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Steel and Composite Structures Volume 35, Number 1, April 2020 , pages 43-59 DOI: https://doi.org/10.12989/scs.2020.35.1.043 |
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Finite element vibration analysis of laminated composite parabolic thick plate frames |
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Oguzhan Das, Hasan Ozturk and Can Gonenli
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| Abstract | ||
| In this study, free vibration analysis of laminated composite parabolic thick plate frames by using finite element method is introduced. Governing equations of an eigenvalue problem are obtained from First Order Shear Deformation Theory (FSDT). Finite element method is employed to obtain natural frequency values from the governing differential equations. The frames consist of two flat square plates and one singly curved plate. Parameters like radii of curvature, aspect ratio, ply orientation and boundary conditions are investigated to understand their effect on dynamic behavior of such a structure. In addition, multi-bay structures of such geometry with different stacking order are also taken into account. The composite frame structures are also modeled and simulated via ANSYS to verify the accuracy of the present study. | ||
| Key Words | ||
| vibration analysis; parabolic frames; composite structures; first order shear deformation theory; finite element analysis | ||
| Address | ||
| uzhan Das and Can Gonenli: The Graduate School of Natural and Applied Sciences, Dokuz Eylul University, Tinaztepe Campus, Buca – İzmir, 35390 Turkey Hasan Ozturk: Department of Mechanical Engineering, Dokuz Eylul University, Tinaztepe Campus, Buca – İzmir, 35390 Turkey | ||