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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhenmao Chen Preda, G. Mihalache, O. Miya, K. |
| Copyright Year | 1965 |
| Abstract | In this paper, the reconstruction of crack shapes from magnetic flux leakage testing (MFLT) signals is realized by introducing a rapid forward simulator and applying a deterministic optimization approach. The MFLT signals due to cracks of different shape are calculated with an FEM-BEM code employing the A method and polarization algorithm, which is accelerated by the new rapid forward scheme. For reconstructing the crack shape, the conjugate gradient method is applied with the gradients predicted by using the difference technique. Both inner and outer cracks are successfully reconstructed from simulated MFLT signals that verified both the efficiency of the fast-forward scheme and the feasibility of the deterministic inverse approach. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 1025 |
| Ending Page | 1028 |
| Page Count | 4 |
| File Size | 248956 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 38 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Nonlinear equations Magnetic materials Magnetic flux leakage Magnetization Polarization Neural networks Computational modeling Shape measurement Character generation Maxwell equations |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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