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September 8, 2012, 06:27 |
Negative absolute pressure
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#1 |
New Member
Jack B.
Join Date: Apr 2009
Posts: 24
Rep Power: 17 |
Hello all,
I've a question regarding negative absolute pressure values I get in the flow field and their meaning. I ran an incompressible transient laminar flow past a circular cylinder with zero reference pressure. When I check the variation of absolute pressure in certain points close to the cylinder, I get negative values. I should add the problem is not physically well defined in means of density, visocisty etc., but rather theoretic. Although negative values of abolute pressure are not physical as far as I know, can I trust those values? Thanks, Jack |
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