Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/2780
Título: Analysis of functionally graded sandwich plate structures with piezoelectric skins, using B-spline finite strip method
Autor: Loja, M. A. R.
Soares, C. M. Mota
Barbosa, Joaquim Infante
Palavras-chave: Functionally graded plate structures
Sandwich structures
Particulate composites
Piezoelectric materials
B-spline finite strip method
Electro-elastic plates
High-order theory
Meshless method
Data: Fev-2013
Editora: Elsevier SCI LTD
Citação: LOJA, M. A. R.; SOARES, C. M. Mota; BARBOSA, J. I. - Analysis of functionally graded sandwich plate structures with piezoelectric skins, using B-spline finite strip method. Composite Structures. ISSN 0263-8223. Vol. 96 (2013), p. 606-615.
Resumo: Functionally graded materials are composite materials wherein the composition of the constituent phases can vary in a smooth continuous way with a gradation which is function of its spatial coordinates. This characteristic proves to be an important issue as it can minimize abrupt variations of the material properties which are usually responsible for localized high values of stresses, and simultaneously providing an effective thermal barrier in specific applications. In the present work, it is studied the static and free vibration behaviour of functionally graded sandwich plate type structures, using B-spline finite strip element models based on different shear deformation theories. The effective properties of functionally graded materials are estimated according to Mori-Tanaka homogenization scheme. These sandwich structures can also consider the existence of outer skins of piezoelectric materials, thus achieving them adaptive characteristics. The performance of the models, are illustrated through a set of test cases. (C) 2012 Elsevier Ltd. All rights reserved.
Peer review: yes
URI: http://hdl.handle.net/10400.21/2780
ISBN: 10.1016/j.compstruct.2012.08.010
ISSN: 0263-8223
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