Prediction of transient responses of a folding wing during the morphing process |
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| Authors: | Yonghui Zhao Haiyan Hu |
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| Institution: | 1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People''s Republic of China;2. MOE Key Laboratory of Dynamics and Control of Flight Vehicle, School of Aerospace Engineering, Beijing Institute of Technology, 100081 Beijing, People''s Republic of China;1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People?s Republic of China;2. MOE Key Laboratory of Dynamics and Control of Flight Vehicle, School of Aerospace Engineering, Beijing Institute of Technology, 100081 Beijing, People?s Republic of China |
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| Abstract: | Accurate prediction of the structural dynamic characteristics of a folding wing during the morphing process is a prerequisite for performing transient aeroelastic analysis. In view of this fact, this paper develops a set of differential-algebraic equations that govern the time evolution of the folding wing during the morphing process by using the floating frame approach. Using the established equations of motion, the transient responses of the wing during the morphing process are computed. The developed equations can be further integrated with the CFD codes to carry out the transient aeroelastic analysis of the morphing wing. |
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