Fluid-wall interactions in pseudopotential lattice Boltzmann models

Cheng Peng, Luis F. Ayala, Orlando M. Ayala

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Designing proper fluid-wall interaction forces to achieve proper wetting conditions is an important area of interest in pseudopotential lattice Boltzmann models. In this paper, we propose a modified fluid-wall interaction force that applies for pseudopotential models of both single-component fluids and partially miscible multicomponent fluids, such as hydrocarbon mixtures. A reliable correlation that predicts the resulting liquid contact angle on a flat solid surface is also proposed. This correlation works well over a wide variety of pseudopotential lattice Boltzmann models and thermodynamic conditions.

Original languageEnglish (US)
Article number035301
JournalPhysical Review E
Issue number3
StatePublished - Sep 2021

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics


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