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Author:

Wang, Aiwen (Wang, Aiwen.) | Chen, Hongyan (Chen, Hongyan.) | Zhang, Wei (Zhang, Wei.)

Indexed by:

EI Scopus SCIE

Abstract:

The nonlinear transient dynamic response of graphene nanoplatelets (GPLs) reinforced composite doubly curved shallow shells with three GPL distribution patterns was investigated under time-dependent blast loads. The thermal effects were explicitly considered in the study, in which a modified Halpin-Tsai model was adopted to estimate the effective Young's modulus. Rule of mixtures was employed to determine the mass density and Poisson's ratio. The equations of motion were derived from Hamilton's principle and the nonlinear von Karman strain-displacement relationship, based on a higher-order shear deformation theory. A set of second-order ordinary differential equations was obtained using Galerkin's method. Numerical solutions were based on a fully implicit finite difference scheme in time. The derived nonlinear equations were then solved using the Newton-Raphson method. Further, parametric studies were conducted to consider the influence of the temperature difference between top and bottom surfaces, as well as the GPL weight fraction, distribution type, length-to-thickness ratio, total number of layers, parameters related to blast loading, and the aspect, shallowness, and curvature radius ratios of the doubly curved shallow shell on the nonlinear transient dynamic response of the structure.

Keyword:

Graphene nanoplatelets Blast load Functionally graded material Nonlinear transient response Doubly curved shallow shell

Author Community:

  • [ 1 ] [Wang, Aiwen]Beijing Informat Sci & Technol Univ, Sch Appl Sci, Beijing 100192, Peoples R China
  • [ 2 ] [Chen, Hongyan]Beijing Informat Sci & Technol Univ, Sch Appl Sci, Beijing 100192, Peoples R China
  • [ 3 ] [Wang, Aiwen]Beijing Univ Technol, Coll Mech Engn, Beijing 100022, Peoples R China
  • [ 4 ] [Zhang, Wei]Beijing Univ Technol, Coll Mech Engn, Beijing 100022, Peoples R China

Reprint Author's Address:

  • 张伟

    [Zhang, Wei]Beijing Univ Technol, Coll Mech Engn, Beijing 100022, Peoples R China

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Source :

COMPOSITE STRUCTURES

ISSN: 0263-8223

Year: 2019

Volume: 225

6 . 3 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:211

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 67

SCOPUS Cited Count: 68

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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