# rotating airfoil

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 January 23, 2008, 17:10 rotating airfoil #1 Usman Guest   Posts: n/a Hi, i have coordinates for my airfoil at 0 angle of attack. How can i find its coordinates at 6 degree angle of attack. Please note i dont wanna change inlet velocity i wanna actually draw my rotated airfoil and then mesh it. Any input will be appreciated. Thanks Usman

 January 24, 2008, 11:13 Re: rotating airfoil #2 cfd-newbie Guest   Posts: n/a http://en.wikipedia.org/wiki/Rotation_(mathematics) Or search on Google for "rotation matrix". An Analytical Geometry book will help ...

 January 24, 2008, 13:00 Re: rotating airfoil #3 Usman Guest   Posts: n/a Thank you newbie. Usman

 January 25, 2008, 07:06 Re: rotating airfoil #4 Ramesh. K Guest   Posts: n/a Hi, Just do the jacobian of the co-ordinate axis. in 2d it will be cos sin -sin cos of the angle between the two axes but It doesnot make any difference if the coordinates are changed keeping velocity constant or change the velocity bye appropriate angle bye

 January 26, 2008, 13:29 Re: rotating airfoil #5 Usman Guest   Posts: n/a Thanks Ramesh!

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