Damage identification of bridge crane metal structure based on mode shape curvature and RSM

被引：0
|
作者：
Tong, Yifei [1 ]
Zhong, Meng [1 ]
Zhang, Xu [2 ]
Li, Xiangdong [3 ]
机构：
[1] Nanjing University of Science and Technology, China
[2] AECC SOUTH INDUSTRY CO., LTD, China
[3] Jiangsu Province Special Equipment Safety Supervision Inspection Institute, China
来源：
UPB Scientific Bulletin, Series D: Mechanical Engineering | 2019年 / 81卷 / 03期
关键词：
Damage detection - Cranes - Surface properties - Numerical methods;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In order to maintain the integrity and safety of crane metal structure, a damage identification method based on mode shape curvature and response surface methodology (RSM) is proposed in this paper. Basically, mode curvature method is used to identify damage location. Then the central composite design method is selected to establish quadratic response surface for identification of damage severity. Finally, numerical simulation of a QD50/10-31.5A5 universal bridge crane is conducted to verify the proposed method. The results show that the proposed method can identify multiple damage of the structure accurately with improved identification efficiency due to the application of RSM. © 2019, Politechnica University of Bucharest. All rights reserved.
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页码：127 / 140
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