期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 56, 期 -, 页码 92-104出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.euromechsol.2015.11.001
关键词
Functionally graded materials; Modified couple stress theory; von Karman nonlinearity
类别
资金
- FidiPro Professorship from Aalto University (Finland)
- Chair of Excellence from University Carlos III of Madrid (Spain)
- Tekes
- Chair of Excellence
Finite element models of microstructure-dependent geometrically nonlinear theories for axisymmetric bending of circular plates, which accounts for through-thickness power-law variation of a two constituent material, the von Karman nonlinearity, and the strain gradient effects are developed for the classical and first-order plate theories. The strain gradient effects are included through the modified couple stress theory that contains a single material length scale parameter which can capture the size effect in a functionally graded material plate. The developed finite element models are used to determine the effect of the geometric nonlinearity, power-law index, and microstructure-dependent constitutive relations on the bending response of functionally graded circular plates with different boundary conditions. (C) 2015 Elsevier Masson SAS. All rights reserved.
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