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Forum: Main CFD Forum

July 30, 2015, 10:11

Replies: 2

Carbuncle phenomenon for blunt body flow on unstructured grid

Views: 3,021

Posted By praveen

I could not get carbuncle on purely unstructured...

I could not get carbuncle on purely unstructured grids. If you use structured grids which are triangulated, you may get carbuncle. As you said, the shock has to be aligned with the grid lines to see...

Forum: Main CFD Forum

June 13, 2012, 01:03

Replies: 2

Carbuncle phenomenon for blunt body flow on unstructured grid

Views: 3,021

Posted By praveen

Carbuncle phenomenon for blunt body flow on unstructured grid

Roe scheme is known to suffer from carbuncle phenomenon for blunt body flows like hypersonic flow over a cylinder. I have seen numerical results on structured grids that exhibit carbuncle. But has...

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