Abstract
A mathematical model of the Lamb propagation of the zero mode in a thin steel plate on propagation propagation has been developed. Wave excitation was carried out on the basis of the wedge method in the Comsol Multiphysics program. The paper calculates the measurement of the equivalent voltage and the von Mises voltage during wave propagation, as well as the average equivalent voltage on the inclined surface of the prism, which plays the role of a receiver and emitter. The article considers the shape of the obtained symmetric and antisymmetric waves of the zero mode. The influence of the defect dimensions on the Lamb propagation velocity and, consequently, on the fixation time of the transmitted signal is shown.
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