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January 24, 2007, 08:02	UDS	#1
Martin Guest Posts: n/a	Hi! I´m a cfd novice. Could you please shortly explain what Upwind Differencing Scheme (UDS) means? As far as I´ve understood, it´s simply the taylorseries that leads from the timelevel n to the timelevel n+1. It is from 1st order, so this leads to numerical viscosity, right? In the BCTS you first use the UDS in time and then the CDS in space, right? Thank you for helping! Martin

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