Simulation and experimental verification of a meander-line-coil electromagnetic acoustic transducers (EMATs) - 文章详情页

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This　paper　presents　a　method　combing　analytical　and　finite-difference　time-domain　(FDTD)　methods　to　build　meander-line-coil　EMATs.　Lorentz　force　densities　are　calculated　using　analytical　solutions　adapted　from　classic　Deeds　and　Dodd　solution,　which　then　are　imported　to　ultrasonic　simulations.　The　propagation　of　ultrasound　waves　is　numerically　simulated　using　finite-difference　time-domain　(FDTD)　method　to　describe　their　propagation　within　homogenous　medium　and　their　scattering　phenomenon　by　cracks.　Experiments　are　set　up　to　verify　the　proposed　method.　©　2016　IEEE.

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analytical solutions; electromagnetic acoustic transducers (EMATs); finite element method (FEM); finite-difference time-domain (FDTD)

作者机构：

[ 1 ] [Xie, Y.]School of Electrical and Electronic Engineering, University of Manchester, Manchester, United Kingdom
[ 2 ] [Rodriguez, G.S.]School of Electrical and Electronic Engineering, University of Manchester, Manchester, United Kingdom
[ 3 ] [Yin, W.]School of Electrical and Electronic Engineering, University of Manchester, Manchester, United Kingdom
[ 4 ] [Peyton, A.]School of Electrical and Electronic Engineering, University of Manchester, Manchester, United Kingdom
[ 5 ] [Liu, Z.]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100124, China
[ 6 ] [Hao, J.]School of Logistics Engineering, Shanghai Maritime University, Shanghai, China
[ 7 ] [Zhao, Q.]Institute of Automation, Qufu Normal University, Shandong, China
[ 8 ] [Wang, B.]Changzhou Mega Power Technology Limited, Jiangsu, China

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