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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: cdegroot

Forum: Main CFD Forum November 8, 2012, 23:01

Replies: 18 Second order upwind problem Views: 4,763 Posted By cdegroot This has nothing to do with second order upwind... This has nothing to do with second order upwind schemes. Start a new discussion.

Forum: Main CFD Forum November 8, 2012, 22:41

Replies: 18 Second order upwind problem Views: 4,763 Posted By cdegroot Start a new thread and state a more specific... Start a new thread and state a more specific question and I'm sure you will get some help.

Forum: Main CFD Forum October 29, 2012, 08:37

Replies: 18 Second order upwind problem Views: 4,763 Posted By cdegroot There should be practically no difference between... There should be practically no difference between running a second order calculation from the beginning versus using first order data as an initial guess. You are just giving it a better initial...

Forum: Main CFD Forum October 29, 2012, 07:45

Replies: 18 Second order upwind problem Views: 4,763 Posted By cdegroot Although you might need to apply a lot of... Although you might need to apply a lot of relaxation in the beginning to avoid divergence, this might be part of the reason you are experiencing convergence issues. Try using less relaxation to see...

Forum: Main CFD Forum October 26, 2012, 12:23

Replies: 18 Second order upwind problem Views: 4,763 Posted By cdegroot First order methods do generally converge better... First order methods do generally converge better than higher order methods for several reasons (more dissipative, higher order terms tend to bounce around between iterations, etc). If you want an...

Showing results 1 to 5 of 5

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