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Forum: COMSOL

May 18, 2014, 04:04

Replies: 10

Time dependent solver of unsteady Navier Stokes

Views: 4,486

Posted By FMDenaro

"stabilization" is not necessary for viscous...

"stabilization" is not necessary for viscous flows provided you solve up to the viscous scales...generally, such terms comes from solution of Euler equation with the presence of shocks.
In your case...

Forum: COMSOL

May 17, 2014, 17:37

Replies: 10

Time dependent solver of unsteady Navier Stokes

Views: 4,486

Posted By FMDenaro

Are you using low order upwind schemes?

Are you using low order upwind schemes?

Forum: COMSOL

May 17, 2014, 11:20

Replies: 10

Time dependent solver of unsteady Navier Stokes

Views: 4,486

Posted By FMDenaro

what about your flow problem and Re number? Are...

what about your flow problem and Re number? Are you solving in DNS? have you numerical viscosity due to upwind?

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