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Structural Engineering and Mechanics Volume 18, Number 1, July 2004 , pages 41-58 DOI: https://doi.org/10.12989/sem.2004.18.1.041 |
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Marguerre shell type secant matrices for the postbuckling analysis of thin, shallow composite shells |
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S. Arul Jayachandran, V. Kalyanaraman and R. Narayanan
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| Abstract | ||
| The postbuckling behaviour of thin shells has fascinated researchers because the theoretical prediction and their experimental verification are often different. In reality, shell panels possess small imperfections and these can cause large reduction in static buckling strength. This is more relevant in thin laminated composite shells. To study the postbuckling behaviour of thin, imperfect laminated composite shells using finite elements, explicit incremental or secant matrices have been presented in this paper. These incremental matrices which are derived using Marguerre | ||
| Key Words | ||
| Marguerre\'s shell theory; secant matrices; postbuckling; nonlinear finite element analysis; shallow shells. | ||
| Address | ||
| S. Arul Jayachandran; Structural Engineering Research Centre, CSIR Campus, Taramani, Chennai 600 113, India V. Kalyanaraman; Department of Civil Engineering, Indian Institute of Technology, Chennai 600 036, India R. Narayanan; Structural Engineering Research Centre, CSIR Campus, Taramani, Chennai 600 113, India | ||