黏弹性薄膜太阳帆自旋展开动力学分析

赵将; 刘铖; 田强; 胡海岩

doi:10.6052/0459-1879-13-002

黏弹性薄膜太阳帆自旋展开动力学分析

doi: 10.6052/0459-1879-13-002

赵将¹,
刘铖²,
田强²,
胡海岩^1,2, ,

1.
南京航空航天大学机械结构力学及控制国家重点实验室, 南京 210016
2. 北京理工大学宇航学院飞行器动力学与控制教育部重点实验室, 北京 100081

基金项目: 国家自然科学基金资助项目(51075032, 11002022).

详细信息

通讯作者:
胡海岩,教授,主要研究方向:飞行器结构动力学与控制、非线性动力学等.E-mail:haiyan_hu@bit.edu.cn

中图分类号: O313.7
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出版历程
- 收稿日期: 2013-01-04
- 修回日期: 2013-03-10
- 刊出日期: 2013-09-18

DYNAMIC ANALYSIS OF SPINNING DEPLOYMENT OF A SOLAR SAIL COMPOSED OF VISCOELASTIC MEMBRANES

1.
State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2. MOE Key Lab of Dynamics and Control of Flight Vehicles, School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China

Funds: The project was supported by the National Natural Science Foundation of China (51075032, 11002022).

摘要

摘要: 近年来, 可用于航天器推进的太阳帆自旋展开技术引起人们广泛关注. 这类太阳帆可视为由中心旋转毂轮、若干柔性绳索、太阳帆薄膜和集中质量等组成的刚柔耦合多体系统.为了对系统中的太阳帆薄膜进行建模, 提出了基于绝对节点坐标方法描述的黏弹性薄板单元, 并对其有效性进行了验证.针对简化的"IKAROS"自旋展开太阳帆系统, 采用结合自然坐标方法与绝对节点坐标方法的绝对坐标方法对其进行建模, 采用广义-α方法对大规模系统动力学方程进行求解.研究了黏弹性太阳帆薄膜自旋展开过程的动力学特性, 讨论了薄膜的黏弹性阻尼对自旋展开过程的影响规律.
- 太阳帆 /
- 自旋展开 /
- 黏弹性 /
- 绝对坐标方法
Abstract: In recent years, increasing attention has been paid to the spinning deployment technology of solar sails for spacecraft. Such a solar sail can be regarded as a rigid-flexible multibody system mainly composed of a central rotating hub, a number of flexible thin tethers, sail membranes and tip masses. In order to model the sail membrane, a viscoelastic finite element of thin plate is proposed via the absolute nodal coordinate formulation (ANCF) and the efficacy of the finite element is testified first. Then, a simplified spinning deployable "IKAROS" model is established by using the absolute-coordinate-based (ACB) method in combination with ANCF and the natural coordinate formulation (NCF). Afterwards, a large set of stiff equations of system dynamics is solved by using the Generalized-α method. Therefore, the deployment dynamics of the system is well analyzed and the influence of the viscoelastic damping in the membranes on the deployment dynamics is discussed.
- solar sail /
- spinning deployment /
- viscoelasticity /
- absolute-coordinate-based (ACB) method

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参考文献(22)

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