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Forum: Main CFD Forum

October 23, 2016, 16:46

Replies: 3

Flow Past a Cylinder, the Onset of Vortex Shedding

Views: 1,217

Posted By FMDenaro

Upwind schemes generate artificial viscosity......

Upwind schemes generate artificial viscosity... However, I suggest to check the solution by performing a grid refinement study

Forum: Main CFD Forum

October 23, 2016, 12:36

Replies: 3

Flow Past a Cylinder, the Onset of Vortex Shedding

Views: 1,217

Posted By FMDenaro

Using Fluent, Polyflow or other softwares means...

Using Fluent, Polyflow or other softwares means nothing if you do not consider discretization and method. Artificial viscosity is one of the main issue in such softwares and you have to minimize it....

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