Dynamic modelling and analysis of space webs

作     者：YU Yang BAOYIN HeXi LI JunFeng 

作者机构：School of Aerospace Tsinghua University Beijing 100084 China 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)

年 卷 期：2011年第54卷第4期

页      面：783-791页

核心收录：

学科分类：070801[理学-固体地球物理学] 07[理学] 08[工学] 0708[理学-地球物理学] 0816[工学-测绘科学与技术] 081202[工学-计算机软件与理论] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

主　　题：space webs finite element method cable material nonlinear constitutive relationship 

摘      要：Future space missions demand operations on large flexible structures,for example,space webs,the lightweight cable nets deployable in space,which can serve as platforms for very large structures or be used to capture orbital *** interest in research on space webs is likely to increase in the future with the development of promising applications such as Furoshiki sat-ellite of JAXA,Robotic Geostationary Orbit Restorer (ROGER) of ESA and Grapple,Retrieve And Secure Payload (GRASP) of *** high-tensioned nets in civil engineering,space webs may be low-tensioned or tensionless,and extremely flexible,owing to the microgravity in the orbit and the lack of support components,which may cause computational *** models are necessary in the analysis of space webs,especially in the conceptual design and evaluation for prototypes.A full three-dimensional finite element (FE) model was developed in this *** truss elements were adopted to reduce the computational *** cable is a compression-free material and its tensile stiffness is also variable,we introduced the cable material constitutive relationship to work out an accurate and feasible model for prototype analysis and *** the static analysis,the stress distribution and global deformation of the webs were discussed to get access to the knowledge of strength of webs with different types of *** the dynamic analysis,special attention was paid to the impact *** max stress and global deformation were *** simulation results indicate the interesting phenomenon which may be worth further research.