Reference : A unified polygonal locking-free thin/thick smoothed plate element

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Multidisciplinary, general & others
	To cite this reference:	http://hdl.handle.net/10993/41921

Title :	A unified polygonal locking-free thin/thick smoothed plate element
Language :	English
Author, co-author :	Katili, Irwan [Universitas Indonesia, Depok 16424, Indonesia > Civil Engineering Department]
	Maknun, Imam Jauhari [Universitas Indonesia, Depok 16424, Indonesia > Civil Engineering Department]
	Katili, Andi Makarim [Universitas Indonesia, Depok 16424, Indonesia > Civil Engineering Department]
	Bordas, Stéphane [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit > ; School of Engineering, Cardiff University, CF24 3AA Wales, UK > > > ; Institute of Research and Development, Duy Tan University, K7/25 Quang Trung, Danang, Viet Nam]
	Natarajan, Sundararajan [Indian Institute of Technology Madras, Chennai 600036, India > Department of Mechanical Engineering]
Publication date :	6-Mar-2019
Journal title :	Composite Structures
Publisher :	Elsevier
Volume :	219
Pages :	147-157
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	0263-8223
Country :	Netherlands
Keywords :	[en] Cell based smoothed finite element method ; Discrete Kirchhoff Mindlin theory ; Numerical integration ; Kirchhoff constraint ; Shear locking
Abstract :	[en] A novel cell-based smoothed finite element method is proposed for thin and thick plates based on Reissner-Mindlin plate theory and assumed shear strain fields. The domain is discretized with arbitrary polygons and on each side of the polygonal element, discrete shear constraints are considered to relate the kinematical and the independent shear strains. The plate is made of functionally graded material with effective properties computed using the rule of mixtures. The influence of various parameters, viz., the plate aspect ratio and the material gradient index on the static bending response and the first fundamental frequency is numerically studied. It is seen that the proposed element: (a) has proper rank; (b) does not require derivatives of shape functions and hence no isoparametric mapping required; (c) independent of shape and size of elements and (d) is free from shear locking.
Target :	Researchers ; Professionals ; Students ; General public ; Others
Permalink :	http://hdl.handle.net/10993/41921
DOI :	10.1016/j.compstruct.2019.03.020

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