Proceedings Vol. 21 (2015)
ENGINEERING MECHANICS 2015
May 11 – 14, 2015, Svratka, Czech Republic
Copyright © 2015 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 200 - 201, full text
The quasicontinuum (QC) method was proposed by Tadmor, Ortiz and Phillips  in 1996. The original application of this computational technique was a simulation of large atomistic systems with regular lattices described by long-range conservative interaction potentials. Extension to nonconservative interaction was done by Beex et al. . In the present work, the QC technique is applied to an irregular set of particles connected by discrete plastic links representing e.g. a fibrous material. QC models for plastic materials are constructed within the framework of the microplane theory. Accuracy, efficiency and specific properties of QC microplane models are evaluated by comparison of results with the pure particle approach.
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