3D transient magnetic field mapping for angular slots in aluminium
Abstract:A 3D visualisation of transient magnetic field mapping via finite element simulation for the characterisation of complex defects is presented in this paper. In this work, we analyse the Pulsed Eddy Current (PEC) testing application on detection and characterisation of complex geometry defects, for example angular slots, through the mapping of magnetic field distribution. The investigation is implemented via time-stepping 3D Finite Element Analysis (FEA) with features from the mapping extracted for angular slots characterisation. The results indicate the potential static or dynamic features for complex geometry defect characterisation based on the visualisation and mapping of the magnetic field distribution. It is expected that the simulation and magnetic field distribution will help in sensor (array) design and inverse models for complex geometry characterisation.
Document Type: Research Article
Affiliations: School of Electrical, Electronic and Computer Engineering, Merz Court, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK. i.m.zainal-abidinncl.ac.uk/g.y.tianncl.ac.uk/yong.lincl.ac.uk., Tel: 44 (0)191 222 5639
Publication date: 2009-01-01
- Official Journal of The British Institute of Non-Destructive Testing - includes original research and devlopment papers, technical and scientific reviews and case studies in the fields of NDT and CM.
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