Dissipative Particle Dynamics and other particle methods for multiphase fluid flow in fractured and porous media

TL;DR

This paper reviews particle methods like dissipative particle dynamics for simulating multiphase fluid flow in fractured and porous media, highlighting their advantages and specific applications at mesoscale levels.

Contribution

It introduces applications of molecular dynamics, dissipative particle dynamics, and smoothed particle hydrodynamics in modeling complex fluid systems in porous structures.

Findings

Dissipative particle dynamics effectively simulates mesoscale systems.

Particle methods conserve mass and momentum without explicit interface tracking.

These methods are less computationally efficient but offer advantages in certain scenarios.

Abstract

Particle methods are less computationally efficient than grid based numerical solution of the Navier Stokes equation. However, they have important advantages including rigorous mass conservation, momentum conservation and isotropy. In addition, there is no need for explicit interface tracking/capturing and code development effort is relatively low. We describe applications of three particle methods: molecular dynamics, dissipative particle dynamics and smoothed particle hydrodynamics. The mesoscale (between the molecular and continuum scales) dissipative particle dynamics method can be used to simulate systems that are too large to simulate using molecular dynamics but small enough for thermal fluctuations to play an important role.