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Title: Hydrodynamic induced deformation of and orientation of a microscopic elastic filament
Author: Cosentino Lagomarsino, M.
Pagonabarraga Mora, Ignacio
Lowe, C. P.
Keywords: Biofísica
Física estadística
Dinàmica de fluids
Biological and medical physics
Statistical physics
Fluid dynamics
Issue Date: 2005
Publisher: American Physical Society
Abstract: We describe simulations of an elastic filament immersed in a fluid and subjected to a body force. The coupling between the fluid flow and the friction that the filament experiences induces bending and alignment perpendicular to the force. With increasing force there are four shape regimes, ranging from slight distortion to an unsteady tumbling motion. We also find marginally stable structures. The instability of these shapes and the alignment are explained by induced bending and nonlocal hydrodynamic interactions. These effects are experimentally relevant for stiff microfilaments.
Note: Reproducció digital del document proporcionada per PROLA i
It is part of: Physical Review Letters, 2005, vol. 94, núm. 14, p. 148104-1-148104-4
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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