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Forum: Main CFD Forum

January 27, 2012, 15:16

Replies: 7

Newbie: CFL criterion--can I violate it to make my code run faster?

Views: 2,016

Posted By Martin Hegedus

That will help! (Edit: That=parallelize code) ...

That will help! (Edit: That=parallelize code)

There is one other trick you can play. Unfortunately I don't exactly know the title for it. It's usually referred to as an implicit solver with sub...

Forum: Main CFD Forum

January 27, 2012, 12:59

Replies: 7

Newbie: CFL criterion--can I violate it to make my code run faster?

Views: 2,016

Posted By Martin Hegedus

Sorry, the story may be more depressing then...

Sorry, the story may be more depressing then that. There are two aspects to the problem, accuracy and stability. Stability is black and white. The code either blows up or it doesn't. The CFL...

Forum: Main CFD Forum

January 27, 2012, 12:21

Replies: 7

Newbie: CFL criterion--can I violate it to make my code run faster?

Views: 2,016

Posted By Martin Hegedus

In general, an overall CFL number is used for...

In general, an overall CFL number is used for steady state answers. (CFL can be used for a Newtonian outer loop for implicit methods, but maybe beyond the requirement of this discussion) In this...

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