Structural Damage Detection Using Convolutional Neural Networks Based on Modal Strain Energy and Population of Structures

Author:

Zhang Jiqiao1,Jin Zihan1,Teng Shuai1,Chen Gongfa1,Cui Fangsen2

Affiliation:

1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, P. R. China

2. Institute of High Performance Computing, A*STAR (Agency for Science, Technology and Research), Singapore 138632, Republic of Singapore

Abstract

A convolutional neural network (CNN)-based structural damage detection (SDD) method using populations of structures and modal strain energy (MSE) is proposed. In this study, sufficient samples of the CNN are provided by numerical simulations, and the size of the model can be changed by modifying the coordinates of some nodes, thereby establishing a series of numerical models (i.e., a population). Finally, three groups are investigated, the effects of multiple indices on damage detection based on population are compared. The results demonstrate that the MSE as a damage index is superior to the other indices.

Funder

Guangdong Province High Level University Construction for the Guangdong University of Technology

College Student Innovation Training Program of the Guangdong University of Technology

Publisher

World Scientific Pub Co Pte Ltd

Subject

Computational Mathematics,Computer Science (miscellaneous)

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