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Steel and Composite Structures Volume 53, Number 1, October 10 2024 , pages 077-90 DOI: https://doi.org/10.12989/scs.2024.53.1.077 |
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Free vibration response of multi-layered plates with trigonometrically distributed porosity based on the higher-order shear deformation theory |
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Ferruh Turan
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| Abstract | ||
| This paper focuses on trigonometric porosity distribution to analyze its effect on the free vibration frequencies of porous orthotropic multi-layered composite plates. Three types of porosity distributions are considered. The governing equations of the free vibration response of porous orthotropic multi-layered composite plates are derived from the Hamilton's principle using higher-order shear deformation theory. The free vibration frequency relation of the problem is obtained by performing Galerkin's method. After the validation process of the relation under the available literature, a few parametric analyses are performed to observe the influence of shear deformation, porosity distribution, orthotropy, layer sequence, and different geometric properties on the frequencies. | ||
| Key Words | ||
| free vibration; laminated composite; orthotropy; porosity; porous plate; shear deformation theory | ||
| Address | ||
| Ferruh Turan:Department of Civil Engineering, Faculty of Engineering, Ondokuz May | ||