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Center of Pressure Value

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Old   October 3, 2014, 16:42
Default Center of Pressure Value
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tahir
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I am doing a analysis on 105mm shell. i want to calculate center of pressure for mach no 2 with a0a ranges from -10 to +10. I use two types of hybrid grid. the one whose Y+ is 1 the CP comes very much low but when i run grid of Y+ 200 the value of CP come close to experimental values but drag and lift coefficient vary.
I use reference pressure of 1atm. can some one help me
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Old   October 5, 2014, 08:22
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Old   October 7, 2014, 10:51
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Thanks for quick reply
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