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This paper presents a study of guided wave dispersion characteristics and propagation properties in rail with a crack. Due to the geometrical complexity of the rail cross-section, the traditional analytical solution to the wave propagation in rail is not feasible. Spectral finite element method is described to calculate the guided wave dispersion curves. 3D finite element (FE) numerical simulation...
The paper studies the interaction of fundamental S0 Lamb wave mode generated by a point source with asymmetrical circular blind hole in an isotropic plate. A theoretical analysis is carried out in an effort to understand the properties of transient Lamb wave propagating in an isotropic plate with a circular blind hole. The case of the incident S0 Lamb wave being generated by a point source is considered...
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