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作者:

Wang, Aiwen (Wang, Aiwen.) | Chen, Hongyan (Chen, Hongyan.) | Zhang, Wei (Zhang, Wei.) (学者:张伟)

收录:

EI Scopus SCIE

摘要:

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.

关键词:

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

作者机构:

  • [ 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

通讯作者信息:

  • 张伟

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

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来源 :

COMPOSITE STRUCTURES

ISSN: 0263-8223

年份: 2019

卷: 225

6 . 3 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:79

JCR分区:1

被引次数:

WoS核心集被引频次: 61

SCOPUS被引频次: 44

ESI高被引论文在榜: 0 展开所有

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