Abstract
Sensitivity analysis of composite laminated plates with bonding imperfection is carried out based on the radial point interpolation method (RPIM) in a Hamilton system. A set of hybrid governing equations of response and sensitivity quantities is reduced using the spring-layer model and the modified Hellinger-Reissner (H-R) variational principle. The analytical method (AM), the semi-analytical method (SAM), and the finite difference method (FDM) are used for sensitivity analysis based on the reduced set of hybrid governing equations. A major advantage of the hybrid governing equations is that the convolution algorithm is avoided in sensitivity analysis. In addition, sensitivity analysis using this set of hybrid governing equations can obtain response values and sensitivity coefficients simultaneously, and accounts for bonding imperfection of composite laminated plates.
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Project supported by the National Natural Science Foundation of China (No. 60979001) and the Major Project of Civil Aviation University of China (No.CAUC2009ZD0101)
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Li, Dh., Xu, Jx. & Qing, Gh. Sensitivity analysis of composite laminated plates with bonding imperfection in Hamilton system. Appl. Math. Mech.-Engl. Ed. 31, 1549–1560 (2010). https://doi.org/10.1007/s10483-010-1383-9
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DOI: https://doi.org/10.1007/s10483-010-1383-9
Key words
- bonding imperfection
- sensitivity analysis
- radial point interpolation method (RPIM)
- spring-layer model
- Hellinger-Reissner (H-R)
- variational principle