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Forum: OpenFOAM Running, Solving & CFD

January 10, 2013, 10:10

Replies: 29

How to choose the right courant number?

Views: 150,618

Posted By MadsR

Traib, I am not sure I understand your...

Traib,

I am not sure I understand your question. I don't think explosions, per say, needs low Courant numbers, as it of course also depends on your mesh, but they sure needs low time-steps...

Forum: OpenFOAM Running, Solving & CFD

January 10, 2013, 03:10

Replies: 29

How to choose the right courant number?

Views: 150,618

Posted By MadsR

Dear Zaynah, troubleshooting convergence...

Dear Zaynah,

troubleshooting convergence problems can be easy or very, very hard, especially through a forum :)
You don't reveal enough information for anyone to help you out I think. I think...

Forum: OpenFOAM Running, Solving & CFD

October 29, 2009, 03:50

Replies: 29

How to choose the right courant number?

Views: 150,618

Posted By MadsR

Hi Vitor. The Courant/CFL number (wiki here...

Hi Vitor.

The Courant/CFL number (wiki here (http://en.wikipedia.org/wiki/Courant%E2%80%93Friedrichs%E2%80%93Lewy_condition)) depends, as you probably know, on velocity, cell-size and time step...

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