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-   -   CFL (http://www.cfd-online.com/Forums/fluent/47425-cfl.html)

thuy February 25, 2008 08:00

CFL
 
Hi, I simulated my model with the adaptive time stepping. I'd like to know the value of CFL. How can I do ? Thanks

Ramesh. K March 14, 2008 04:05

Re: CFL
 
cfl is the ratio of fluidspeed to grid speed, and it should be in between 0 and 1 so you will be knowing the speed of the fluid u are using and the grid size choose an appropriate time step such that u get cfl in this range


thuy March 14, 2008 04:59

Re: CFL
 
Hi, Thanks for your reponse, Remesh. I agree with you about the CFL's definition. But I'd like to know the values of CFL which are provided by Fluent. Finally, I found them. In case you need the values, you can find them in :Contours--> Velocity--> Cell Courant Number.

Thuy



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