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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 108
PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Paper 111
The Spectral-Dynamic Stiffness Method: A Novel Approach for Exact Free Vibration Analysis of Plate-Like Structures X. Liu and J.R. Banerjee
School of Mathematics, Computer Science and Engineering, City University London, United Kingdom Full Bibliographic Reference for this paper
X. Liu, J.R. Banerjee, "The Spectral-Dynamic Stiffness Method: A Novel Approach for Exact Free Vibration Analysis of Plate-Like Structures", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 111, 2015. doi:10.4203/ccp.108.111
Keywords: spectral-dynamic stiffness method, exact free vibration analysis, plate-like structures, enhanced Wittrick-Williams algorithm.
Summary
A novel method named spectral-dynamic stiffness method (S-DSM) is presented in this paper for exact free vibration analysis of plate-like structures made of both isotropic and composite materials. The method has no restriction and is completely general to handle any boundary conditions within any frequency range. The S-DSM integrates the spectral method into the dynamic stiffness method (DSM) by using a number of novel techniques. Exact free vibration analysis is then carried out by applying the Wittrick-Williams algorithm with enhancements. The present S-DSM is superior to other methods such as the finite element or boundary element methods in terms of computational efficiency, accuracy and robustness of results.
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