Structural damage identification using strain mode differences by the iFEM based on the convolutional neural network (CNN)

Mengying Li,Dawei Jia,Ziyan Wu,Shumao Qiu,Wei He

Mechanical Systems and Signal Processing（2022）

引用 29|浏览7

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摘要

•A new damage identification method based on the iFEM for SHM is proposed.•Strain mode difference damage index by the iFEM shows a high damage identification accuracy.•The iFEM based on iQS4 provides a high accuracy for structural deformation reconstruction.•With the consideration of noises under different damaged conditions, the proposed damage identification method based on iFEM by CNN improves recognition efficiency.

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关键词

Damage identification,Inverse finite element method,Strain mode differences,Reconstruct deformation,Convolutional neural network

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