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http://dx.doi.org/10.15683/kosdi.2021.12.31.839

Isogeometric Analysis of FG-CNTRC Plate in Bending based on Higher-order Shear Deformation Theory  

Jeon, Juntai (Department of Civil & Environmental Engineering, Inha Technical College)
Publication Information
Journal of the Society of Disaster Information / v.17, no.4, 2021 , pp. 839-847 More about this Journal
Abstract
Purpose: This study investigates mechanical behavior of functionally graded (FG) carbon nanotube-reinforced composite (CNTRC) plate in flexure. Isogeometric analysis (IGA) method coupled with shear deformable theory of higher-order (HSDT) to analyze the nonlinear bending response is presented. Method: Shear deformable plate theory into which a polynomial shear shape function and the von Karman type geometric nonlinearity are incorporated is used to derive the nonlinear equations of equilibrium for FG-CNTRC plate in bending. The modified Newton-Raphson iteration is adopted to solve the system equations. Result: The dispersion pattern of carbon nanotubes, plate geometric parameter and boundary condition have significant effects on the nonlinear flexural behavior of FG-CNTRC plate. Conclusion: The proposed IGA method coupled with the HSDT can successfully predict the flexural behavior of FG-CNTRC plate.
Keywords
Isogeometric Analysis; Higher-order Shear Deformation Theory; Functionally Graded Carbon Nanotube-reinforced Composite Plate; Bending;
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