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Forum: OpenFOAM Running, Solving & CFD

May 22, 2014, 07:41

Replies: 9

OpenFOAM Residuals - LES Convergence

Views: 3,275

Posted By Lieven

Hi aylalisa, I didn't add the factor 1/2...

Hi aylalisa,

I didn't add the factor 1/2 simply because it doesn't matter for the purpose you use it here. Ek is simply computed to check if it already converged to a constant value or not....

Forum: OpenFOAM Running, Solving & CFD

March 19, 2013, 02:21

Replies: 9

OpenFOAM Residuals - LES Convergence

Views: 3,275

Posted By Lieven

Isn't that exactly what I said in my previous...

Isn't that exactly what I said in my previous post

A common way to assess convergence with LES is to monitor the resolved kinetic energy in the field (= sum(U & U)). I don't know if it is the case...

Forum: OpenFOAM Running, Solving & CFD

January 13, 2013, 15:55

Replies: 9

OpenFOAM Residuals - LES Convergence

Views: 3,275

Posted By Lieven

Hi atmcfd The (initial) residuals are not a...

Hi atmcfd

The (initial) residuals are not a good indicator for the convergence for LES simulations because of the unsteadiness of the flow.
Instead, you should monitor a certain parameter which...

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