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International Journal for Multiscale Computational Engineering

Publicado 6 números por año

ISSN Imprimir: 1543-1649

ISSN En Línea: 1940-4352

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.4 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.3 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 2.2 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00034 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.46 SJR: 0.333 SNIP: 0.606 CiteScore™:: 3.1 H-Index: 31

Indexed in

DYNAMIC CHARACTERISTICS OF SINGLE-LAYERED GRAPHENE SHEETS DUE TO ATOMIC VACANCY DEFECT USING MULTISCALE ANALYSIS TECHNIQUE INCORPORATING TERSOFF-BRENNER POTENTIAL

Volumen 13, Edición 5, 2015, pp. 393-412
DOI: 10.1615/IntJMultCompEng.2015013313
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SINOPSIS

This paper deals with the eigenvalues extraction and steady-state forced vibration response of single-layered graphene sheets (SLGSs) with and without atomic vacancy defect using atomistic finite element method. The multi-body interatomic TersoffBrenner potential is used to represent the energy between two adjacent carbon atoms. Based on the Tersoff-Brenner potential, a new set of force constant parameters is established for graphene sheet, and the equivalent geometric and elastic properties of the space frame element to represent carboncarbon bond are derived which are consistent with the material constitutive relations. Different values of aspect ratio and contours of SLGS are considered along with clamped, bridged, and cantilevered boundary conditions. A computational sine sweep test is carried out on the atomic structure of SLGSs with and without atomic vacancy defect within the frequency range of 0 to 10 THz. The vibration characteristics of SLGSs are also investigated under an impulse excitation. The response of SLGSs to the harmonic and impulse load over an applied frequency range is calculated. The response of SLGSs with an atomic vacancy defect is also compared with that of without defect to study its effect on the vibration characteristics. The results have been validated using molecular dynamics simulation and with those available in the literature.

CITADO POR
  1. Wang Shuai, Zhao LeiYang, Liu Yan, Large-scale simulation of graphene and structural superlubricity with improved smoothed molecular dynamics method, Computer Methods in Applied Mechanics and Engineering, 392, 2022. Crossref

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