Abstract
By introducing the double orthogonal polynomial method from the Cartesian coordinate system into the cylindrical coordinate system, this paper investigates the guided wave propagation in cylindrical structures with sector cross-sections. Comparison with available reference results, the validity of the presented method is verified. The corresponding phase velocity dispersion curves, displacement distributions, stress curves and the Poynting vectors are illustrated. The influences of the radius-to-thickness ratio and angular measure on the characteristics of the guided wave are discussed, which gives significant guidance on ultrasonic guided wave nondestructive testing for cylindrical structures with sector cross-sections.
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Acknowledgements
The authors gratefully acknowledge the support by the National Natural Science Foundation of China (No. U1504106) and the Fundamental Research Funds for the Universities of Henan Province (No. NSFRF140301) and the Program for Science and Technology Innovation Team in Universities of Henan Province (15IRTSTHN013) and Research Fund for the Doctoral Program of Henan Polytechnic University (No. B2009-81).
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Zhang, B., Yu, J.G. & Zhang, X.M. Guided wave propagation in cylindrical structures with sector cross-sections. Arch Appl Mech 87, 1139–1150 (2017). https://doi.org/10.1007/s00419-017-1237-x
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DOI: https://doi.org/10.1007/s00419-017-1237-x