[1]高志刚,苏三庆,王 威,等.带缺陷钢丝绳拉伸力-磁耦合数值模拟[J].西安科技大学学报,2019,(04):76-83.[doi:10.13800/j.cnki.xakjdxxb.2019.0410]
 GAO Zhi-gang,SU San-qing,WANG Wei,et al.Numerical simulation of force-magnetic coupling for the stretched steel wire rope with defects[J].Journal of Xi’an University of Science and Technology,2019,(04):76-83.[doi:10.13800/j.cnki.xakjdxxb.2019.0410]
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带缺陷钢丝绳拉伸力-磁耦合数值模拟(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2019年04期
页码:
76-83
栏目:
出版日期:
2019-07-30

文章信息/Info

Title:
Numerical simulation of force-magnetic coupling for the stretched steel wire rope with defects
文章编号:
1672-9315(2019)04-0626-08
作者:
高志刚1苏三庆2王 威2马小平2
(1.西安科技大学 建筑与土木工程学院,陕西 西安 710054; 2.西安建筑科技大学 土木工程学院,陕西 西安 710055)
Author(s):
GAO Zhi-gang1SU San-qing2WANG Wei2MA Xiao-ping2
(1.College of Architecture and Civil Engineering,Xi’an University of Science and Technology,Xi’an 710054,China; 2.College of Civil Engineering,Xi’an University of Architecture and Technology,Xi’an 710055,China)
关键词:
带缺陷钢丝绳 有限单元法 数值模拟 金属磁记忆信号 力-磁耦合
Keywords:
wire rope with defects finite element method numerical simulation metal magnetic memory force-magnetic coupling
分类号:
TG 356.45; TD 115.284
DOI:
10.13800/j.cnki.xakjdxxb.2019.0410
文献标志码:
A
摘要:
金属磁记忆作为一种新兴的钢丝绳无损检测技术,可对钢丝绳应力集中及缺陷部位进行定位,但对其应力状态及损伤程度的量化关系研究不足。为探究带缺陷钢丝绳拉伸状态下应力与金属磁记忆信号之间的联系规律,将缺陷诱发的钢丝绳损伤判别视为钢丝绳应力变化导致磁记忆信号改变的问题。基于磁机械效应及力磁耦合理论,考虑弹性阶段及塑性阶段磁特性参数(磁导率、矫顽力)随铁磁构件应力变化的不同规律,创新性地提出考虑磁导率和矫顽力影响的力-磁耦合修正模型。采用ANSYS有限元模拟软件,对带缺陷的1×7型单股钢丝绳进行静力场计算和环境磁场共同作用下的三维静磁场计算,利用力-磁耦合修正模型对两种物理场进行力-磁耦合。通过与试验结果进行对比分析,发现改进的模型可以较好地分析钢丝绳的力-磁耦合模拟问题,为以数值模拟为手段的钢丝绳拉伸应力与损伤量化关系研究方法奠定了基础。
Abstract:
As a new nondestructive testing technology,metal magnetic memory testing can locate the stress concentration and defect location of wire rope,but the quantitative study of the relationship between stress state and damage degree is insufficient.To explore the relationship between the stress and metal magnetic memory signal of stretched wire rope with defects,the identification of wire rope damage induced by defects and broken wires is considered as the problem of magnetic memory signal change caused by stress change of wire rope.Based on the theory of magnetic mechanical effect and force-magnetic coupling,the modified model of force-magnetic coupling is proposed innovatively with the different rules in mindof magnetic characteristic parameters(permeability and coercivity)varying with the stress of ferromagnetic components in elastic and plastic stages.ANSYS finite element simulation software is used to calculate the stretched single strand of 1×7 wire rope with defects in the static loading field and the static magnetic field.Then the two physical fields on magneto-mechanical coupling was analyzed directly.Compared with the results of test,it is found that the equivalent force on the surface of the wire rope increases gradually with the increase of the load,and the stress at the defect location increases obviously.Finally,this study further proves the modified model of force-magnetic coupling proposed can well analyze the force-magnetic coupling simulation of steel wire rope and lay a foundation for the research on quantitative relationship between stretched stress and damage of steel wire rope by means of numerical simulation.

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备注/Memo

备注/Memo:
收稿日期:2018-06-04 责任编辑:李克永基金项目:国家自然科学基金(5187848,51578449); 陕西省自然科学基础研究重点项目(2018JZ5013)第一作者:高志刚(1977-),男,陕西西安人,博士,讲师,E-mail: gaozhigang@xust.edu.cn通信作者:苏三庆(1961-),男,陕西户县人,教授,博士生导师,E-mail:sussq@sauat.com高志刚,苏三庆,王 威,等.带缺陷钢丝绳拉伸力-磁耦合数值模拟[J].西安科技大学学报,2019,39(4):626-633.GAO Zhi-gang,SU San-qing,WANG Wei,et al.Numerical simulation of force-magnetic coupling for thestretched steel wire rope with defects[J].Journal of Xi’an University of Science and Technology,2019,39(4):626-633.
更新日期/Last Update: 1900-01-01