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Forum: CFX

August 15, 2011, 09:28

Replies: 6

Rarefied gas

Views: 3,516

Posted By thais_b

Hi again! My Knudsen number is about 0.004...

Hi again!
My Knudsen number is about 0.004 (M=10 and Re=4000). My conditions are calculated based on air ideal gas. So the solver should work fine but in the fifth step, the solver always returns...

Forum: CFX

August 12, 2011, 17:20

Replies: 6

Rarefied gas

Views: 3,516

Posted By thais_b

Thank you Glenn. I'm gonna check this.

Thank you Glenn. I'm gonna check this.

Forum: CFX

August 11, 2011, 21:54

Replies: 6

Rarefied gas

Views: 3,516

Posted By thais_b

Thank you for you answer Glenn. Do you have any...

Thank you for you answer Glenn.
Do you have any idea when the continuum equation fails? I'm working with density of 10^-5 kg/m3 and I was suposing that this value could be the reason that causes...

Forum: CFX

August 11, 2011, 12:00

Replies: 6

Rarefied gas

Views: 3,516

Posted By thais_b

Rarefied gas

Hi!

I'm modelling a reentry vehicle in CFX and I'm working with low density gas. I'm facing a problem with overflow in all my simulations: there are few peaks of pressure near the geometry (a...

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