Shear horizontal wave transducers for structural health monitoring and nondestructive testing: A review

H Miao, F Li - Ultrasonics, 2021 - Elsevier
Shear horizontal (SH) waves are of great importance in structural health monitoring (SHM)
and nondestructive testing (NDT), since the lowest order SH wave in isotropic plates is non …

Optimal design of EMAT transmitters

K Mirkhani, C Chaggares, C Masterson… - NDT & e …, 2004 - Elsevier
A three-part finite element model is developed that characterizes the ultrasonic pulse
produced by an electromagnetic acoustic transducer (EMAT). The model represents several …

Numerical and experimental analysis of unidirectional meander-line coil electromagnetic acoustic transducers

S Wang, R Su, X Chen, L Kang… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
The elastic waves generated by traditional meander-line coil electromagnetic acoustic
transducers (EMATs) propagate in two directions, overlapping the echo signals from defects …

[HTML][HTML] High power phased EMAT arrays for nondestructive testing of as-cast steel

J Tkocz, D Greenshields, S Dixon - NDT & E International, 2019 - Elsevier
A new high-power electromagnetic acoustic transducer (EMAT) solid state pulser system
has been developed that is capable of driving up to 4 EMAT coils with programmable phase …

3-D modeling and analysis of meander-line-coil surface wave EMATs

S Wang, L Kang, Z Li, G Zhai, L Zhang - Mechatronics, 2012 - Elsevier
Surface wave electromagnetic acoustic transducers (EMATs) are becoming preferred
sensors of automatic inspection systems for the detection of surface-layer defects in hostile …

Simulation of ultrasonic and EMAT arrays using FEM and FDTD

Y Xie, W Yin, Z Liu, A Peyton - Ultrasonics, 2016 - Elsevier
This paper presents a method which combines electromagnetic simulation and ultrasonic
simulation to build EMAT array models. For a specific sensor configuration, Lorentz forces …

Improved finite element method for EMAT analysis and design

R Jafari-Shapoorabadi, A Konrad… - IEEE Transactions on …, 2001 - ieeexplore.ieee.org
Electromagnetic acoustic transducers (EMATs) operating in transmitting mode are
examined. Two different finite element formulations, derived for two different definitions of …

Multiphysics modeling of a Lorentz force-based meander coil electromagnetic acoustic transducer via steady-state and transient analyses

S Wang, S Huang, Y Zhang, W Zhao - IEEE Sensors Journal, 2016 - ieeexplore.ieee.org
Electromagnetic acoustic transducer (EMAT) is a kind of non-contact ultrasonic transducer,
and during its operation, no liquid coupling is required. Despite this advantage, EMAT has …

[HTML][HTML] Influence of magnetostriction induced by the periodic permanent magnet electromagnetic acoustic transducer (PPM EMAT) on steel

CZ Sun, A Sinclair, T Filleter - Sensors, 2021 - mdpi.com
The periodic permanent magnet electromagnetic acoustic transducer (PPM EMAT) is a
sensor that can generate and receive shear horizontal (SH) waves without direct contact …

A unified approach to finite and boundary element discretization in linear time–harmonic acoustics

S Marburg - Computational Acoustics of Noise Propagation in …, 2008 - Springer
This chapter introduces the reader too important physical and mathematical concepts in
acoustics. It presents an approach to finite and boundary element techniques for linear time …