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https://hdl.handle.net/11499/6831
Title: | Free vibration analysis of the laminated composite beams by using DQM | Authors: | Atlıhan, Gökmen Çallıoglu, Hasan Şahin Çonkur, Erdinç Topcu, M. Yücel, U. |
Keywords: | DQM. Natural frequency Vibration Boundary values Differential quadrature methods Discretization Effective stiffness Free-vibration analysis Laminated beams Laminated composite beams Mode shapes Number of Grids Numerical solutions Stacking sequences Composite beams and girders Delamination Differential equations Laminating Natural frequencies Laminated composites |
Abstract: | In this study, the effects of stacking sequences of composite laminated beams on natural frequencies are investigated using the differential quadrature method (DQM). DQM is an efficient discretization technique for obtaining accurate numerical solutions to initial and/or boundary value problems using a considerably small number of grid points. In this way, a theoretical DQM model for the laminated composite beam has been developed. Some of the results obtained from DQM are compared with the results obtained experimentally. Then, these results are compared with the numerical and experimental results available in the literature. It has been seen that all of the results considered are very close to each other. It has also been concluded that the effective stiffness of the laminated composite beam can be altered through a change in the stacking sequence. This allows tailoring of the material to achieve desired natural frequencies and respective mode shapes without changing its geometry drastically or without increasing its weight. © SAGE Publications 2009. | URI: | https://hdl.handle.net/11499/6831 https://doi.org/10.1177/0731684407087561 |
ISSN: | 0731-6844 |
Appears in Collections: | Fen-Edebiyat Fakültesi Koleksiyonu Mühendislik Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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