Laser generation of surface waves on cylinder and coated cylinder |
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Authors: | HU Wenxiang ZHANG Shigong |
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Institution: | HU Wenxiang ZHANG Shigong (Institute of Acoustics,Tongji University Shanghai 200092) |
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Abstract: | Analytical models of acoustic field excited by a pulsed-laser line source on a cylinder and a coated cylinder were presented.Surface wave dispersive behaviors for a cylinder with a slow coating were analyzed and compared with that of a bare cylinder.Based on this analysis, the laser-generated transient response of the cylindrical Rayleigh wave on cylinder and the perturbed cylindrical Rayleigh wave on coated cylinder and the higher modes were calculated from the models using residue theory and FFT technique... |
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