Dynamic analysis of the uncoiling process of multiple tape springs

IF 6.6 1区工程技术 Q1 ENGINEERING, CIVIL Thin-Walled Structures Pub Date : 2025-02-26 DOI:10.1016/j.tws.2025.113079

Fengyuan Liu , Minger Wu (Professor) , Ping Xiang , Jae-Yeol Kim

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Abstract

Tape springs are fundamental deployable components critical to the functionality of deployable space structures, achieving a high ratio of retraction and deployment through coiling and uncoiling mechanisms. This paper investigates the dynamic uncoiling of multiple tape springs coiled around a central hub. Accounting for the superposition of the thickness of the coiled part due to the number of tape springs and coil turns, the longitudinal section shape of the coiled part is approximated as an Archimedean spiral, and the theoretical model for the uncoiling process is established. The angular velocity and deployment time of the tape springs, along with their reaction torque on the central hub during uncoiling, are derived using the Lagrange equation. A finite element model is created using commercial software ABAQUS to simulate the dynamic uncoiling of the tape springs. Additionally, experiments are conducted utilizing a specially designed uncoiling setup within a vacuum test chamber, complemented by a high-speed image recording and processing system. Comparisons across theoretical, numerical, and experimental methods reveal strong agreement, thereby validating the accuracy of the proposed theoretical model.

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多个带式弹簧展开过程的动力学分析

胶带弹簧是可展开空间结构的基本组件，对其功能至关重要，可通过卷绕和开卷机制实现高比例的收缩和展开。本文研究了缠绕在中心轮毂上的多个带式弹簧的动态展开。考虑带簧数和线圈匝数对卷绕件厚度的叠加作用，将卷绕件的纵剖面形状近似为阿基米德螺旋，建立了开卷过程的理论模型。利用拉格朗日方程推导出了卷带弹簧的角速度和展开时间，以及卷带弹簧在中心轮毂上的反作用力。利用商业软件ABAQUS建立有限元模型，模拟带式弹簧的动态开卷过程。此外，在真空测试室中使用专门设计的开卷装置进行实验，并辅以高速图像记录和处理系统。理论、数值和实验方法之间的比较显示出强烈的一致性，从而验证了所提出的理论模型的准确性。

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.