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Computers and Concrete Volume 28, Number 3, September 2021 , pages 233-242 DOI: https://doi.org/10.12989/cac.2021.28.3.233 |
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Nonlinear vibration behavior of hybrid multi-scale cylindrical panels via semi numerical method |
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Jun Liu, Houli Wang and Hongmei Yin
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| Abstract | ||
| Based on differential quadrature method (DQM), a nonlinear vibrational analysis of hybrid multi-scale cylindrical panels has been performed in this article. The mechanical properties of hybrid composites have been formulated within the framework of three-dimensional Mori-Tanaka model taking into consideration the effects of unidirectional oriented fibers and randomly dispersed carbon nanotubes (CNTs). The governing equations for cylindrical panels have been established with respect to thin shell assumptions taking into account geometrical non-linearity. Next, DQM has been used to solve the governing equations for establishing the frequency-deflection curves of the cylindrical panel. It will be exhibited that frequency-deflection curves change by the varying of CNT weight fractions, fiber orientations, fiberglass volume, panel radius and dimension of CNTs. | ||
| Key Words | ||
| curved panels; cylindrical panel; nanocomposite materials; nonlinear vibrations; shell theory | ||
| Address | ||
| Jun Liu: School of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu, China; Hanjing Project Management Co., Ltd, Jinan 250101, Shandong, China Houli Wang: State Power Investment Group Shandong New Energy Co., Ltd, Jinan 250100, Shandong, China Hongmei Yin: Shandong Juyuan Project Management Co., Ltd, Jinan 250100, Shandong, China | ||