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Article Dans Une Revue Mathematics and Mechanics of Solids Année : 2019

Guided wave propagation in functionally graded cylindrical structures with sector cross-sections

Résumé

The differential equations governing guided waves in functionally graded cylindrical structures with sector cross-sections are solved by introducing the double orthogonal polynomial series method into the cylindrical coordinate system, and the wave characteristics are subsequently investigated. The validity of the present method is confirmed by way of the comparison with available references, and the convergence is discussed. The corresponding phase velocity dispersion curves, displacement distributions and Poynting vectors are illustrated. The influences of the variation in the radius to thickness ratio, angular measure and gradient index on the guided wave characteristics are discussed, which can be used as significant guidance on ultrasonic guided wave non-destructive testing for functionally graded cylindrical structures with sector cross-sections.
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Dates et versions

hal-03153238 , version 1 (26-02-2021)

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Zhang Bo, Yu Jiangong, Jean-Etienne Lefebvre, Wei-Jiang Xu, Zhang Xiaoming, et al.. Guided wave propagation in functionally graded cylindrical structures with sector cross-sections. Mathematics and Mechanics of Solids, 2019, 24 (2), pp.434-447. ⟨10.1177/1081286517742433⟩. ⟨hal-03153238⟩
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