Nano Science and Technology Institute
Nanotech 2007 Vol. 1
Nanotech 2007 Vol. 1
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1
 
Chapter 6: Nanoscale Modeling
 

Atomistic-Continuum Simulations of Carbon Nanotubes in LIquids

Authors:P. Koumoutsakos, E. Kotsalis, J.H. Walther and A. Dupuis
Affilation:ETH Z├╝rich, CH
Pages:548 - 551
Keywords:multiscale modeling, carbon nanotubes, liquids
Abstract:We consider atomistic continuum simulations of carbon nanotube configurations embedded in flows of dense liquids. We consider Schwartz domain decompositions algorithms implying that non-periodic boundary conditions are imposed on the molecular system. In these algorithms, a boundary force is imposed at the molecular system in order to account properly for the virial component of the pressure. This force results in density fluctuations that depend on the state point of the liquid. We determine the boundary force by using a simple control algorithm for the density fluctuations. The results indicate that the present approach outperforms state-of-the-art algorithms while its simplicity makes it suitable for any type of coupling between atomistic and continuum descriptions of dense fluids. We present results of flows coupling Molecular Dynamics with Finite Element discretization and Lattice Boltzmann Models of the Navier-Stokes equations
Atomistic-Continuum Simulations of Carbon Nanotubes in LIquidsView PDF of paper
ISBN:1-4200-6182-8
Pages:726
Hardcopy:$139.95
 
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