| 基于能量动量方法的空间薄膜结构的展开分析 |
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| 引用本文： | 肖潇,关富玲,程亮.基于能量动量方法的空间薄膜结构的展开分析[J].工程力学,2011(4):122-127. |
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| 作者姓名： | 肖潇 关富玲 程亮 |
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| 作者单位： | 南华大学城市建设学院;浙江大学空间结构研究中心; |
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| 基金项目： | 民用航天科研预先研究项目(C1320060312) |
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| 摘 要： | 基于能量、动量以及动量矩(角动量)守恒定律,该文对传统的拉格朗日方程进行了修正,将能量动量法应用于空间薄膜结构的展开分析中,该方法不仅保证了计算的精度和数值积分的稳定,而且在薄膜的非线性变形分析中,将小刚度模型引入薄膜的褶皱松弛分析,同时考虑了气体的热力学性能、气体与薄膜的耦合作用以及薄膜的自接触等问题.通过对充气管的...
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| 关 键 词： | 空间结构 展开动力学 能量动量法 薄膜 展开分析 |
ENERGY-MOMENTUM BASED APPROACH FOR DEPLOYMENT ANALYSIS OF SPACE MEMBRANE STRUCTURES |
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| XIAO Xiao,GUAN Fu-ling,CHENG Liang.ENERGY-MOMENTUM BASED APPROACH FOR DEPLOYMENT ANALYSIS OF SPACE MEMBRANE STRUCTURES[J].Engineering Mechanics,2011(4):122-127. |
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| Authors: | XIAO Xiao GUAN Fu-ling CHENG Liang |
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| Affiliation: | XIAO Xiao1,GUAN Fu-ling2,CHENG Liang2(1.School of Urban Construction,Nanhua University,Hengyang 421001,China,2.Space Structures Research Center,Zhejiang University,Hangzhou 310058,China) |
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| Abstract: | The energy-momentum method based on a modifying conventional Lagrange equation and the conservation of energy/momentum and angular momentum is applied for the deployment analysis of space membrane structures,and it achieves computation accuracy and the unconventionally stable time integration.During non-linear deformation analysis,a stiffness reduction model of membrane wrinkle and slack is introduced,and the thermodynamic property of gas,the interaction between gas and membrane,self-contact of the membrane... |
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| Keywords: | space structures deployment dynamics energy-momentum method membrane deployment simulation |
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