|March 8, 2013, 17:55||
Drag coefficent and Drag force
Join Date: Mar 2013
Posts: 2Rep Power: 0
I'm trying to calculate the drag coefficent and drag force on a sphere with diameter 500mm (I'm using mm as measure). My fluid is water and the Reynold coefficient is Re=0.025 and the velocity is 5.0E-5 because I need a laminar behaviour in my simulation and I used the code to put in the controlDict file. The problem that I have is the results of the drag coefficent is very big, like 1.3E+11. I'm don't know what is happenig because I have reviewed all data.
If somebody can help me, it would be terrific.
|March 22, 2013, 05:28||
Join Date: Dec 2011
Blog Entries: 41Rep Power: 6
If you have physically reasonable pressure distribution, just check Aref and Lref in forceCoeffs section of your controlDict.
Or show controlDict here at least.
practice makes perfect
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