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Author:

Fan, Fan (Fan, Fan.) | Lei, Biao (Lei, Biao.) | Sahmani, Saeid (Sahmani, Saeid.) | Safaei, Babak (Safaei, Babak.)

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Abstract:

The prime objective of the present investigation is to predict the shear buckling characteristics of skew nanoplates made of a functionally graded material (FGM) in the presence of surface stress effect. For this purpose, the Gurtin-Murdoch surface theory of elasticity is applied to the higher-order shear deformation plate theory within the framework of the oblique coordinate system. Different types of the homogenization scheme including Reuss model, Voigt model, Mori-Tanaka model, and Hashin-Shtrikman bounds model are taken into consideration in order to extract the effective mechanical properties of FGM skew nanoplates. The Ritz method using Gram-Schmidt shape functions is utilized to obtain the surface elastic-based shear buckling loads of FGM skew nanoplates. It is indicated that by increasing the value of the index associated with the material property gradient, the significance of the surface stress type of size effect on the shear buckling behavior of a FGM skew nanoplate improves. Moreover, by changing the boundary conditions from simply supported ones to clamped ones, the influence of the skew angle on the surface elastic-based shear buckling load of a FGM skew nanoplate increases. Also, it is illustrated that by increasing the width to thickness ratio of a skew nanoplate, the free surface area increases which results in to enhance the effect of surface residual stress on its shear buckling characteristics. © 2020 Elsevier Ltd

Keyword:

Beams and girders Buckling Functionally graded materials Nanostructures Plates (structural components) Shear flow Surface properties

Author Community:

  • [ 1 ] [Fan, Fan]School of Automation, Xi'an University of Posts and Telecommunications, Xi'an; 710121, China
  • [ 2 ] [Lei, Biao]State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 3 ] [Sahmani, Saeid]School of Science and Technology, The University of Georgia, Tbilisi; 0171, Georgia
  • [ 4 ] [Safaei, Babak]Department of Mechanical Engineering, Eastern Mediterranean University, G. Magosa, TRNC Mersin 10, Turkey

Reprint Author's Address:

  • [Fan, Fan]School of Automation, Xi'an University of Posts and Telecommunications, Xi'an; 710121, China;;

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Source :

Thin-Walled Structures

ISSN: 0263-8231

Year: 2020

Volume: 154

4 . 4 4 2

JCR@2020

4 . 4 4 2

JCR@2020

ESI Discipline: ENGINEERING;

ESI HC Threshold:59

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 38

SCOPUS Cited Count: 73

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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