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Dynamic Simulation of Suspensions of Non-Spherical Particles by Boundary Element Techniques

  • D. R. Boyington and D. S. Soane
Published/Copyright: May 27, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 4 Issue 1

Abstract

A method is developed for the simulation of the transient structure and rheology of concentrated suspensions of generally-shaped particles. This procedure is a modification of the Stokesian dynamics method using boundary element to evaluate the multiple interactions of an arbitrary number of particles. The effect of commonly-used pairwise additivity assumptions on the particle velocities and suspension stress is shown for several three-spheroid structures. In general, superposition of forces gives better results than additivity of disturbance velocities. Methods for improving the simulation and an experimental program to measure the transient particle orientations and viscosity of concentrated suspensions are discussed.

* Mail address: Dr. D. S. Soane, Department of Chemical Engineering, University of California at Berkeley, Berkeley, CA 94720, U.S.A.
Published Online: 2013-05-27
Published in Print: 1989-03-01

© 1989, Carl Hanser Verlag, Munich

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https://doi.org/10.3139/217.890035

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Analysis of Agglomerate Rupture in Linear Flow Fields
  5. Simulation of Flow and Mixing in an Internal Mixer
  6. Gelation and Fusion of PVC Plastisols with Plasticizers of Varying Solvent Power
  7. Flow Visualization of the Rubber Compounding Cycle in an Internal Mixer based on Elastomer Blends
  8. Thermal Aging on the Dielectric Properties of Recycled High Impact Polystyrene
  9. Dynamic Simulation of Suspensions of Non-Spherical Particles by Boundary Element Techniques
  10. Numerical Simulation of Wire-Coating Coextrusion
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