Vacillating breathing and tumbling of vesicles under shear flow.

@article{Misbah2006VacillatingBA,
  title={Vacillating breathing and tumbling of vesicles under shear flow.},
  author={Chaouqi Misbah},
  journal={Physical review letters},
  year={2006},
  volume={96 2},
  pages={028104}
}
The dynamics of vesicles under a shear flow are analyzed analytically in the small deformation regime. We derive two coupled nonlinear equations which describe the vesicle orientation in the flow and its shape evolution. A new type of motion is found, namely, a "vacillating-breathing" mode: the vesicle orientation undergoes an oscillation around the flow direction, while the shape executes breathing dynamics. This solution coexists with tumbling. Moreover, we provide an explicit expression for… CONTINUE READING

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