Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals

Shejuan Xie; Toshiyuki Takagi; Tetsuya Uchimoto; Zhenmao Chen; Li Wang

doi:10.3233/978-1-61499-092-5-85

Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals

Shejuan Xie, Toshiyuki Takagi, Tetsuya Uchimoto, Zhenmao Chen, Li Wang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

In this paper, an efficient forward numerical simulation solver for pulsed eddy current testing (PECT) signals has been proposed and developed based on the Fourier series method combined with an interpolation strategy and the database approach. Initially, the PECT signal simulation method based on the Fourier series scheme and an interpolation approach is described. Second, the database type fast numerical solver for single frequency ECT problem is introduced to the Fourier-series-based PECT simulation to enhance its simulation efficiency. In addition, an inversion algorithm of PECT has also been proposed and validated, based on the developed efficient simulator of PECT signals and a deterministic optimization strategy, for the profile reconstruction of wall thinning in pipes of nuclear power plants (NPPs). Through inverse analysis using the simulated PECT signals and signals with random noise, the efficiency and the robustness of the proposed PECT inversion algorithm have been demonstrated.

Original language	English
Title of host publication	Simulation and Modeling Related to Computational Science and Robotics Technology. Proceedings of SiMCRT 2011
Editors	Fumio Kojima, Futoshi Kobayashi, Hiroyuki Nakamoto
Pages	85-99
Number of pages	15
DOIs	https://doi.org/10.3233/978-1-61499-092-5-85
Publication status	Published - 2012

Publication series

Name	Studies in Applied Electromagnetics and Mechanics
Volume	37
ISSN (Print)	1383-7281
ISSN (Electronic)	1879-8322

Keywords

Local wall thinning
forward simulation
inverse simulation
numerical simulation
pulsed ECT
quantitative nondestructive testing

ASJC Scopus subject areas

Mechanical Engineering
Electrical and Electronic Engineering

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Cite this

Xie, S., Takagi, T., Uchimoto, T., Chen, Z., & Wang, L. (2012). Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals. In F. Kojima, F. Kobayashi, & H. Nakamoto (Eds.), Simulation and Modeling Related to Computational Science and Robotics Technology. Proceedings of SiMCRT 2011 (pp. 85-99). (Studies in Applied Electromagnetics and Mechanics; Vol. 37). https://doi.org/10.3233/978-1-61499-092-5-85

Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals. / Xie, Shejuan; Takagi, Toshiyuki ; Uchimoto, Tetsuya; Chen, Zhenmao; Wang, Li.

Simulation and Modeling Related to Computational Science and Robotics Technology. Proceedings of SiMCRT 2011. ed. / Fumio Kojima; Futoshi Kobayashi; Hiroyuki Nakamoto. 2012. p. 85-99 (Studies in Applied Electromagnetics and Mechanics; Vol. 37).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Xie, S, Takagi, T , Uchimoto, T, Chen, Z & Wang, L 2012, Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals. in F Kojima, F Kobayashi & H Nakamoto (eds), Simulation and Modeling Related to Computational Science and Robotics Technology. Proceedings of SiMCRT 2011. Studies in Applied Electromagnetics and Mechanics, vol. 37, pp. 85-99. https://doi.org/10.3233/978-1-61499-092-5-85

Xie S, Takagi T , Uchimoto T, Chen Z, Wang L. Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals. In Kojima F, Kobayashi F, Nakamoto H, editors, Simulation and Modeling Related to Computational Science and Robotics Technology. Proceedings of SiMCRT 2011. 2012. p. 85-99. (Studies in Applied Electromagnetics and Mechanics). https://doi.org/10.3233/978-1-61499-092-5-85

Xie, Shejuan ; Takagi, Toshiyuki ; Uchimoto, Tetsuya ; Chen, Zhenmao ; Wang, Li. / Forward and inverse simulations of pipe wall thinning using pulsed eddy current signals. Simulation and Modeling Related to Computational Science and Robotics Technology. Proceedings of SiMCRT 2011. editor / Fumio Kojima ; Futoshi Kobayashi ; Hiroyuki Nakamoto. 2012. pp. 85-99 (Studies in Applied Electromagnetics and Mechanics).

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abstract = "In this paper, an efficient forward numerical simulation solver for pulsed eddy current testing (PECT) signals has been proposed and developed based on the Fourier series method combined with an interpolation strategy and the database approach. Initially, the PECT signal simulation method based on the Fourier series scheme and an interpolation approach is described. Second, the database type fast numerical solver for single frequency ECT problem is introduced to the Fourier-series-based PECT simulation to enhance its simulation efficiency. In addition, an inversion algorithm of PECT has also been proposed and validated, based on the developed efficient simulator of PECT signals and a deterministic optimization strategy, for the profile reconstruction of wall thinning in pipes of nuclear power plants (NPPs). Through inverse analysis using the simulated PECT signals and signals with random noise, the efficiency and the robustness of the proposed PECT inversion algorithm have been demonstrated.",

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