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|Title:||A strip-element method for analyzing wave scattering by a crack in a fluid-filled composite cylindrical shell||Authors:||Xi, Z.C.
|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|
|Appears in Collections:||Staff Publications|
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