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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by:
Paper 27
Hierarchical Layerwise Ritz Models for Vibration Analysis of Rectangular Piezolaminated Plates L. Dozio, A. Spalluto and G.L. Ghiringhelli
Department of Aerospace Science and Technology, Politecnico di Milano, Italy L. Dozio, A. Spalluto, G.L. Ghiringhelli, "Hierarchical Layerwise Ritz Models for Vibration Analysis of Rectangular Piezolaminated Plates", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 27, 2014. doi:10.4203/ccp.106.27
Keywords: piezolaminated plate, free vibration, higher-order plate theories, Ritz method, layerwise theories, hierarchical models..
Summary
This paper presents a hierarchical Ritz formulation for free vibration analysis of rectangular
laminated plates with bonded and, or embedded piezoelectric layers. The aim
is to provide a unified, accurate and versatile tool devoted to the design of active or
passive piezoelectric damping technologies for both thin and thick plates in the low
and medium-to-high frequency range. The Ritz method allows efficient models for
different boundary conditions and arbitrary lamination layouts to be obtained. The accuracy
of the model can be tailored by the adoption of variable-order fully layerwise
or mixed equivalent-single-layer or layerwise kinematic models, which are capable
of capturing the large variation of electro-mechanical properties along the thickness
direction.
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