CFD becomes a viable tool to predict rotor airloads

Monday, April 30, 1984



Computational Fluid Dynamics (CFD) enables an accurate, first principles, solution for the flow around a helicopter rotor blade. Progress in digital computing was the key that enabled CFD to become viable. This milestone is represented by the first paper published on this subject applied to rotorcraft aerodynamics. The reference for the paper is given below,

Caradonna, F. X.; Tung, C.; and Desopper, A.: Finite Difference Modeling of Rotor Flows Including Wake Effects. Journal of the American Helicopter Society, vol. 29, no. 2, Apr. 1984, pp. 26–33.

(Note: Only the month and year for this milestone are valid)

Source:"Milestones in Rotorcraft Aeromechanics", Johnson W., NASA/TP-2011-25971, May 2011, Page 46


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