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calculating n plotting moments coefficients

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Old   June 19, 2011, 20:48
Default calculating n plotting moments coefficients
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kurniawan
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dear all....
i want to ask something...how to obtain moments coefficient on the CFD-Post?
which function can i use?i've tried using the "torque" function but the results were not as i expected. i guess it should use the "torque" function, but the choice of the axis there is only X, Y and Z.there is no choiceof the Y-axis at 1/4 chord.
what's the solution? do i have to start again from ICEM to put the center of axis at 1/4 chord or wing?

thanks before
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Old   June 20, 2011, 01:37
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Dynampally Pavitran
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  1. You can make a local coordinate frame in post at any location.
  2. Get the x,y,z co-ordinates of the 1/4th location and create the new co-ordinate frame.
  3. While calculating torque in function calculator, you can choose the new co-ordinate frame.
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Old   June 20, 2011, 09:59
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Quote:
Originally Posted by pavitran View Post
  1. You can make a local coordinate frame in post at any location.
  2. Get the x,y,z co-ordinates of the 1/4th location and create the new co-ordinate frame.
  3. While calculating torque in function calculator, you can choose the new co-ordinate frame.
ooh....
i see...i will try your suggestion. thanks a lot
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