Dey, S., Mukhopadhyay, T., Khodaparast, H. H. and Adhikari, S. (2015) Stochastic natural frequency of composite conical shells. Acta Mechanica, 226(8), pp. 2537-2553. (doi: 10.1007/s00707-015-1316-4)
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Abstract
The present study portrays the stochastic natural frequencies of laminated composite conical shells using a surrogate model (D-optimal design) approach. The rotary inertia and transverse shear deformation are incorporated in probabilistic finite element analysis with uncertainty due to variation in angle of twist. A sensitivity analysis is carried out to address the influence of different input parameters on the output natural frequencies. Typical fiber orientation angle and material properties are randomly varied to obtain the stochastic natural frequencies. The sampling size and computational cost are exorbitantly reduced by employing the present approach compared to direct Monte Carlo simulation. Statistical analysis is presented to illustrate the results. The stochastic natural frequencies obtained are the first known results for the type of analyses carried out here.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Adhikari, Professor Sondipon |
| Authors: | Dey, S., Mukhopadhyay, T., Khodaparast, H. H., and Adhikari, S. |
| College/School: | College of Science and Engineering > School of Engineering > Infrastructure and Environment |
| Journal Name: | Acta Mechanica |
| Publisher: | Springer |
| ISSN: | 0001-5970 |
| ISSN (Online): | 1619-6937 |
| Published Online: | 21 March 2015 |
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