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2021•IOP Conference Series Materials Science and EngineeringOpen access

Research on flutter method for three dimensional wing rudder

Xiaoyi Zhou, Liang Li, Lan Yang, Jun Xiao, Qing-Chun Zhang

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Abstract

Abstract Aiming at providing high efficiency and accurate flutter analysis for high speed aircraft in transonic flow, flutter analysis in frequency domain based on three-dimensional wing rudder is employed for AGARD 445.6 wing. The simulation results are consistent with both experiment and reference, which validates the flutter mechanism in the subsonic and transonic regions. This simulation not only improves the accuracy of flutter analysis, but also saves calculation time and improves efficiency. Thus, it lays a foundation for high speed aircraft in transonic flow flutter prediction.

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Abstract Aiming at providing high efficiency and accurate flutter analysis for high speed aircraft in transonic flow, flutter analysis in frequency domain based on three-dimensional wing rudder is employed for AGARD 445.6 wing. The simulation results are consistent with both experiment and reference, which validates the flutter mechanism in the subsonic and transonic regions. This simulation not only improves the accuracy of flutter analysis, but also saves calculation time and improves efficiency. Thus, it lays a foundation for high speed aircraft in transonic flow flutter prediction.

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Available abstract

Abstract Aiming at providing high efficiency and accurate flutter analysis for high speed aircraft in transonic flow, flutter analysis in frequency domain based on three-dimensional wing rudder is employed for AGARD 445.6 wing. The simulation results are consistent with both experiment and reference, which validates the flutter mechanism in the subsonic and transonic regions. This simulation not only improves the accuracy of flutter analysis, but also saves calculation time and improves efficiency. Thus, it lays a foundation for high speed aircraft in transonic flow flutter prediction.

Key concepts: Flutter, Transonic, Rudder, Wing, Airfoil, Aeroelasticity, Aerospace engineering, Computer science

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