Dynamics and Strength Optimal Design of Helicopter Rotor Blades
This paper addressed the application of a multidisciplinary optimization in rotor blade section properties distribution design to enhance fatigue life of the blade structure,to reduce the blade structural weight and the blade vibratory loads,and the optimal design subjected to the con-straints on frequency displacement,aero-elastic stability and the blade inertia.Based on the opti-mization strategy in this paper,the optimal design of a practical rotor blade was achieved,and satis-fied the requirements of weight and fatigue life in engineering design.
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