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Two layer model of functionally graded plate with varying Poisson's ratio

Kennedy, David ORCID: https://orcid.org/0000-0002-8837-7296, Wei, S. and Alcazar Arevalo, F.J. 2014. Two layer model of functionally graded plate with varying Poisson's ratio. Presented at: CST2014: The Twelfth International Conference on Computational Structures Technology, Naples, Italy, 2-5 September 2014. Published in: Topping, B. H. V. and Ivanyi, P. eds. CCP: 106 Proceedings Of The Twelfth International Conference On Computational Structures Technology. , vol.106 p. 34. 10.4203/ccp.106.34

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Abstract

A functionally graded plate whose material properties, including Poisson's ratio, vary continuously through the thickness is modelled as an exactly equivalent plate composed of two isotropic layers. The integrations required to obtain the membrane, coupling and out-of-plane stiffness matrices are performed accurately using a series solution. The model is validated by comparison with well converged solutions from an approximate model in which the plate is divided into many isotropic layers. Undamped natural frequencies are found more accurately than by an approximate equivalent isotropic plate model, using both classical plate theory and first order shear deformation plate theory.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: functionally graded, plates, vibration, dynamic stiffness, Wittrick-Williams algorithm, transverse shear..
ISSN: 17593433
Last Modified: 06 Jan 2024 03:54
URI: https://orca.cardiff.ac.uk/id/eprint/67287

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