Morphological transitions of elastic filaments in shear flow

• Published in: Proceedings of the National Academy of Sciences - PNAS Vol. 115; no. 38; pp. 9438 - 9443
• Main Authors: Liu, Yanan, Chakrabarti, Brato, Saintillan, David, Lindner, Anke, du Roure, Olivia
• Format: Journal Article
• Language: English
• Published: United States National Academy of Sciences 18.09.2018
• Subjects: Actin; Actin Cytoskeleton - chemistry; Actin Cytoskeleton - metabolism; Algorithms; Beam theory (structures); Behavior; Bends; Biophysical Phenomena; Computational fluid dynamics; Computer applications; Computer Simulation; Critical flow; Curvature; Deformation mechanisms; Dimensionless numbers; Drag; Elastic bending; Elasticity; Euler-Bernoulli beams; Filaments; Flagella; Flow stability; Fluctuations; Fluid Dynamics; Fluid flow; Fluorescence; Fluorescence microscopy; Hydrodynamics; Mechanics; Microfluidics; Microscopy; Microscopy, Fluorescence; Models, Theoretical; Molecular Conformation; Morphology; Motion stability; Physical Sciences; Physics; Rheological properties; Rheology; Shear flow; Solid mechanics; Streaming; Studies; Thermodynamics; Transitions; Tumbling; Viscosity; Viscous drag; buckling instabilities; actin filaments; flexible fibers; fluid structure interactions

The morphological dynamics, instabilities, and transitions of elastic filaments in viscous flows underlie a wealth of biophysical processes from flagellar propulsion to intracellular streaming and are also key to deciphering the rheological behavior of many complex fluids and soft materials. Here, w...