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August 22, 2016, 14:24
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Configurations of Boundary Conditions
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#1 |
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Senior Member
Join Date: Aug 2014
Posts: 160
Rep Power: 11  |
Can anyone tell me what does it means a "robust" boundary conditions, as velocity/mass flow at an inlet and static pressure at an outlet ?
Thank you very much. |
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August 22, 2016, 19:53
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#2 |
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Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,703
Rep Power: 143 |
It is referring to numerical stability. If you have velocity at an inlet and static pressure at an outlet it is quite numerically stable (in other words the simulation is robust) and has a good chance of converging. If you have a pressure inlet and a pressure outlet it is much less numerically stable and might not converge (in other words it is not robust).
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August 22, 2016, 21:07
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#3 |
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New Member
Join Date: Aug 2016
Posts: 17
Rep Power: 9 |
there are recommended configurations of boundary conditions in the modeling guide.
ImageUploadedByCFD Online Forum1471914430.006658.jpg |
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