Journal
ENGINEERING WITH COMPUTERS
Volume 38, Issue SUPPL 1, Pages 449-460Publisher
SPRINGER
DOI: 10.1007/s00366-020-01154-0
Keywords
Porous functionally graded; Modified couple stress theory; Isogeometric analysis; Length scale parameter; Nonlinear analysis
Funding
- VLIR-UOS TEAM Project - Flemish Government [VN2017TEA454A103]
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The static bending behavior of porous functionally graded micro-plates under geometrically nonlinear analysis is studied in this article. A small-scale nonlinear solution, higher-order plate theory, and isogeometric analysis are utilized to analyze the deflection of the plate, and the influence of parameters on the nonlinear behavior is investigated using numerical examples.
The static bending behavior of porous functionally graded (PFG) micro-plate under the geometrically nonlinear analysis is studied in this article. A small-scale nonlinear solution is established using the Von-Karman hypothesis and the modified couple stress theory (MCST). To obtain the deflection of the plate, the Reddy higher-order plate theory coupled with isogeometric analysis (IGA) is utilized. The distribution of porosities is assumed to be even and uneven across the plate's thickness and the effective material properties of porous functionally graded micro-plate are calculated using the refined rule-of-mixture hypothesis. The influence of power index, porosity parameter and material length scale parameter on the nonlinear behaviors of static bending of porous FGM micro-plates are also investigated using several numerical examples.
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