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Author:

Lei, Jun (Lei, Jun.) | Sun, Yue (Sun, Yue.) | Wang, Lin (Wang, Lin.)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, a peridynamic differential operator (PDDO) method is developed to analyze the static and dynamic responses of size-dependent elastic structures in the frame of a consistent couple stress theory (CCST). The displacement governing equations together with the boundary conditions of the couple-stress static problems are transformed from the local differential form to the nonlocal integral form through a fourth-order PDDO and then solved by a meshfree scheme. For dynamic cases, the time-domain problems are first transformed into frequency domain by Fourier transform, then solved by the PDDO meshless method in the frequency domain. The timedomain results are finally obtained by using an exponential window method (EWM). The size effects on the static and dynamic responses of some typical elastic problems are investigated by the developed PDDO method. A very high level of computational accuracy is achieved by comparing with the analytical solutions and the existing numerical results.

Keyword:

Peridynamic differential operator Exponential window method Consistent couple stress theory Dynamic response Size effect Frequency domain

Author Community:

  • [ 1 ] [Lei, Jun]Beijing Univ Technol, Fac Mat & Mfg, Dept Engn Mech, Beijing 100124, Peoples R China
  • [ 2 ] [Sun, Yue]Beijing Univ Technol, Fac Mat & Mfg, Dept Engn Mech, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Lin]Beijing Univ Technol, Fac Mat & Mfg, Dept Engn Mech, Beijing 100124, Peoples R China

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Source :

ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS

ISSN: 0955-7997

Year: 2023

Volume: 156

Page: 20-33

3 . 3 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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