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Propulsion by a Helical Flagellum in a Capillary Tube
Bin Liu, Kenneth S. Breuer, Thomas R. Powers
We study the microscale propulsion of a rotating helical filament confined by a cylindrical tube, using a boundary-element method for Stokes flow that accounts for helical symmetry…
Swimming near Deformable Membranes at Low Reynolds Number
Marcelo A. Dias, Thomas R. Powers
Microorganisms are rarely found in Nature swimming freely in an unbounded fluid. Instead, they typically encounter other organisms, hard walls, or deformable boundaries such as fre…
Helical swimming in Stokes flow using a novel boundary-element method
Bin Liu, Kenneth S. Breuer, Thomas R. Powers
We apply the boundary-element method to Stokes flows with helical symmetry, such as the flow driven by an immersed rotating helical flagellum. We show that the two-dimensional boun…