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Forum: Main CFD Forum

February 20, 2014, 07:42

Replies: 4

Spatial accuracy vs. Temporal accuracy

Views: 9,975

Posted By FMDenaro

well, I am not sure what you want to say with...

well, I am not sure what you want to say with "The purpose of RK is to damp high frequency errors" ...
When the dt is fixed, you implicitly cut-off all the frequencies over pi/dt. The frequencies...

Forum: Main CFD Forum

January 25, 2014, 04:35

Replies: 4

Spatial accuracy vs. Temporal accuracy

Views: 9,975

Posted By FMDenaro

In principle, you are correct. However, high...

In principle, you are correct. However, high order time integration is expecially suited for simulation of turbulence, with LES/DNS. This is due to the fact that one wants to exclude effects of...

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