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Forum: FLUENT

May 22, 2015, 09:52

Replies: 9

Von-Karman vortex street - Reynolds number range

Views: 5,571

Posted By FMDenaro

Of course, DNS is always 3D apart some specific...

Of course, DNS is always 3D apart some specific geophysical 2D DNS simulations.

As the feasibility of a DNS on a cylinder at Re=10^4 is concerned, I based my assumption on the fact that DNS of...

Forum: FLUENT

May 21, 2015, 17:45

Replies: 9

Von-Karman vortex street - Reynolds number range

Views: 5,571

Posted By FMDenaro

if the grid is sufficiently fine (cell Reynolds...

if the grid is sufficiently fine (cell Reynolds O(1)) you can consider that the DNS apporoach that does not require any turbulence model.

Forum: FLUENT

May 21, 2015, 15:05

Replies: 9

Von-Karman vortex street - Reynolds number range

Views: 5,571

Posted By FMDenaro

Well, a couple of comments from the picture ......

Well, a couple of comments from the picture ... you are modelling the turbulence via (U)RANS approach but the solution you computed is statistically steady. That means you would accept that...

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