Reconstruction of Multiple Cavity Defects in Metallic Foam from DC Potential Drop Signals

Yali Du; Shejuan Xie; Xiaojuan Wang; Zhenmao Chen; Junming Lin

doi:10.3233/978-1-61499-639-2-179

Reconstruction of Multiple Cavity Defects in Metallic Foam from DC Potential Drop Signals

Yali Du
, Shejuan Xie
, Xiaojuan Wang
, Zhenmao Chen
, Junming Lin

School of Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

1 Scopus citations

Abstract

In this paper, a numerical scheme for simulation of DC potential drop (DCPD) signal is updated at first to deal with multiple defects in order to reconstruct multiple cavities in metallic foam (MF) from measured DCPD signals. A hybrid inversion strategy combining the genetic algorithm and the steepest descent optimization method is proposed then to evaluate the size and position parameters of the multiple defects. As example, simulated signals with artificial noise are adopted to reconstruct the profile of double cavity defects. The numerical results validated the hybrid inversion strategy and the updated forward scheme for sizing the multiple defects in metallic foam.

Original language	English
Title of host publication	Electromagnetic Nondestructive Evaluation (XIX)
Editors	Tetsuya Uchimoto, Hiroaki Kikuchi, Noritaka Yusa
Publisher	IOS Press
Pages	179-186
Number of pages	8
ISBN (Electronic)	9781614996385
DOIs	https://doi.org/10.3233/978-1-61499-639-2-179
State	Published - 2016

Publication series

Name	Studies in Applied Electromagnetics and Mechanics
Volume	41
ISSN (Print)	1383-7281
ISSN (Electronic)	1879-8322

Keywords

DCPD
Metallic foam
Multiple defects
Reconstruction

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10.3233/978-1-61499-639-2-179

Cite this

Du, Y., Xie, S., Wang, X., Chen, Z., & Lin, J. (2016). Reconstruction of Multiple Cavity Defects in Metallic Foam from DC Potential Drop Signals. In T. Uchimoto, H. Kikuchi, & N. Yusa (Eds.), Electromagnetic Nondestructive Evaluation (XIX) (pp. 179-186). (Studies in Applied Electromagnetics and Mechanics; Vol. 41). IOS Press. https://doi.org/10.3233/978-1-61499-639-2-179

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abstract = "In this paper, a numerical scheme for simulation of DC potential drop (DCPD) signal is updated at first to deal with multiple defects in order to reconstruct multiple cavities in metallic foam (MF) from measured DCPD signals. A hybrid inversion strategy combining the genetic algorithm and the steepest descent optimization method is proposed then to evaluate the size and position parameters of the multiple defects. As example, simulated signals with artificial noise are adopted to reconstruct the profile of double cavity defects. The numerical results validated the hybrid inversion strategy and the updated forward scheme for sizing the multiple defects in metallic foam.",

keywords = "DCPD, Metallic foam, Multiple defects, Reconstruction",

author = "Yali Du and Shejuan Xie and Xiaojuan Wang and Zhenmao Chen and Junming Lin",

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doi = "10.3233/978-1-61499-639-2-179",

language = "英语",

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Reconstruction of Multiple Cavity Defects in Metallic Foam from DC Potential Drop Signals. / Du, Yali; Xie, Shejuan; Wang, Xiaojuan et al.
Electromagnetic Nondestructive Evaluation (XIX). ed. / Tetsuya Uchimoto; Hiroaki Kikuchi; Noritaka Yusa. IOS Press, 2016. p. 179-186 (Studies in Applied Electromagnetics and Mechanics; Vol. 41).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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AB - In this paper, a numerical scheme for simulation of DC potential drop (DCPD) signal is updated at first to deal with multiple defects in order to reconstruct multiple cavities in metallic foam (MF) from measured DCPD signals. A hybrid inversion strategy combining the genetic algorithm and the steepest descent optimization method is proposed then to evaluate the size and position parameters of the multiple defects. As example, simulated signals with artificial noise are adopted to reconstruct the profile of double cavity defects. The numerical results validated the hybrid inversion strategy and the updated forward scheme for sizing the multiple defects in metallic foam.

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PB - IOS Press

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Reconstruction of Multiple Cavity Defects in Metallic Foam from DC Potential Drop Signals

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