Simulation study on evolution of damage information in responses of a frame structure

Pao Yue-kong Library Electronic Theses Database

Simulation study on evolution of damage information in responses of a frame structure

 

Author: Wang, Chengzhen
Title: Simulation study on evolution of damage information in responses of a frame structure
Degree: M.Sc.
Year: 2015
Subject: Structural frames -- Testing.
Steel, Structural -- Testing.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Civil and Environmental Engineering
Pages: 124 leaves : illustrations (some color) ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b2782442
URI: http://theses.lib.polyu.edu.hk/handle/200/7881
Abstract: Finite element model of a steel plane frame structure using a tool called MSSA (Multivariate Singular Spectral Analysis) is studied in this report. A finite element model of the structure is prepared in the software MATLAB. With MATLAB, dynamic response analysis is performed with the model of the structure to investigate the use of MSSA to check on the damage information in the responses. The MATLAB codes based on the finite element model (FEM) are written to do the simulation analysis of the structure. With the collected responses of both intact and damaged structure, the reconstruction time series of the frame in different damaged states using MSSA can be identified and utilized. By comparing the difference of reconstruction series before and after damage, the effect of local damages on the dynamic responses of structure can be investigated.

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