Molecular dynamics of Poiseuille flow and moving contact lines

Joel Koplik, Jayanth R. Banavar, and Jorge F. Willemsen
Phys. Rev. Lett. 60, 1282 – Published 28 March 1988
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Abstract

We report on molecular-dynamics simulations of the lowReynolds-number flow of Lennard-Jones fluids through a channel. Application of a pressure gradient to a single fluid produces Poiseuille flow with a no-slip boundary condition and Taylor-Aris hydrodynamic dispersion. For an immiscible two-fluid system we find a (predictable) static contact angle and, when accelerated, velocity-dependent advancing and receding contact angles. The approximate local velocity field is obtained, in which the no-slip condition appears to break down near the contact line.

  • Received 21 October 1987

DOI:https://doi.org/10.1103/PhysRevLett.60.1282

©1988 American Physical Society

Authors & Affiliations

Joel Koplik, Jayanth R. Banavar, and Jorge F. Willemsen

  • Schlumberger-Doll Research, Ridgefield, Connecticut 06877

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Issue

Vol. 60, Iss. 13 — 28 March 1988

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