[HTML][HTML] Modelling motility: the mathematics of spermatozoa
In one of the first examples of how mechanics can inform axonemal mechanism, Machin's
study in the 1950s highlighted that observations of sperm motility cannot be explained by …
study in the 1950s highlighted that observations of sperm motility cannot be explained by …
Immersed buoyant viscoplastic injections
S Akbari, SM Taghavi - Journal of Non-Newtonian Fluid Mechanics, 2022 - Elsevier
In this study, the injection of a viscoplastic (yield stress) fluid into a quiescent Newtonian
medium is experimentally investigated, using a range of experimental methods, including …
medium is experimentally investigated, using a range of experimental methods, including …
Integral-based spectral method for inextensible slender fibers in Stokes flow
Every animal cell is filled with a cytoskeleton, a dynamic gel made of inextensible fibers,
such as microtubules, actin fibers, and intermediate filaments, all suspended in a viscous …
such as microtubules, actin fibers, and intermediate filaments, all suspended in a viscous …
Methods for suspensions of passive and active filaments
SF Schoeller, AK Townsend, TA Westwood… - Journal of …, 2021 - Elsevier
Flexible filaments and fibres are essential components of important complex fluids that
appear in many biological and industrial settings. Direct simulations of these systems that …
appear in many biological and industrial settings. Direct simulations of these systems that …
Filament mechanics in a half-space via regularised Stokeslet segments
We present a generalisation of efficient numerical frameworks for modelling fluid–filament
interactions via the discretisation of a recently developed, non-local integral equation …
interactions via the discretisation of a recently developed, non-local integral equation …
Well-posedness and applications of classical elastohydrodynamics for a swimming filament
Well-posedness and applications of classical elastohydrodynamics for a swimming filament
Page 1 Nonlinearity PAPER • OPEN ACCESS Well-posedness and applications of classical …
Page 1 Nonlinearity PAPER • OPEN ACCESS Well-posedness and applications of classical …
Buckling of elastic fibers in a shear flow
Three-dimensional dynamics of flexible fibers in shear flow are studied numerically, with a
qualitative comparison to experiments. Initially, the fibers are straight, with different …
qualitative comparison to experiments. Initially, the fibers are straight, with different …
Slender phoretic theory of chemically active filaments
P Katsamba, S Michelin… - Journal of Fluid …, 2020 - cambridge.org
Artificial microswimmers, or 'microbots', have the potential to revolutionise non-invasive
medicine and microfluidics. Microbots that are powered by self-phoretic mechanisms, such …
medicine and microfluidics. Microbots that are powered by self-phoretic mechanisms, such …
Scaling law for a buckled elastic filament in a shear flow
P Sznajder, L Liu, P Zdybel… - arXiv preprint arXiv …, 2023 - arxiv.org
We analyze the three-dimensional buckling of an elastic filament in a shear flow of a viscous
fluid at low Reynolds number and high Peclet number. We apply the Euler-Bernoulli beam …
fluid at low Reynolds number and high Peclet number. We apply the Euler-Bernoulli beam …
Doing more with less: the flagellar end piece enhances the propulsive effectiveness of human spermatozoa
Spermatozoa self-propel by propagating bending waves along a predominantly active
elastic flagellum. The organized structure of the 9+ 2 axoneme is lost in the most-distal few …
elastic flagellum. The organized structure of the 9+ 2 axoneme is lost in the most-distal few …