Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0266-3538(00)00082-8
Title: A strip-element method for analyzing wave scattering by a crack in a fluid-filled composite cylindrical shell
Authors: Xi, Z.C. 
Liu, G.R. 
Lam, K.Y. 
Shang, H.M. 
Keywords: A. Composite cylinder
A. Composite shell
B. Wave propagation
C. Crack detection
C. Fluid and structure interaction
C. Non-destructive evaluation
C. Strip element analysis
Issue Date: Aug-2000
Citation: Xi, Z.C., Liu, G.R., Lam, K.Y., Shang, H.M. (2000-08). A strip-element method for analyzing wave scattering by a crack in a fluid-filled composite cylindrical shell. Composites Science and Technology 60 (10) : 1985-1996. ScholarBank@NUS Repository. https://doi.org/10.1016/S0266-3538(00)00082-8
Abstract: A strip-element method is presented for analyzing wave scattering by a crack in a laminated composite cylindrical shell filled with a fluid. In this approach, two-nodal-line and three-nodal-line axisymmetric strip elements are employed to model the fluid and shell, respectively. Governing equations of the fluid and solid elements in the frequency domain are derived with a variational method and the Hamilton principle. The associated characteristic equations in the wave-number domain are obtained through Fourier transform techniques. Responses of the fluid-loaded shell to a line load are found by a modal analysis method and inverse Fourier transform techniques. Numerical results are given for fluid-filled laminated composite shells containing either a radial or an axial crack. The fluid is found to have strong influence on the scattered wave fields in composite shells. (C) 2000 Elsevier Science Ltd. All rights reserved.
Source Title: Composites Science and Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/57841
ISSN: 02663538
DOI: 10.1016/S0266-3538(00)00082-8
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