Solution of inverse problems in electromagnetic NDE using finite element methods

Mingye Yan; Satish Udpa; Shreekanth Mandayam; Yushi Sun Yushi; Paul Sacks; William Lord

doi:10.1109/20.717681

Solution of inverse problems in electromagnetic NDE using finite element methods

Mingye Yan, Satish Udpa, Shreekanth Mandayam, Yushi Sun Yushi, Paul Sacks, William Lord

Electrical Engineering

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

30 Scopus citations

Abstract

This paper presents a technique for solving inverse problems in magnetostatic nondestructive evaluation (NDE), using finite element models. In-line inspection of ferromagnetic gas pipelines containing pipe-wall defects, is chosen as the candidate NDE process. The signal inversion technique consists of iteratively solving the forward problem by updating the finite element mesh, rather than the material properties of the finite elements. Preliminary simulation results obtained using a 2D finite element model are presented.

Original language	English (US)
Pages (from-to)	2920-2923
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	34
Issue number	5 PART 1
DOIs	https://doi.org/10.1109/20.717681
State	Published - Dec 1 1998

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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AU - Sacks, Paul

AU - Lord, William

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AB - This paper presents a technique for solving inverse problems in magnetostatic nondestructive evaluation (NDE), using finite element models. In-line inspection of ferromagnetic gas pipelines containing pipe-wall defects, is chosen as the candidate NDE process. The signal inversion technique consists of iteratively solving the forward problem by updating the finite element mesh, rather than the material properties of the finite elements. Preliminary simulation results obtained using a 2D finite element model are presented.

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Solution of inverse problems in electromagnetic NDE using finite element methods

Abstract

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