Resolving the microscopic hydrodynamics at the moving contact line
Soft Condensed Matter
2022-11-02 v1 Fluid Dynamics
Abstract
The molecular structure of moving contact lines (MCLs) and the emergence of a corresponding macroscopic dissipation have made the MCL a paradigm of fluid dynamics. Through novel averaging techniques that remove capillary waves smearing we achieve an unprecedented resolution in molecular dynamics (MD) simulations and find that they match with the continuum description obtained by finite element method (FEM) down to molecular scales. This allows us to distinguish dissipation at the liquid-solid interface (Navier-slip) and at the contact line, the latter being negligible for the rather smooth substrate considered.
Cite
@article{arxiv.2211.00406,
title = {Resolving the microscopic hydrodynamics at the moving contact line},
author = {Amal K. Giri and Paolo Malgaretti and Dirk Peschka and Marcello Sega},
journal= {arXiv preprint arXiv:2211.00406},
year = {2022}
}