Lattice Boltzmann simulations of contact line motion in a liquid-gas system

被引：131

作者：

Briant, AJ ^{[1
]}

Papatzacos, P ^{[1
]}

Yeomans, JM ^{[1
]}

机构：

[1] Univ Oxford, Dept Theoret Phys, Oxford OX1 3NP, England

来源：

PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2002年 / 360卷 / 1792期

关键词：

mesoscale modelling; lattice Boltzmann; wetting; droplet dynamics; dynamic contact angle;

D O I：

10.1098/rsta.2001.0943

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We use a lattice Boltzmann algorithm for liquid-gas coexistence to investigate the steady-state interface profile of a droplet held between two shearing walls. The algorithm solves the hydrodynamic equations of motion for the system. Partial wetting at the walls is implemented to agree with Cahn theory. This allows us to investigate the processes which lead to the motion of the three-phase contact line. We confirm that the profiles are a function of the capillary number and a finite-size analysis shows the emergence of a dynamic contact angle, which can be defined in a region where the interfacial curvature tends to zero.

引用

页码：485 / 495

页数：11

共 32 条

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