Long range correction for wall-fluid interaction in molecular dynamic simulations
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HPCES010.pdf
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119.6 KB
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Adobe PDF
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2462aa5daa63496a4284ea8f38b3fb26
Author(s) •
He, Gang
Hadjiconstantinou, Nicolas G.
Date Issued
January 2004
Series/Report no.
High Performance Computation for Engineered Systems (HPCES);
Abstract
A new method is proposed for correctly modeling the long range interaction between a fluid and a bounding wall in atomistic simulations. This method incorporates the molecular structure of the solid substrate while allowing for a finite interaction cutoff by making a proper estimation of long range correction for the fluid-wall interaction. The method is then applied to a molecular dynamic simulation of a spreading droplet. Conparison to simulations using several other previously used methods shows that the long range correction can be significant in some circumstances.
Subjects
wall-fluid interaction
long range correction
molecular dynamic simulation
spreading droplet
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