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Forum: Main CFD Forum

January 18, 2012, 03:53

Replies: 5

2nd order (convection) schemes

Views: 1,495

Posted By Ford Prefect

Hey cfdnewbie, Tnx for the reply. 2nd order...

Hey cfdnewbie,

Tnx for the reply. 2nd order upwind schemes have the same leading term as CD. Perhaps you are thinking of 1st order upwind schemes in your reasoning?
I also stated that we have a...

Forum: Main CFD Forum

January 17, 2012, 15:26

Replies: 5

2nd order (convection) schemes

Views: 1,495

Posted By Ford Prefect

Hey cfdnewbie! Well I have not made any...

Hey cfdnewbie!

Well I have not made any direct comparisons myself, and admittedly I have only one reference where they compare a QUICK and CD scheme against each other. The QUICK scheme comes out...

Forum: Main CFD Forum

January 17, 2012, 14:52

Replies: 5

2nd order (convection) schemes

Views: 1,495

Posted By Ford Prefect

2nd order (convection) schemes

Hello,

I would like to discuss the reasons behind upwind biased 2nd order schemes having higher accuracy than the central difference scheme (while below the Peclet number restriction for the CD...

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