Sensitivity Analysis of Composite Laminated Plates With Bonding Imperfection in Hamilton System

LI Ding-he; XU Jian-xin; QING Guang-hui

doi:10.3879/j.issn.1000-0887.2010.12.007

Volume 31 Issue 12

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LI Ding-he, XU Jian-xin, QING Guang-hui. Sensitivity Analysis of Composite Laminated Plates With Bonding Imperfection in Hamilton System[J]. Applied Mathematics and Mechanics, 2010, 31(12): 1465-1475. doi: 10.3879/j.issn.1000-0887.2010.12.007

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Sensitivity Analysis of Composite Laminated Plates With Bonding Imperfection in Hamilton System

doi: 10.3879/j.issn.1000-0887.2010.12.007

College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, P. R. China

Received Date: 1900-01-01
Rev Recd Date: 2010-11-09
Publish Date: 2010-12-15

Abstract

Abstract

The sensitivity analysis of composite laminated plates with bonding interfacial imperfection was investigated based on the radial point interpolation method (RPMI) in Hamilton system.A hybrid governing equations of the response and sensitivity quantities was reduced by the spring-layer model and modified Hellinger-Reissner (H-R) variational principle.The analy ticalmethod (AM),semi-analy ticalmethod (SA) and the finite difference method (FD) were given for the sensitivity analysis approach which is based on this reduced hybrid governing-equation.One of the main advantages of the hybrid governing equation is that the convoluted algorithm is avoided in sensitivity analysis.In addition,the sensitivity analysis method using this hybrid governing equation not only obtains the response values and the sensitivity coefficients smiultaneity,butalso accounts for the bonding interfacial imperfections of composite laminated plates.
- bonding miperfection,
- sensitivity analysis,
- radial pointint erpolation method (RPIM),
- spring-layer model,
- H-R varitional principle

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References

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