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Content Provider | IEEE Xplore Digital Library |
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Author | Xin Liu Yiming Deng Zhiwei Zeng Udpa, L. Udpa, S.S. |
Copyright Year | 1965 |
Abstract | This paper presents a signal inversion technique in nondestructive evaluation (NDE) application for defect profile reconstruction using the element-free Galerkin (EFG) method and state space search. The advantage of EFG method is that it relies only on a set of nodes, instead of a complex mesh to discretize the solution domain. In the inversion procedure, remeshing is avoided to increase the efficiency and accuracy of the solution, which is a major advantage over the traditional finite-element method (FEM). The iterative state space search method using the tree structure is developed for implementing the defect updating scheme. Preliminary results are presented for validation. The robustness of the technique has been shown on noisy signals. |
Sponsorship | IEEE Magnetics Society |
Starting Page | 1486 |
Ending Page | 1489 |
Page Count | 4 |
File Size | 733610 |
File Format | |
ISSN | 00189464 |
Volume Number | 45 |
Issue Number | 3 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-03-01 |
Publisher Place | U.S.A. |
Access Restriction | One Nation One Subscription (ONOS) |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Moment methods State-space methods Inverse problems Geometry Iterative methods Tree data structures Shape measurement Numerical models USA Councils Application software state space search Element-free galerkin (EFG) method inverse problem nondestructive evaluation |
Content Type | Text |
Resource Type | Article |
Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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