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A NURBS-based IGA using zig-zag plate theory for nonlinear passive/semi-active damping analysis of laminated FG-CNTRC plates
A NURBS-based IGA using zig-zag plate theory for nonlinear passive/semi-active damping analysis of laminated FG-CNTRC plates
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Date
2023
Authors
T. Nguyen-Thoi, Duy-Khuong Ly, Sy-Ngoc Nguyen, Vinyas Mahesh, Chanachai Thongchom
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Research Projects
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Abstract
"In this article, a novel numerical approach based on electromechanical coupling isogeometric analysis employing a piecewise linear zig-zag function is proposed for modeling and analysis of smart constrained
layer damping (SCLD) treatment in multilayer porous functionally graded graphene platelets-reinforced composite (PFG-GPRC) plates. The approach efficiently approximates the geometric, mechanical, and electric
displacement fields by utilizing non-uniform rational B-splines (NURBS) basis functions. These basis functions are subsequently integrated with the zig-zag formulation to characterize the system dynamic and help
handle both continuous/discontinuous material properties at all interfaces, as well as improve the effectiveness of global–local numerical solutions for the analysis of current structures. The multilayer PFG-GPRC
plate model is designed to incorporate porous, uniformly, or non-uniformly distributed layers based on three
different graphene platelet patterns. The analysis of the SCLD treatment encompasses an examination of the
frequency response function of the damped structure under passive/hybrid mechanisms, taking into account"
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Keywords
Isogeometric approach (IGA) Murakami zig-zag theory Semi-active damping Passive damping Viscoelastic material Functionally graded carbon nanotube reinforced composite (FG-CNTRC)