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A new constitutive model for monodispersed suspensions of spheres at high concentrations

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Abstract

We describe a constitutive model for monodispersed concentrated suspensions of spheres at high volume fractions. In this model the motion of a pair of generic spheres is represented by that of a pair of force-free and torque-free spheres tumbling along with the flow. The interaction with the surrounding spheres is modelled by an anisotropic diffusion process. Viscometric and elongational properties of the model are obtained by a Brownian dynamic simulation.

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Authors and Affiliations

  1. Department of Mechanical and Mechatronic Engineering University of Sydney, NSW 2006 Australia, , , , , , AU

    Nhan Phan-Thien & Xi-Jun Fan

  2. The Institute of High Performance Computing, National University of Singapore, Singapore 119260, Singapore, , , , , , SG

    Boo Cheong Khoo

Authors
  1. Nhan Phan-Thien
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  2. Xi-Jun Fan
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  3. Boo Cheong Khoo
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Additional information

Received: 24 September 1998 Accepted: 1 December 1998

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Phan-Thien, N., Fan, XJ. & Khoo, B. A new constitutive model for monodispersed suspensions of spheres at high concentrations. Rheol. Acta 38, 297–304 (1999). https://doi.org/10.1007/s003970050181

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  • DOI: https://doi.org/10.1007/s003970050181

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