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Life around the scallop theorem
E Lauga - Soft Matter, 2011 - pubs.rsc.org
Locomotion on small scales is dominated by the effects of viscous forces and, as a result, is
subject to strong physical and mathematical constraints. Following Purcell's statement of the …
subject to strong physical and mathematical constraints. Following Purcell's statement of the …
Light-propelled self-sustained swimming of a liquid crystal elastomer torus at low Reynolds number
K Li, Z Chen, P Xu - International Journal of Mechanical Sciences, 2022 - Elsevier
The well-known Purcell's toroidal swimmer can translate in low Reynolds number fluid, by
periodically changing its own shape in a nonreciprocal way to overcome the scallop …
periodically changing its own shape in a nonreciprocal way to overcome the scallop …
Enhanced diffusion by reciprocal swimming
E Lauga - Physical review letters, 2011 - APS
Purcell's scallop theorem states that swimmers deforming their shapes in a time-reversible
manner (“reciprocal” motion) cannot swim. Using numerical simulations and theoretical …
manner (“reciprocal” motion) cannot swim. Using numerical simulations and theoretical …
Efficient kinematics for jet-propelled swimming
We use computer simulations and an analytical model to study the relationship between
kinematics and performance in jet-propelled jellyfish swimming. We prescribe different …
kinematics and performance in jet-propelled jellyfish swimming. We prescribe different …
Jet propulsion without inertia
A body immersed in a highly viscous fluid can locomote by drawing in and expelling fluid
through pores at its surface. We consider this mechanism of jet propulsion without inertia in …
through pores at its surface. We consider this mechanism of jet propulsion without inertia in …
Janus magnetoelastic membrane swimmers
Y ** elastic disks as microswimmers: swimming at low Reynolds numbers by shape hysteresis
C Wischnewski, J Kierfeld - Soft Matter, 2020 - pubs.rsc.org
We illustrate a concept for shape-changing microswimmers, which exploits the hysteresis of
a shape transition of an elastic object, by an elastic disk undergoing cyclic localized …
a shape transition of an elastic object, by an elastic disk undergoing cyclic localized …
Rolling spheres and the Willmore energy
F Knöppel, U Pinkall, P Schröder, Y Soliman - ar** of rigid helical bodies in viscous fluids
Rotating helical bodies of arbitrary cross-sectional profile and infinite length are explored as
they swim through or transport a viscous fluid. The Stokes equations are studied in a helical …
they swim through or transport a viscous fluid. The Stokes equations are studied in a helical …
On the viscous flows of leak-out and spherical cap natation
RJ Ryham - Journal of Fluid Mechanics, 2018 - cambridge.org
This paper deals with the hydrodynamics of a viscous liquid passing through the hole in a
deflating hollow sphere. I employ the method of complementary integrals and calculate in …
deflating hollow sphere. I employ the method of complementary integrals and calculate in …