In order to study dynamics response of a launch vehicle under ground wind loads, the dynamics model of a launch vehicle erected on the pad is developed based on transfer matrix method for multibody systems and the theory of structural wind engineering. The overall transfer equation, overall transfer matrix, and characteristics equation of the system are deduced based on the automatic deduction theorem of overall transfer equation of multibody system. The equation governing the motion of the launch vehicle is obtained by using the orthogonality of augmented eigenvector. The vibration characteristics, and frequency domain and time domain dynamics response under ground wind loads of the launch vehicle are simulated. The simulation results show that the eigenfrequencies obtained by the proposed method and ordinary dynamics method have good agreements. The paper provides an effective approach to compute the dynamics response of the launch vehicle under ground wind loads.
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ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 26–29, 2018
Quebec City, Quebec, Canada
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5183-8
PROCEEDINGS PAPER
Study on Response of Launch Vehicle Under Ground Wind Loads Based on Transfer Matrix Method for Multibody Systems
Xun Wang,
Xun Wang
Nanjing University of Science and Technology, Nanjing, China
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Xiaoting Rui,
Xiaoting Rui
Nanjing University of Science and Technology, Nanjing, China
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Fufeng Yang
Fufeng Yang
Nanjing University of Science and Technology, Nanjing, China
Search for other works by this author on:
Xun Wang
Nanjing University of Science and Technology, Nanjing, China
Xiaoting Rui
Nanjing University of Science and Technology, Nanjing, China
Fufeng Yang
Nanjing University of Science and Technology, Nanjing, China
Paper No:
DETC2018-85788, V006T09A067; 8 pages
Published Online:
November 2, 2018
Citation
Wang, X, Rui, X, & Yang, F. "Study on Response of Launch Vehicle Under Ground Wind Loads Based on Transfer Matrix Method for Multibody Systems." Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6: 14th International Conference on Multibody Systems, Nonlinear Dynamics, and Control. Quebec City, Quebec, Canada. August 26–29, 2018. V006T09A067. ASME. https://doi.org/10.1115/DETC2018-85788
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