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This work describes development of a pulsed meander coil Electromagnetic Acoustic Transducer (EMAT) that simultaneously generates Rayleigh, longitudinal waves and shear vertical waves. A two stage finite element model of Meander coil EMAT transmitter is developed to study the propagation of these sound waves in nonmagnetic material. First, a 2D electromagnetic model is developed for calculating the Lorentz force density, which is the driving force for sound wave generation within the material. Second, the calculated force at each point in the material is utilized as the input for generating sound wave modes. Meander coil EMATs of different coil spacings are developed and experimental investigations are carried out. The measurements compare favorably with the model predictions presented here.
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