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Forum: FLUENT

September 17, 2011, 09:00

Replies: 5

larger time step brings convergence instead of smaller time step

Views: 3,021

Posted By Amir

Dear Raymond, Certainly, reducing time step...

Dear Raymond,

Certainly, reducing time step can improve temporal accuracy but in coupled form of solvers, courant No has its own effects. Although for your case the default setting is 200 which...

Forum: FLUENT

September 16, 2011, 15:12

Replies: 5

larger time step brings convergence instead of smaller time step

Views: 3,021

Posted By Amir

Dear Raymond, It's not strange! As you know,...

Dear Raymond,

It's not strange! As you know, convergency and accuracy are two different things. In linear cases, a consistent and stable case is certainly convergent but in non linear cases they...

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