Supersonic Flutter Analysis for Aeroelastic Multibody Systems

XU Bin; ZHANG Wen; MA Jian-min

doi:10.21656/1000-0887.370114

Volume 37 Issue 10

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Article Navigation > Applied Mathematics and Mechanics > 2016 > 37(10): 1085-1099

XU Bin, ZHANG Wen, MA Jian-min. Supersonic Flutter Analysis for Aeroelastic Multibody Systems[J]. Applied Mathematics and Mechanics, 2016, 37(10): 1085-1099. doi: 10.21656/1000-0887.370114

Citation:

XU Bin, ZHANG Wen, MA Jian-min. Supersonic Flutter Analysis for Aeroelastic Multibody Systems[J]. Applied Mathematics and Mechanics, 2016, 37(10): 1085-1099. doi: 10.21656/1000-0887.370114

Citation:

XU Bin, ZHANG Wen, MA Jian-min. Supersonic Flutter Analysis for Aeroelastic Multibody Systems[J]. Applied Mathematics and Mechanics, 2016, 37(10): 1085-1099. doi: 10.21656/1000-0887.370114

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Supersonic Flutter Analysis for Aeroelastic Multibody Systems

doi: 10.21656/1000-0887.370114

¹Shanghai Institute of Mechanical and Electrical Engineering, Shanghai 201109, P.R.China;²Department of Mechanics and Engineering Science,Fudan University, Shanghai 200433, P.R.China

Funds: The National Natural Science Foundation of China(11202052)

Received Date: 2016-04-14
Rev Recd Date: 2016-05-29
Publish Date: 2016-10-15

Abstract

Abstract

The supersonic flutter of aeroelastic multibody systems was investigated. Based on the theory of multibody dynamics and the piston theory for unsteady aerodynamic forces, the governing differential algebraic equations (DAEs) for the aeroelastic multibody system were established. The supersonic flutter analysis was conducted through solution of the eigenvalue problem in the form of DAEs to discuss the stability of the perturbed motion and the equilibrium of the multibody system. The approach was used for the supersonic flutter problems of a plate wing and a wing with control surfaces. The flutter speed of the wing was obtained with the control surfaces in different positions. The agreement between the simulation results and the experimental ones shows that, the present method has high computational accuracy, and is suitable for the flutter analysis of engineering structures consisting of multiple components.
- multibody system,
- aeroelasticity,
- differential algebraic equation,
- supersonic,
- flutter

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References(24)

References

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