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IssuesArchive of Issues2024-3pp.1672-1688

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Teng Wenxiang, Qian Cheng, Yan Leilei, Shen Gang, Liu Pengyu, He Jipeng, and Wang Cheng, "Research on Application of Backpropagation Neural Network in Damage Detection of the Refined Plate Model," Mech. Solids. 59 (3), 1672-1688 (2024)
Year 2024 Volume 59 Number 3 Pages 1672-1688
DOI 10.1134/S0025654424603392
Title Research on Application of Backpropagation Neural Network in Damage Detection of the Refined Plate Model
Author(s) Teng Wenxiang (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China; Mining Intelligent Technology and Equipment Provinces and Ministries jointly build a Collaborative Innovation Center, Anhui University of Science and Technology, Huainan, 232001 China, wxtengcumt@163.com)
Qian Cheng (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China, 18326691883@163.com)
Yan Leilei (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China; Mining Intelligent Technology and Equipment Provinces and Ministries jointly build a Collaborative Innovation Center, Anhui University of Science and Technology, Huainan, 232001 China)
Shen Gang (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China; Mining Intelligent Technology and Equipment Provinces and Ministries jointly build a Collaborative Innovation Center, Anhui University of Science and Technology, Huainan, 232001 China)
Liu Pengyu (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China)
He Jipeng (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China)
Wang Cheng (Anhui University of Science and Technology, Huainan, 232001 China; State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001 China)
Abstract Artificial intelligence has been widely used in engineering. In this paper, we propose to combine the backpropagation neural network (BPNN) with the refined plate model based on Carrera Unified Formula (CUF) to advance the development of damage detection. The prediction model is built by utilizing the error back propagation function of the neural network. In addition, MATLAB uses Taylor’s interpolation algorithm and lower degrees of freedom yet achieves the same accuracy as ANSYS, and the improved plate model accurately reproduces the mechanical properties of the metal plate. A database is then built based on the mechanical model to detect the location of damaged elements and node displacements. The nodal displacements were used as inputs while the locations of damaged elements were used as training outputs for the neural network. The effectiveness of the proposed method was verified through various damage scenarios. The results show that the method can accurately predict individual damage locations based on node displacements alone. The neural network combined with the plate model achieved a detection accuracy of 91% with a regression coefficient of 0.95.
Keywords damage detection, backpropagation neutral network (BPNN), carrera unified formulation (CUF), higher-order finite element
Received 17 April 2024Revised 08 July 2024Accepted 09 July 2024
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