基于弹塑性本构的单股钢丝绳受力分析

doi:10.3969/j.issn.1000-1093.2015.09.025

兵工学报 ›› 2015, Vol. 36 ›› Issue (9): 1782-1789.doi: 10.3969/j.issn.1000-1093.2015.09.025

基于弹塑性本构的单股钢丝绳受力分析

任志乾¹，于宗乐¹，陈循¹，王岩磊²

（1.国防科学技术大学装备综合保障技术重点实验室，湖南长沙 410073; 2.92537部队，北京 100161）

收稿日期:2014-05-27 修回日期:2014-05-27 上线日期:2015-11-20
作者简介:任志乾(1977—)男讲师
基金资助:
可靠性与环境工程技术国防科技重点实验室2014年开放基金项目(KHZS20143011)

Stress Analysis of Single-strand Wire Rope Based on Elastic-plastic Constitutive Model

REN Zhi-qian¹, YU Zong-yue¹, CHEN Xun¹, WANG Yan-lei²

（1.Science and Technology on Integrated Logistics Support Laboratory，National University of Defense Technology,Changsha 410073, Hunan, China； 2.Unit 92537 of PLA，Beijing 100161, China）

Received:2014-05-27 Revised:2014-05-27 Online:2015-11-20

摘要/Abstract

摘要： 针对单股钢丝绳在受到冲击载荷作用下的失效问题，采用有限元法开展了其结构弹塑性分析。利用钢丝绳单丝试验数据，拟合得到了相应的弹塑性本构模型参数，根据钢丝绳钢丝几何空间构型，建立了钢丝绳的三维有限元模型。在静载荷和冲击载荷下分别对钢丝绳内部钢丝的受力进行了计算，得到了在各层钢丝的Von Mises应力和等效塑性应变分布。结果表明，各层钢丝内侧接触部位的Von Mises应力和等效塑性应变均相对较大，是引发钢丝绳结构失效的关键部位。

关键词: 固体力学, 单股钢丝绳, 冲击载荷, 弹塑性分析

Abstract: In order to reveal the failure of single-strand wire rope under impact load, the structural elastic-plastic attributes are analyzed by using the dimensional finite element model (FDM). According to the experiment data and wire structure, the parameters of the elastic-plastic model are determined, and a 3D FEM is established. Von Mises stress and plastic strain of the internal wire are deduced by calculating the static loading and impact loading. The results show that the Von Mises stress and plastic strain of the contact area are bigger than those of other areas, which is the main reason for the rope break.

Key words: solid mechanics, single-strand wire rope, impact loading, elastic-plastic analysis

中图分类号:

TH142

任志乾，于宗乐，陈循，王岩磊. 基于弹塑性本构的单股钢丝绳受力分析[J]. 兵工学报, 2015, 36(9): 1782-1789.

REN Zhi-qian, YU Zong-yue, CHEN Xun, WANG Yan-lei. Stress Analysis of Single-strand Wire Rope Based on Elastic-plastic Constitutive Model[J]. Acta Armamentarii, 2015, 36(9): 1782-1789.

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基于弹塑性本构的单股钢丝绳受力分析

Stress Analysis of Single-strand Wire Rope Based on Elastic-plastic Constitutive Model

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