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Forum: OpenFOAM Running, Solving & CFD

April 14, 2017, 04:55

Replies: 41

Everything you need to compute DNS in channel vs OF 2.1.0

Views: 12,037

Posted By Santiago

To clarify, "Precision" is not the correct word...

To clarify, "Precision" is not the correct word to use in this context, least to talk about the goodness of a particular approach in solving numerically the incompressible NSE; again, it's more...

Forum: OpenFOAM Running, Solving & CFD

April 14, 2017, 02:04

Replies: 41

Everything you need to compute DNS in channel vs OF 2.1.0

Views: 12,037

Posted By Santiago

Low order codes generate higher dissipation. This...

Low order codes generate higher dissipation. This due to the use of discrete CDS approximations. A simple Fourier analysis reveal the 'dampening' of waves passed through low order gradient schemes....

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