Dynamic analysis of a tensegrity-based traction structure

IF 1.5 4区 工程技术 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Heping Liu, Jinxin Lu, Fusheng Zhu, Ani Luo
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引用次数: 0

Abstract

Purpose

This study proposes a tensegrity-based traction structure with D-bar dual cable units. It is used to connect the airship and the ground to stabilize the airship.

Design/methodology/approach

The mathematical models and dynamic models of the D-bar dual cable (hereafter referred to as DD cable) unit of the tensegrity-based traction structure are established. Based on the minimum mass method, the mass of the DD cable unit in the critical state (cable member is yielding, or bar member is buckling or yielding) is analyzed. Then, the tensile strength of the DD cable unit and single cable unit under the same condition is compared using the control variate method. Finally, based on ANSYS dynamic simulation, the stability of the two structures under the same external force disturbance was tested.

Findings

Expressions for the minimum mass of the DD cable unit under different failure conditions are solved. Dynamic simulation results show that the capacity of resisting disturbance of the DD cable unit is much better than that of the single cable unit under the same wind speed. So, we find a structure more suitable for the fixed connection of an airship.

Originality/value

This study helps to provide theoretical reference and thinking for the practical application of the traction structure with a D-bar dual cable unit.

基于张弦力的牵引结构的动态分析
目的 本研究提出了一种基于张拉力的牵引结构,该结构采用 D 形杆双缆单元。设计/方法/途径 建立了基于张弦牵引结构的 D 杆双索(以下简称 DD 索)单元的数学模型和动力学模型。根据最小质量法,分析了临界状态(缆索构件屈服,或杆件屈曲或屈服)下 DD 缆索单元的质量。然后,使用控制变量法比较了相同条件下 DD 拉索单元和单拉索单元的抗拉强度。最后,基于 ANSYS 动态模拟,测试了两种结构在相同外力扰动下的稳定性。动态模拟结果表明,在相同风速下,DD 缆索单元的抗扰动能力远远优于单根缆索单元。原创性/价值 本研究有助于为 D 形杆双缆单元牵引结构的实际应用提供理论参考和思路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Engineering Computations
Engineering Computations 工程技术-工程:综合
CiteScore
3.40
自引率
6.20%
发文量
61
审稿时长
5 months
期刊介绍: The journal presents its readers with broad coverage across all branches of engineering and science of the latest development and application of new solution algorithms, innovative numerical methods and/or solution techniques directed at the utilization of computational methods in engineering analysis, engineering design and practice. For more information visit: http://www.emeraldgrouppublishing.com/ec.htm
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