Boundary element analysis of deformation and movement of a capsule and a red blood cell close to the wall

S. Nix, Y. Imai, T. Ishikawa, T. Yamaguchi

研究成果: Conference article査読

抄録

Acapsuleis definedas aliquiddropenclosedbyanelastic membrane. Thestudyof capsule behavior near a stationary surface has a numberof biological applications, such as red blood cells in the cardiovascular system. However, near-wall behavior of capsules has not been established well. In this study, we investigate the motion of initially spherical and biconcave capsules in simple shear flow near an infinite plane using a boundary integral method coupled to a finite element method. We find that the deformation of a capsule depends on its initial shape, orientation, and capillary number (Ca). However, the lift velocity of a capsule is dependent on its steady state deformation and distance from the wall. The dependence of lift velocity on deformation may help to explain phenomena such as leukocyte margination.

本文言語English
ページ(範囲)191-199
ページ数9
ジャーナルWIT Transactions on Modelling and Simulation
53
DOI
出版ステータスPublished - 2012
イベント34th International Conference on Boundary Elements and other Mesh Reduction Methods - BEM/MRM 2012, BE12 - Split, Croatia
継続期間: 2012 7 252012 7 27

ASJC Scopus subject areas

  • モデリングとシミュレーション
  • 計算数学

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