|February 28, 2011, 07:32||
[CFD-Post] Calculating aircraft moments
Join Date: Jul 2009
Posts: 456Rep Power: 14
Just need a sanity check for calculating an aircraft moments in CFD-Post.
I've simulated an aircraft half-model since the port starboard are symmetrical. The global co-ord frame is at some arbitary upstream of the aircraft on the symmetry plane. I made a local co-ord frame at the required position on the aircraft. For both co-ord frames:
x is postive aftwards
y is positive to starboard
z is positive upwards
So I've used the expression:
torque_y_Coordinate Frame 1@()Aircraft
for the pitching moment. Likewise torque_x_ for rolling and torque_z_ for yawing moments.
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