NDLI: Coupling dynamic analysis of spacecraft with multiple cylindrical tanks and flexible appendages

Content Provider	Springer Nature Link
Author	Wu, Wen Jun Yue, Bao Zeng Huang, Hua
Copyright Year	2015
Abstract	This paper is mainly concerned with the coupling dynamic analysis of a complex spacecraft consisting of one main rigid platform, multiple liquid-filled cylindrical tanks, and a number of flexible appendages. Firstly, the carrier potential function equations of liquid in the tanks are deduced according to the wall boundary conditions. Through employing the Fourier–Bessel series expansion method, the dynamic boundaries conditions on a curved free-surface under a low-gravity environment are transformed to general simple differential equations and the rigid-liquid coupled sloshing dynamic state equations of liquid in tanks are obtained. The state vectors of rigid-liquid coupled equations are composed with the modal coordinates of the relative potential function and the modal coordinates of wave height. Based on the Bernoulli–Euler beam theory and the D’Alembert’s principle, the rigid-flexible coupled dynamic state equations of flexible appendages are directly derived, and the coordinate transform matrixes of maneuvering flexible appendages are precisely computed as time-varying. Then, the coupling dynamics state equations of the overall system of the spacecraft are modularly built by means of the Lagrange’s equations in terms of quasi-coordinates. Lastly, the coupling dynamic performances of a typical complex spacecraft are studied. The availability and reliability of the presented method are also confirmed.
Starting Page	144
Ending Page	155
Page Count	12
File Format	PDF
ISSN	05677718
Journal	Acta Mechanica Sinica
Volume Number	32
Issue Number	1
e-ISSN	16143116
Language	English
Publisher	The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences
Publisher Date	2015-09-25
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multiple liquid-filled cylindrical tanks The Fourier–Bessel series expansion method Low-gravity environment Maneuvering flexible appendages The Lagrange’s equations in terms of quasi-coordinates Theoretical and Applied Mechanics Classical Continuum Physics Engineering Fluid Dynamics Computational Intelligence
Content Type	Text
Resource Type	Article
Subject	Mechanical Engineering Computational Mechanics

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