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Old   October 31, 2007, 09:08
Default cg in Fluent
chun wee
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I want to obtain the roll, pitching, and yaw moment coefficient for the whole airplane (fuselage, wing and tail).

I need to set the cg (center of gravity) to get these values, but I don't know how. Anybody knows about this?

Another question. When we simulate a wing and set the aerodynamics center in report --> force. This moment is calculated relative to cp (center of pressure)? Does Fluent calculate the cp automatically based on the pressure distribution?

Thanks in advance.
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Old   November 1, 2007, 18:18
Default Re: cg in Fluent
Ahmed Yakyaki
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Fluent does not calculate the Xcp directly. You can calculate it from Cm and Cn which are calculated.
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