| Quasi-static Deployment Simulation for Deployable Space Truss Structures |
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| 作者姓名： | 陈务军 付功义 何艳丽 董石麟 |
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| 作者单位： | Space Structures Research Center，Shanghai Jiaotong Univ.，Space Structures Research Center，Shanghai Jiaotong Univ.，Space Structures Research Center，Shanghai Jiaotong Univ.，Space Structures Research Center，Shanghai Jiaotong Univ. Shanghai 200030，China，Shanghai 200030，China，Shanghai 200030，China，Shanghai 200030，China |
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| 基金项目： | National Natural Science Foundation ofChina(No.10 10 2 0 10 ) |
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| 摘 要： | IntroductionDeployable space trusses have been used wide-ly in the past space missions,and attract increas-ingly the interests of researchers. The essentialcharacteristic is that the geometric configurationtransformation must meetthe limits of the payloadmodule during launch phase and primary require-ments of space mission in orbit.This poses a greatchallenge to numerical simulation. In this paper,Cartesian coordinates of the ide-alized truss nodes are assumed as variables,a newmethod is …
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| 关 键 词： | 几何约束方程 准静态展开模拟 空间展开桁架结构 边界约束 结构力学 |
Quasi-static Deployment Simulation for Deployable Space Truss Structures |
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| CHEN Wu-jun ,FU Gong-yi,HE Yan-li,DONG Shi-lin.Quasi-static Deployment Simulation for Deployable Space Truss Structures[J].Journal of Shanghai Jiaotong university,2004,9(1):26-30. |
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| Authors: | CHEN Wu-jun FU Gong-yi HE Yan-li DONG Shi-lin |
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| Institution: | Space Structures Research Center,Shanghai Jiaotong Univ.,Shanghai 200030,China |
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| Abstract: | A new method was proposed for quasi-static deployment analysis of deployable space truss structures. The structure is assumed a rigid assembly, whose constraints are classified as three categories:rigid member constraint, joint-attached kinematic constraint and boundary constraint. And their geometric constraint equations and derivative matrices are formulated. The basis of the null space and M-P inverse of the geometric constraint matrix are employed to determine the solution for quasi-static deployment analysis. The influence introduced by higher terms of constraints is evaluated subsequently. The numerical tests show that the new method is efficient. |
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| Keywords: | deployable space truss quasi-static deployment simulation geometric constraint equation |
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