Macroscale (Continuum-Level) Modeling for Non-Neutrally Buoyant Suspensions Diffusive-Flux Model

Piston-Driven Flow of Suspension Creates a 3-D Axisymmetric Flow Field

Change in Concentration Profile as Piston Travels From Right to Left

Comparison of Diffusive Flux Model and Experiment

Eccentric Rotating Cylinders

Finite element formulation also accurately predicts recirculation in e=1/2 journal bearing

Finite element results agree qualitatively with NMR data for neutrally buoyant particles

Quiescent Settling in an Expanding Cylinder

Viscous Resuspension in a Rotating Couette

No Existing Rheological Model Can Correctly Predict Migration Rates in a Couette Device Over a Range of Sphere Diameters

Deficiencies of Current Macroscale Modeling Capabilities