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Biphasic, Lyotropic, Active Nematics
Matthew L. Blow, Sumesh P. Thampi, Julia M. Yeomans
We perform dynamical simulations of a two-dimensional active nematic fluid in coexistence with an isotropic fluid. Drops of active nematic become elongated, and an effective anchor…
Active nematic materials with substrate friction
Sumesh P. Thampi, Ramin Golestanian, Julia M. Yeomans
Active turbulence in dense active systems is characterized by high vorticity on a length scale that is large compared to that of individual entities. We describe the properties of…
Pancake bouncing on superhydrophobic surfaces
Yahua Liu, Lisa Moevius, Xinpeng Xu +3
Engineering surfaces that promote rapid drop detachment is of importance to a wide range of applications including anti-icing, dropwise condensation6, and self-cleaning. Here we sh…
Drop dynamics on hydrophobic and superhydrophobic surfaces
B. M. Mognetti, H. Kusumaatmaja, J. M. Yeomans
We investigate the dynamics of micron-scale drops pushed across a hydrophobic or superhydrophobic surface. The velocity profile across the drop varies from quadratic to linear with…
Using electrowetting to control interface motion in patterned microchannels
B. M. Mognetti, J. M. Yeomans
We use mesoscale simulations to demonstrate the feasibility of a novel microfluidic valve, which exploits Gibbs' pinning in microchannels patterned by posts or ridges, together wit…
CUDA simulations of active dumbbell suspensions
Victor Putz, Jorn Dunkel, Julia M. Yeomans
We describe and analyze CUDA simulations of hydrodynamic interactions in active dumbbell suspensions. GPU-based parallel computing enables us not only to study the time-resolved co…