Numerical modeling of atomistic-to-continuum coupling based on bridiging domain method

Marenić, Eduard and Sorić, Jurica and Tonković, Zdenko (2011) Numerical modeling of atomistic-to-continuum coupling based on bridiging domain method. = Numerical modeling of atomistic-to-continuum coupling based on bridiging domain method. PAMM : Proceedings in applied mathematics and mechanics, 11 (1). pp. 539-540. ISSN 1617-7061. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 3.

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Abstract

Nano-submodeling is an approach that enables insertion of nano-refined submodel (atomistic) in the global model (continuum). In this work analysis of the spurious effects that may arise in the concurrent atomistic-to-continuum coupling is performed. The coupling is based on the overlapping domain decomposition (ODD) method called bridging domain (similar is Arlequin method) where different models are overlapped and the displacements compatibility is enforced via Lagrange multipliers (LM). Some coupling options such as energy weighting, coupling zone geometry and LM field interpolation are tested.

Item Type:	Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian):	atomistic-to-continuum coupling, bridging domain method, molecular mechanics, ghost forces, multi-scale method
Subjects:	TECHNICAL SCIENCE > Mechanical Engineering
Divisions:	200 Department of Engineering Mechanics > 210 Chair of Mechanics and Strength of Materials
Indexed in Web of Science:	No
Indexed in Current Contents:	No
Date Deposited:	31 Mar 2016 09:33
Last Modified:	04 Apr 2016 12:39
URI:	http://repozitorij.fsb.hr/id/eprint/5313

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