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Forum: Main CFD Forum

March 3, 2021, 15:13

Replies: 4

Residuals not converging, but staying stable and fluctuating

Views: 848

Posted By ashf9

Sure, I've attached some photos of the mesh. For...

Sure, I've attached some photos of the mesh. For some reason, Ansys won't let me use the edge sizing for one block of my grid, and I can't seem to find out why.

Forum: Main CFD Forum

March 3, 2021, 02:48

Replies: 4

Residuals not converging, but staying stable and fluctuating

Views: 848

Posted By ashf9

Ah I see thank you. I do notice Von-Karman Vortex...

Ah I see thank you. I do notice Von-Karman Vortex sheets, and the results do look quite similar to the expected values. I have noticed though that my meshing is quite inconsistent, on of the blocks...

Forum: Main CFD Forum

February 26, 2021, 04:19

Replies: 4

Residuals not converging, but staying stable and fluctuating

Views: 848

Posted By ashf9

Residuals not converging, but staying stable and fluctuating

Hi,
I am doing a hypersonic flow simulation on re-entry spacecraft, and for some reason, my residuals don't converge but rather stay stable for a while and then fluctuate (attached is a picture of...

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