airfoil

ahmednabil · June 25, 2009, 10:46

hi, i face some problems on my work on cfx for my graduation project because i couldnt find the center of pressure or finding the moment on the airfoil around its center of pressure at (0) angle of attack because i think it calculates the torques around the global axis while i want to calculate torques around the center of pressure. i would be so grateful if you replied as soon as possible. thanks

ghorrocks · June 25, 2009, 19:47

Hi,

It is a trivial matter to transpose the global axis for torque to any axis you like. Just needs a little bit of easy physics. Look in the CFX reference manual for the available CEL expressions to help you do this.

Glenn Horrocks

June 25, 2009, 10:46	airfoil	#1
ahmednabil New Member ahmed nabil mahfouz Join Date: May 2009 Posts: 6 Rep Power: 17	hi, i face some problems on my work on cfx for my graduation project because i couldnt find the center of pressure or finding the moment on the airfoil around its center of pressure at (0) angle of attack because i think it calculates the torques around the global axis while i want to calculate torques around the center of pressure. i would be so grateful if you replied as soon as possible. thanks

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June 25, 2009, 19:47		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,872 Rep Power: 144	Hi, It is a trivial matter to transpose the global axis for torque to any axis you like. Just needs a little bit of easy physics. Look in the CFX reference manual for the available CEL expressions to help you do this. Glenn Horrocks