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Forum: Main CFD Forum

July 19, 2013, 05:26

Replies: 7

steady for unsteady flow?

Views: 1,671

Posted By Shenren_CN

Thanks. I see. This approach probably will give...

Thanks. I see. This approach probably will give me a better estimate
of the ctirical Re number. Then again, why using the explicit solver and
the Re number found by checking whether it converges or...

Forum: Main CFD Forum

July 19, 2013, 05:06

Replies: 7

steady for unsteady flow?

Views: 1,671

Posted By Shenren_CN

Okay, then it's a different approach, and...

Okay, then it's a different approach, and essentially you are saying I should use an unsteady solver. Maybe there is a fundamental problem with my approach of using only steady solver, I will think...

Forum: Main CFD Forum

July 19, 2013, 04:34

Replies: 7

steady for unsteady flow?

Views: 1,671

Posted By Shenren_CN

Hi Filippo. I think what I did is the same...

Hi Filippo.

I think what I did is the same as what you proposed. I used a (pseudo) time-marching scheme and change the Re number until it does not converge.

My explicit solver uses...

Forum: Main CFD Forum

July 19, 2013, 04:22

Replies: 7

steady for unsteady flow?

Views: 1,671

Posted By Shenren_CN

steady for unsteady flow?

Hello,

I have a quite fundamental question about using steady flow solver on (physically) unsteady flow.

Let's take the example of laminar flow around cylinder, and I want to find the...

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