University of Houston Research Site


Direct Simulation of the Motion of Particles in Flowing Liquids

A Project Partially Supported by NSF Grants

The project, Direct Simulation of the Motion of Particles in Flowing Liquids, is to address the modelling and the numerical simulation of the motion of many particles in flowing Newtonian and Non-Newtonian liquids.

These flows play very important role in Industry, including Chemical and Petroleum Engineering, such as fluidized beds, sedimentation, slurry transport, hydraulic fracturing, etc..

At UH, we mainly focused on applying Fictitious Domain Methodologies to simulate 2D and 3D particulate flows in Newtonian and visco-elastic fluids. Experimental validations have been done mostly by Professor D.D. Joseph's group at the University of Minnesota and also will be done by Professor H.L. Swinney's group at the University of Texas at Austin.

UH Site Leader

UH Site Members

Others Research Sites

Industrial Sponsors

Most Recent 3D Results:

Selected Video Animations

(1) Two-dimensional dynamical simulation by arbitrary Lagrangian-Eulerian Methodologies with Method of Characteristics. It shows two particles falling under gravity in Newtonian fluids with periodic boundary condition in vertical direction. In Newtonian fluids, particles draft, kiss, and tumble. In this video animation we have captureded those properties.

(2) Simulation of sedimentation of hundreds of particles in a closed two-dimensional box obtained by a distributed Lagrange multiplier/fictitious domain method with finite element method and operator splitiitng method.

Test Cases:

List of Publications

Date of last change: October, 2001