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Higher-Order Finite Element Vibration Analysis of Circular Raft on Winkler Foundation
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Author(s): Ashis Kumar Dutta (Jadavpur University, India), Debasish Bandyopadhyay (Jadavpur University, India)and Jagat Jyoti Mandal (National Institute of Technical Teachers' Training and Research, India)
Copyright: 2023
Volume: 14
Issue: 1
Pages: 15
Source title:
International Journal of Geotechnical Earthquake Engineering (IJGEE)
Editor(s)-in-Chief: T.G. Sitharam (Indian Institute of Science, India), J. S. Vinod (University of Wollongong, Australia)and Ravi Jakka (Indian Institute of Technology Roorkee, India)
DOI: 10.4018/IJGEE.324112
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Abstract
On a Winkler foundation, solid circular plate vibration is examined using a higher-order finite element in polar co-ordinate system. The present formulation has developed a Mat-lab code to handle any boundary conditions. Validation of the code is carried out after the convergence studies. The results are compared to other researchers and show excellent conformity. Furthermore, a parametric analysis gave the first 10 natural frequency characteristics in tabular and graphical form. The authors conclude that the present formulation is straightforward, behaves exceptionally well for thin solid circular plates on elastic foundations with reasonable convergence rate and accuracy, and requires less computational effort, resources, and time.
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