Journal of Computational Physics
A fast computation technique for the direct numerical simulation of rigid particulate flows
Journal of Computational Physics
A fast computation technique for the direct numerical simulation of rigid particulate flows
Journal of Computational Physics
A fictitious domain method for particulate flows with heat transfer
Journal of Computational Physics
A stochastic immersed boundary method for fluid-structure dynamics at microscopic length scales
Journal of Computational Physics
Stochastic Event-Driven Molecular Dynamics
Journal of Computational Physics
Original Articles: Meshfree method for fluctuating hydrodynamics
Mathematics and Computers in Simulation
A dynamic mesh refinement technique for Lattice Boltzmann simulations on octree-like grids
Computational Mechanics
A stochastic finite element model for the dynamics of globular macromolecules
Journal of Computational Physics
Hi-index | 31.48 |
In this paper, we present a direct numerical simulation scheme for the Brownian motion of particles. In this approach, the thermal fluctuations are included in the fluid equations via random stress terms. Solving the fluctuating hydrodynamic equations coupled with the particle equations of motion result in the Brownian motion of the particles. There is no need to add a random force term in the particle equations. The particles acquire random motion through the hydrodynamic force acting on its surface from the surrounding fluctuating fluid. The random stress in the fluid equations are easy to calculate unlike the random terms in the conventional Brownian dynamics type approaches. We present a three-dimensional implementation along with validation.