Sedimentation of pairs of hydrodynamically interacting semiflexible filaments

Details Sedimentation of pairs of hydrodynamically interacting semiflexible filaments Sedimentation of pairs of hydrodynamically interacting semiflexible filaments

2007-10-08

arxiv.org/abs/0710.1558v1

Physics

Condensed Matter

Soft Condensed Matter

11 pages, 11 figures. to appear in Phys. Rev. E

Scientific paper

10.1103/PhysRevE.76.061901

We describe the effect of hydrodynamic interactions in the sedimentation of a pair of inextensible semiflexible filaments under a uniform constant force at low Reynolds numbers. We have analyzed the different regimes and the morphology of such polymers in simple geometries, which allow us to highlight the peculiarities of the interplay between elastic and hydrodynamic stresses. Cooperative and symmetry breaking effects associated to the geometry of the fibers gives rise to characteristic motion which give them distinct properties from rigid and elastic filaments.

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