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Forum: Main CFD Forum

September 22, 2018, 14:47

Replies: 7

Mixed time step size for explicit FVM/FEM simulation

Views: 756

Posted By agd

Thanks for the heads-up. I'll take a look at...

Thanks for the heads-up. I'll take a look at these.

Forum: Main CFD Forum

September 21, 2018, 15:40

Replies: 7

Mixed time step size for explicit FVM/FEM simulation

Views: 756

Posted By agd

Not that I am aware of. Local time stepping...

Not that I am aware of. Local time stepping destroys the time accuracy of transient calculations. It may be possible to embed a type of local time stepping within a dual time step or Newton type...

Forum: Main CFD Forum

September 20, 2018, 22:39

Replies: 7

Mixed time step size for explicit FVM/FEM simulation

Views: 756

Posted By agd

What you are describing is referred to in the...

What you are describing is referred to in the literature as local time stepping. It can be used for steady state calculations, as it destroys time accuracy. But for steady state calculations it can...

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