Fluent?	#1
bigfans New Member realworld Join Date: Apr 2009 Posts: 16 Rep Power: 17	C0 and C1 are telled by the face normal vector. But upstream/downstream are telled by the normal face velocity. So they are different. Am I right? If I am right, how does Fluent tell which is the upstream cell to calculate the convective item using upwind scheme (flux comes in or goes out)? Thanks

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