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Forum: CFX

January 5, 2010, 04:51

Replies: 9

desperate Fatal overflow in linear solver - transient

Views: 5,208

Posted By shogologo

You can try to speed up the timestep "on the fly"...

You can try to speed up the timestep "on the fly" to understand which is the characteristic timescale.

It should depend mainly by grid size and Reynolds number.

Forum: CFX

January 4, 2010, 08:26

Replies: 9

desperate Fatal overflow in linear solver - transient

Views: 5,208

Posted By shogologo

I managed a similar type of simulation. My...

I managed a similar type of simulation.
My suggestion is to reduce timestep so to get Courant between 2 and 10 (or at least 30).

So I would try reduce to 1e-2 / 1e-3 sec...

Forum: CFX

January 4, 2010, 07:30

Replies: 9

desperate Fatal overflow in linear solver - transient

Views: 5,208

Posted By shogologo

Which Timestep did you chose?

Which Timestep did you chose?

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