In traditional active flutter control, piezoelectric materials are used to increase the stiffness of the aeroelastic structure by providing an active stiffness, and usually the active stiffness matrix is symmetric. That is to say that the active stiffness not only cannot offset the influence of the aerodynamic stiffness which is an asymmetric matrix, but also will affect the natural frequency of the structural system. In other words, by traditional active flutter control method, the flutter bound can just be moved backward but cannot be eliminated. In this investigation, a new active flutter control method which can suppress the flutter effectively and without affecting the natural frequency of the structural system is proposed by exerting active control forces on some discrete points of the structure. In the structural modeling, the Kirchhoff plate theory and supersonic piston theory are applied. From the numerical results, it can be noted that the present control method is effective on the flutter suppression, and the control effects will be better if more active control forces are exerted. After being controlled by the present control method, the natural frequency of the structure remains unchanged.
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December 2018
Technical Briefs
A Method of Panel Flutter Suppression and Elimination for Aeroelastic Structures in Supersonic Airflow
Zhi-Guang Song,
Zhi-Guang Song
Dynamics and Vibrations Group,
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15,
Darmstadt 64293, Germany
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15,
Darmstadt 64293, Germany
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Tian-Zhi Yang,
Tian-Zhi Yang
Dynamics and Vibrations Group,
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Darmstadt 64293, Germany
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15
,Darmstadt 64293, Germany
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Feng-Ming Li,
Feng-Ming Li
College of Aerospace and Civil Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: lifengming@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: lifengming@hrbeu.edu.cn
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Erasmo Carrera,
Erasmo Carrera
Department of Mechanical and Aerospace Engineering,
Politecnico di Torino,
Torino 10129, Italy
Politecnico di Torino,
Corso Duca degli Abruzzi 24
,Torino 10129, Italy
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Peter Hagedorn
Peter Hagedorn
Dynamics and Vibrations Group,
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Darmstadt 64293, Germany
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15
,Darmstadt 64293, Germany
Search for other works by this author on:
Zhi-Guang Song
Dynamics and Vibrations Group,
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15,
Darmstadt 64293, Germany
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15,
Darmstadt 64293, Germany
Tian-Zhi Yang
Dynamics and Vibrations Group,
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Darmstadt 64293, Germany
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15
,Darmstadt 64293, Germany
Feng-Ming Li
College of Aerospace and Civil Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: lifengming@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: lifengming@hrbeu.edu.cn
Erasmo Carrera
Department of Mechanical and Aerospace Engineering,
Politecnico di Torino,
Torino 10129, Italy
Politecnico di Torino,
Corso Duca degli Abruzzi 24
,Torino 10129, Italy
Peter Hagedorn
Dynamics and Vibrations Group,
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Darmstadt 64293, Germany
Numerical Methods in Mechanical Engineering,
Technische Universität Darmstadt,
Dolivostr. 15
,Darmstadt 64293, Germany
1Corresponding author.
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received December 1, 2017; final manuscript received February 24, 2018; published online May 7, 2018. Assoc. Editor: Stefano Lenci.
J. Vib. Acoust. Dec 2018, 140(6): 064501 (6 pages)
Published Online: May 7, 2018
Article history
Received:
December 1, 2017
Revised:
February 24, 2018
Citation
Song, Z., Yang, T., Li, F., Carrera, E., and Hagedorn, P. (May 7, 2018). "A Method of Panel Flutter Suppression and Elimination for Aeroelastic Structures in Supersonic Airflow." ASME. J. Vib. Acoust. December 2018; 140(6): 064501. https://doi.org/10.1115/1.4039724
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