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International Journal for Multiscale Computational Engineering

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ISSN Печать: 1543-1649

ISSN Онлайн: 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

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A Nonlocal Formulation of Rubber Elasticity

Том 1, Выпуск 1, 2003, 10 pages
DOI: 10.1615/IntJMultCompEng.v1.i1.30
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Краткое описание

A nonlocal formulation of rubber elasticity with applications to nanostructured materials is developed. In general, stress has an entropic and an energetic component. The energetic component is due to short-range interactions of the representative atom with its neighbors, while the entropic component is due to chain conformation changes upon deformation. In rubbers, the entropic component is dominant. Both components are intrinsically nonlocal; stress at a point depends on the deformation in an entire neighborhood of that point. This property becomes important when the deformation field varies significantly over a distance comparable with the internal length scale of the material (large gradients). Here, nonlocal formulations are derived for both the energetic and the entropic components of stress for a system of polymeric chains. For small deformations, linear nonlocal elasticity may be used for the energetic component of stress, and a kernel may be derived within the integral formalism of nonlocal elasticity. The entropic component is highly nonlinear and no kernel may be separated. The implications of considering a nonlocal description for nanostructured materials in place of the conventional local one are discussed.

ЦИТИРОВАНО В
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