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December 1, 2008, 11:23 |
FLUENT VOF for ship's hull
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#1 |
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Hi everyone, I'm trying to simulate the flow around ship and I use multiphase flow VOF in FLUENT for analize this type of problem. I use a fully hexa mesh with high qualty ( determinant 3x3 from 0.6 to 1) generated with ICEM CFD
My setting is Reynolds Stress Model, VOF Implicit with open channell formulation, seady state I've tryied a k-w SST viscous model too. I have some problem about this simulation: 1) My simulation diverge with k-w SST, and with the RSM i need to decrease more the under relaxation factor (0.15 max) 2) If i try to simulate a case with y+=50 or less, after 200 iteration the simulation diverge. What can i do?? What type of setting is required?? If someone have any information or solution fot this type of problem please send me at my email : simone.bartesaghi@alice.it Thank's for attention. regards, simone |
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