Viscous forces on nematic point defects

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7 Citations (Scopus)


The effect of backflow in defect dynamics is assessed by computing the viscous force on point and line defects that move due to reorientation. It is found that defects with a positive winding number are accelerated while defects with a negative winding number are slowed down by the backflow. The results are in agreement with experimental and numerical results for defect annihilation.
Original languageEnglish
Pages (from-to)287-295
Number of pages8
JournalContinuum Mechanics and Thermodynamics
Issue number3
Publication statusPublished - 23 Jun 2005


  • liquid crystals
  • defect dynamics
  • backflow
  • physics
  • fluid dynamics

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