Investigation of numerical precision of 3-D RFECT signal simulations

Mihai Rebican; Zhenmao Chen; Noritaka Yusa; Kenzo Miya; Tetsuya Uchimoto; Toshiyuki Takagi

doi:10.1109/TMAG.2005.846281

Investigation of numerical precision of 3-D RFECT signal simulations

Mihai Rebican, Zhenmao Chen, Noritaka Yusa, Kenzo Miya, Tetsuya Uchimoto, Toshiyuki Takagi

Intl. Institute of Universality

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

This paper evaluates the numerical precision of a three-dimensional A _r method with edge-based finite elements in the simulation of remote field eddy-current testing of a ferromagnetic tube. The method is employed with a suitable formula for the electromotive force signal calculation in magnetic materials. Using a supercomputer, analyses of the mesh division effect on numerical precision are carried out to find out the proper mesh conditions for signal simulations of 3-D defects. Good agreements of the simulated signals with experimental ones are obtained using this method with an acceptable computational resource. In this way, the 3-D simulation of remote field eddy-current testing signals for a magnetic tube has become possible in practical applications.

Original language	English
Pages (from-to)	1968-1971
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	41
Issue number	5
DOIs	https://doi.org/10.1109/TMAG.2005.846281
Publication status	Published - 2005 May

Keywords

3-D defects
Edge elements method
Remote field eddy-current technique
Signal calculation

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10.1109/TMAG.2005.846281

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abstract = "This paper evaluates the numerical precision of a three-dimensional A r method with edge-based finite elements in the simulation of remote field eddy-current testing of a ferromagnetic tube. The method is employed with a suitable formula for the electromotive force signal calculation in magnetic materials. Using a supercomputer, analyses of the mesh division effect on numerical precision are carried out to find out the proper mesh conditions for signal simulations of 3-D defects. Good agreements of the simulated signals with experimental ones are obtained using this method with an acceptable computational resource. In this way, the 3-D simulation of remote field eddy-current testing signals for a magnetic tube has become possible in practical applications.",

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AU - Yusa, Noritaka

AU - Miya, Kenzo

AU - Uchimoto, Tetsuya

AU - Takagi, Toshiyuki

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AB - This paper evaluates the numerical precision of a three-dimensional A r method with edge-based finite elements in the simulation of remote field eddy-current testing of a ferromagnetic tube. The method is employed with a suitable formula for the electromotive force signal calculation in magnetic materials. Using a supercomputer, analyses of the mesh division effect on numerical precision are carried out to find out the proper mesh conditions for signal simulations of 3-D defects. Good agreements of the simulated signals with experimental ones are obtained using this method with an acceptable computational resource. In this way, the 3-D simulation of remote field eddy-current testing signals for a magnetic tube has become possible in practical applications.

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KW - Remote field eddy-current technique

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Investigation of numerical precision of 3-D RFECT signal simulations

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