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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.23594
|2 doi
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|a pubmed24n0789.xml
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|a eng
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|a Di Pasquale, Nicodemo
|e verfasserin
|4 aut
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|a A multiple time step scheme for multiresolved models of macromolecules
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 16.04.2015
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|a Date Revised 09.05.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2014 Wiley Periodicals, Inc.
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|a In hybrid particle models where coarse-grained beads and atoms are used simultaneously, two clearly separate time scales are mixed. If such models are used in molecular dynamics simulations, a multiple time step (MTS) scheme can therefore be used. In this manuscript, we propose a simple MTS algorithm which approximates for a specific number of integration steps the slow coarse-grained bead-bead interactions with a Taylor series approximation while the atom-atom ones are integrated every time step. The procedure is applied to a previously developed hybrid model of a melt of atactic polystyrene (di Pasquale, Marchisio, and Carbone, J. Chem. Phys. 2012, 137, 164111). The results show that structure, local dynamics, and free diffusion of the model are not altered by the application of the integration scheme which can confidently be used to simulate multiresolved models of polymer melts
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|a Journal Article
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|a hybrid molecular models
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|a molecular dynamics
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|a multiple time step
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| 650 |
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|a multiscale modeling
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|a polymers
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|a Gowers, Richard J
|e verfasserin
|4 aut
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|a Carbone, Paola
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 35(2014), 16 vom: 15. Juni, Seite 1199-207
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
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|g volume:35
|g year:2014
|g number:16
|g day:15
|g month:06
|g pages:1199-207
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| 856 |
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|u http://dx.doi.org/10.1002/jcc.23594
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