Nano-submodelling technique based on overlapping domain decomposition method

Marenić, Eduard and Sorić, Jurica and Tonković, Zdenko (2012) Nano-submodelling technique based on overlapping domain decomposition method. = Nano-submodelling technique based on overlapping domain decomposition method. Transactions of FAMENA, 36 (1). pp. 1-12. ISSN 1333-1124. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q4 (2012). Točan broj autora: 3.

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Abstract

A multiscale method that couples an atomistic with a continuum model is presented. Nano-submodelling (nSM) is an approach that enables the insertion of a nano-refined submodel (atomistic) in a global model (continuum). The applied concurrent atomistic-to-continuum coupling of the two models is based on the overlapping domain decomposition scheme called the bridging domain method or on a similar method, the Arlequin method. Different models overlap and the displacement compatibility is enforced via Lagrange multipliers. In this study, an analysis of the spurious effects that may arise in and near the coupling domain is performed. Some coupling options such as energy weighting, coupling zone geometry, and the Lagrange multiplier field interpolation are tested.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Atomistic-to-continuum coupling; Bridging domain method; Ghost forces; Molecular mechanics; Multiscale
Subjects: TECHNICAL SCIENCE
Divisions: 200 Department of Engineering Mechanics > 210 Chair of Mechanics and Strength of Materials
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Quartiles: Q4 (2012)
Citations SCOPUS: 1 (30.11.2016.)
Date Deposited: 27 Apr 2015 12:56
Last Modified: 30 Nov 2016 11:07
URI: http://repozitorij.fsb.hr/id/eprint/3959

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