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Analysis of the bending behavior of a cable structure under microgravity

机译:微重力作用下电缆结构的弯曲行为分析

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摘要

A cable structure is composed of several wire strands wound together. Previously, the mechanical properties of cables mainly included withstanding axial tension and torsion. However, when applied in space deployable structures, the bending behavior of cables directly affects the dynamic response of deployment under the conditions of microgravity and zero tension. Existing cable bending models and their applicable conditions are assessed in this study. 1 x 7 cable structure models are established, and finite element analysis is conducted with ABAQUS. Equivalent bending modulus is obtained at different helix angles of the cable models. The effects of contact and friction among the strands are analyzed. The calculated and theoretical results from existing models are compared. (C) 2016 Elsevier Ltd. All rights reserved.
机译:电缆结构由几根缠绕在一起的线束组成。以前,电缆的机械性能主要包括承受轴向拉力和扭转力。但是,当应用于空间可展开结构中时,电缆的弯曲行为直接影响微重力和零张力条件下展开的动力响应。在这项研究中评估了现有的电缆弯曲模型及其适用条件。建立1 x 7电缆结构模型,并使用ABAQUS进行有限元分析。在电缆模型的不同螺旋角下获得等效弯曲模量。分析了钢绞线之间的接触和摩擦的影响。比较现有模型的计算结果和理论结果。 (C)2016 Elsevier Ltd.保留所有权利。

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