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首页 > 过刊浏览>2024年第47卷第4期 >86-93. DOI:10.11835/j.issn.1000.582X.2024.04.007
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基于代理模型的输电塔半刚性节点弯矩-转角曲线预测方法
作者:
作者单位:

1.国网经济技术研究院有限公司,北京102209;2.重庆大学 土木工程学院,重庆 400045;3.哈尔滨工业大学 交通科学与工程学院,哈尔滨150090

作者简介:

刘泉(1984—)，男，高级工程师，硕士，主要从事特高压工程设计工作，(E-mail）41853374@qq.com。

通讯作者:

王涛(1992—)，男，博士(后)，(E-mail）taowang@alu.cqu.edu.cn。

中图分类号:

TM754

基金项目:

国家自然科学基金国际(地区)合作与交流项目(51611140123)；国家重点研发计划项目(2017YFC0703901, 2018YFC0809406)；重庆市博士后研究项目特别资助(2022CQBSHBT3009)。


A surrogate model-based prediction method of moment-rotation curve of semi-rigid joints in transmission towers
Author:
Affiliation:

1.State Grid Economic and Technological Research Institute Co., Ltd., Beijing 102209, P. R. China;2.School of Civil Engineering, Chongqing University, Chongqing 400045, P. R. China;3.School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China

Fund Project:

Supported by International (Regional) Cooperation and Exchange Program of the National Natural Science Foundation of China (51611140123), National Key R&D Plan Project (2017YFC0703901, 2018YFC0809406) and Special Support of Chongqing Postdoctoral Research Project (2022CQBSHBT3009).

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    摘要:

    为了准确、高效地评估输电塔半刚性节点的力学特性，提出了一种基于代理模型的输电塔半刚性节点弯矩-转角曲线预测方法，通过引入代理模型方法近似半刚性节点几何尺寸与极限抗弯承载力、初始转动刚度之间的函数关系，建立具有较高精度的预测模型，进而结合Kish-Chen幂函数模型拟合输电塔半刚性节点的弯矩-转角曲线。结果表明，提出的基于代理模型的输电塔半刚性节点弯矩-转角曲线预测方法能减少实验和数值模拟的成本，较好地模拟输电塔半刚性节点实际受力-变形情况，为输电塔半刚性节点的工程设计和理论研究提供了参考。

    Abstract:

    In order to accurately and efficiently evaluate the mechanical properties of semi-rigid joints in transmission towers, a method based on surrogate model is proposed to predict the moment-rotation relationship of the semi-rigid joints. By introducing the surrogate model method to approximate the functional relationship between the geometric dimensions, ultimate flexural capacity, and initial rotational stiffness of semi-rigid joints, a prediction model with high accuracy is established. Furthermore, the moment-rotation curves of semi-rigid joints in transmission towers are fitted using the Kish-Chen power function model. The results show that the proposed surrogate model-based prediction method for moment-rotation curves of semi-rigid joints can reduce the cost of experiments and numerical simulations, while accruately approximating the actual force-deformation relationship of semi-rigid joints in transmission towers. This method also provides valuable insights for the engineering design and theoretical research of semi-rigid joints in transmission towers.

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刘泉,李正良,彭思思,王涛.基于代理模型的输电塔半刚性节点弯矩-转角曲线预测方法[J].重庆大学学报,2024,47(4):86-93.

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  • 收稿日期:2023-06-18
  • 在线发布日期: 2024-05-06
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