Coarse-Graining and Scaling in Dissipative Particle Dynamics

Details Coarse-Graining and Scaling in Dissipative Particle Dynamics Coarse-Graining and Scaling in Dissipative Particle Dynamics

2007-03-26

arxiv.org/abs/cond-mat/0703682v2

Physics

Condensed Matter

Soft Condensed Matter

8 pages, 3 figures -- major changes to the text, simulations added

Scientific paper

Dissipative particle dynamics (DPD) is now a well-established method for simulating soft matter systems. However, its applicability was recently questioned because some investigations showed an upper coarse-graining limit that would prevent the applicability of the method to the whole mesoscopic range. This article aims to reestablish DPD as a truly scale-free method by analyzing the problems reported by other authors and by presenting a scaling scheme that allows one to gauge a DPD-simulation to any desired length scale.

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