Forum: OpenFOAM Running, Solving & CFD
August 22, 2014, 11:03
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Replies: 39
Views: 13,656
Hello James.
I found that the crash was...
Hello James.
I found that the crash was probably due to the high flow speeds (above mach) on the nozzle's outlet. By decreasing the inlet flow's speed, it stopped crashing. I also found some...
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Forum: OpenFOAM Running, Solving & CFD
August 21, 2014, 13:36
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Replies: 39
Views: 13,656
Great plots. This leaves no doubts about my...
Great plots. This leaves no doubts about my choice. LES might produce the results I expect. The main issue is with my setup.
I made the nozzle conic, with a radius in the end to avoid the effect...
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Forum: OpenFOAM Running, Solving & CFD
August 21, 2014, 11:36
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Replies: 39
Views: 13,656
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Forum: OpenFOAM Running, Solving & CFD
August 21, 2014, 11:07
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Replies: 39
Views: 13,656
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Forum: OpenFOAM Running, Solving & CFD
August 21, 2014, 09:47
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Replies: 39
Views: 13,656
Hello James.
I took a look at the papers you...
Hello James.
I took a look at the papers you suggested. I understood that a new solver was developed to their needs, right? What they called Runge-Kutta-4... So, I'm not really sure how this...
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Forum: OpenFOAM Running, Solving & CFD
August 20, 2014, 13:53
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Replies: 39
Views: 13,656
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Forum: OpenFOAM Running, Solving & CFD
August 20, 2014, 13:48
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Replies: 39
Views: 13,656
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Forum: OpenFOAM Running, Solving & CFD
August 20, 2014, 13:24
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Replies: 39
Views: 13,656
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Forum: OpenFOAM Running, Solving & CFD
August 20, 2014, 13:17
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Replies: 39
Views: 13,656
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Forum: OpenFOAM Running, Solving & CFD
August 20, 2014, 13:08
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Replies: 39
Views: 13,656
Hi James, thanks for your reply.
From my...
Hi James, thanks for your reply.
From my understanding, what is happening is:
the flows' start generates some pressure waves, that propagates faster then the air mass, and this waves are...
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Forum: OpenFOAM Running, Solving & CFD
August 20, 2014, 12:39
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Replies: 39
Views: 13,656
Dear Tom, thanks for your reply. It actually...
Dear Tom, thanks for your reply. It actually worked out for me. I'm able to simulate the entire time-span without a crash, and the flows is actually leaving through the outlet. But some initial waves...
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Forum: OpenFOAM Running, Solving & CFD
August 12, 2014, 12:30
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Replies: 39
Views: 13,656
Hello James.
I believe your understanding...
Hello James.
I believe your understanding and problem's complexity are quiet beyond mine, so I'm not sure I can help much, since I started one week ago.
But from yours and msarkar posts, I...
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Forum: OpenFOAM Running, Solving & CFD
August 11, 2014, 15:47
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Replies: 39
Views: 13,656
Did you manage to solve the problem? Could you...
Did you manage to solve the problem? Could you please post the solution? If possible, including the files. I'm trying to reproduce exactly the same right now, and I'm facing this beginners problems....
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