Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 13, Issue 37, Pages 16618-16628Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp20604d
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Novel coarse-grained models for molecular dynamics of tridecanoin melts are here proposed as results of a coarse-graining step procedure. The procedure is implemented to develop three coarse-grained models of increasing number of particle types from two to four. Force fields are computed by minimization of the deviations of appropriate distribution functions of the coarse-grained models from those of a reference atomistic one. Density, diffusivity and shear viscosity are computed by numerical simulation and compared with experimental values. The ability of each model to describe liquid-solid transitions is also analyzed. In particular, the model with four types of coarse-grained beads shows a transition from a liquid to a crystal phase.
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