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September 8, 2009, 07:55
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Pitz Daily oodles pressure field problem
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#1 |
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Senior Member
Prapanch Nair
Join Date: Mar 2009
Location: Bangalore, India
Posts: 105
Rep Power: 17  |
Hi,
I was trying to run pitzDaily tutotial case under oodles (OF1.5.x). The pressure field is not making any sense to me. The pressure field is switching between +ve to negative values throughout and changing from time step to time step. I changed the fluctuation scale value in turbulentInlet boundary condition of U to (0 0 0) and then I was getting consistent pressure values. why would this happen? Is the pressure BC at the inlet wrong ? I tried oodles on an external flow sim where forces were important and I was getting similar fluctuation in field, ( drag and lift oscillating in random). Anybody has some insight on this? Thanks, Prapanj. |
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| Tags |
| fluctuation, oodles, pitzdaily, pressure, turbulentinlet |
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