OPTIMIZATION OF THE COMMUTER AIRCRAFT WING STIFFNESS CHARACTERISTICS CONSIDERING REQUIREMENT OF AEROELASTIC STABILITY AT THE CERTIFICATION SPEED

Abstract eng:
The submitted paper deals with aeroelastic optimization. It gives a summary of theory with special regard to the aeroelasticity. Main part describes optimization of the aircraft wing stiffness characteristics to ensure the flutter stability below the certification speed. The problem is represented by the wing tip tank filling, which causes significant change of the modal characteristics and so the flutter stability characteristics. The task aim is to ensure flutter stability below the certification speed for whole range of the tip tank filling.

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