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What is the difference between SG normal force and sg force in FLOW?

Question asked by Clayton Fox on Dec 1, 2019
Latest reply on Dec 3, 2019 by Bill McEachern

I am running a SW FLOW 2019 solution for a fuselage, wing, and empennage for Sea Level standard day conditions at 160 knots airspeed and various angles of attack to derive total lift, drag, and pitching moment forces on the aircraft.  I am using Surface Goals over the entire aircraft, and also for the wing alone, HT alone, and fuselage alone to get component loads.  I am varying the angles of attack for each run. 

 

What is the difference in the Goals final results between SG Normal Force (X), SG Force (X), and SG Friction Force (X) in the results?  Same question for Y and Z force goals.

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