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April 9, 2015, 16:28 |
cavity example , boundary condition question
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#1 |
New Member
Join Date: Apr 2015
Posts: 25
Rep Power: 11 |
Hello friends,
my question is in regard to the first solved example in openFoam user guide, Cavity. why we assume that the pressure boundary condition at all walls is zero gradient ?. I mean how can we conclude to this condition from the NS equation. thanks. |
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April 9, 2015, 17:17 |
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#2 | |
Member
Eric Robertson
Join Date: Jul 2012
Posts: 95
Rep Power: 14 |
Quote:
http://www.cfd-online.com/Forums/ope...tml#post270486 |
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