Computer Simulation Study of Collective Phenomena in Dense Suspensions of Red Blood Cells under Shear

Authors: Krüger, Timm

  • Publication in the field of natural sciences

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About this book

The rheology of dense red blood cell suspensions is investigated via computer simulations based on the lattice Boltzmann, the immersed boundary, and the finite element methods. The red blood cells are treated as extended and deformable particles immersed in the ambient fluid. In the first part of the work, the numerical model and strategies for stress evaluation are discussed. In the second part, the behavior of the suspensions in simple shear flow is studied for different volume fractions, particle deformabilities, and shear rates. Shear thinning behavior is recovered. The existence of a shear-induced transition from a tumbling to a tank-treading motion is demonstrated. The transition can be parameterized by a single quantity, namely the effective capillary number. It is the ratio of the suspension stress and the characteristic particle membrane stress. At the transition point, a strong increase in the orientational order of the red blood cells and a significant decrease of the particle diffusivity are observed. However, the average cell deformation shows no signature of the transition.

About the authors

Timm Krüger is physicist with focus on computational modeling of complex fluids at the Department of Applied Physics, Eindhoven University of Technology.

Table of contents (11 chapters)

  • Motivation, aims, and outline of the thesis

    Krüger, Timm

    Pages 1-2

  • Introduction to complex fluids and their rheology

    Krüger, Timm

    Pages 5-10

  • Introduction to the physics of red blood cells and hemorheology

    Krüger, Timm

    Pages 11-14

  • Physical considerations and ingredients for the numerical model

    Krüger, Timm

    Pages 17-19

  • Fluid solver: the lattice Boltzmann method

    Krüger, Timm

    Pages 21-36

Buy this book

eBook $69.99
price for USA (gross)
  • ISBN 978-3-8348-2376-2
  • Digitally watermarked, DRM-free
  • Included format: EPUB, PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Softcover $89.99
price for USA
  • ISBN 978-3-8348-2375-5
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Rent the eBook  
  • Rental duration: 1 or 6 month
  • low-cost access
  • online reader with highlighting and note-making option
  • can be used across all devices
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Bibliographic Information

Bibliographic Information
Book Title
Computer Simulation Study of Collective Phenomena in Dense Suspensions of Red Blood Cells under Shear
Authors
Copyright
2012
Publisher
Vieweg+Teubner Verlag
Copyright Holder
Springer Spektrum | Springer Fachmedien Wiesbaden GmbH
eBook ISBN
978-3-8348-2376-2
DOI
10.1007/978-3-8348-2376-2
Softcover ISBN
978-3-8348-2375-5
Edition Number
1
Number of Pages
XIII, 165
Topics