187 citations · 348 across the 14 of their papers we have counts for
15 papers · 1 filter
Self-Avoidance Governs Re-entrant Coil-Globule Transition of Inertial Active Brownian Ring Polymers
Rakesh Palariya, Arindam Panda, Roland G. Winkler +1
Active matter systems composed of self-propelled entities exhibit a wide range of out-of-equilibrium phase behaviors and collective dynamics. Assemblies of active particles, e.g.,…
Virial stress in systems of active Brownian particles in the presence of translational and rotational inertia
Chandranshu Tiwari, Sunil P. Singh, Roland G. Winkler
We elucidate the stress in a system of active Brownian particles augmented with translational and rotational inertia (ABP+TRI). Stress tensors are derived for periodic systems as w…
Two-dimensional active polar semiflexible polymer under shear flow
A. Lamura, R. G. Winkler
The nonequilibrium structural and dynamical properties of semiflexible active polar polymers subject to linear flow are studied by numerical simulations. Filaments are confined in…
Analytical Analysis of the Conformational and Rheological Properties of Flexible Active Polar Linear Polymers under Shear Flow
Arindam Panda, Sunil P Singh, Roland G. Winkler
The conformational and rheological properties of active polar linear polymers (APLPs) under linear shear flow are studied analytically. We describe a discrete APLP as an inextensib…
Binary Mixtures of Intelligent Active Brownian Particles with Visual Perception
Rajendra Singh Negi, Roland G. Winkler, Gerhard Gompper
The collective properties of a binary mixture of A- and B-type self-steering particles endowed with visual perception are studied by computer simulations. Active Brownian particles…
Activity-enhanced shear thinning of flexible linear polar polymers
Arindam Panda, Roland G. Winkler, Sunil P. Singh
The rheological properties of tangentially propelled flexible polymers under linear shear flow are studied by computer simulations and are compared with analytical calculations. We…
Active Polar Ring Polymer in Shear Flow -- An Analytical Study
Roland G. Winkler, Sunil P. Singh
We theoretically study the conformational and dynamical properties of semiflexible active polar ring polymers under linear shear flow. A ring is described as a continuous Gaussian…
Alignment-Induced Self-Organization of Autonomously Steering Microswimmers: Turbulence, Vortices, and Jets
Segun Goh, Elmar Westphal, Roland G. Winkler +1
Systems of motile microorganisms exhibit a multitude of collective phenomena, including motility-induced phase separation and turbulence. Sensing of the environment and adaptation…
HTMPC: A heavily templated C++ library for large scale particle-based mesoscale hydrodynamics simulations using multiparticle collision dynamics
Elmar Westphal, Segun Goh, Roland G. Winkler +1
We present HTMPC, a Heavily Templated C++ library for large-scale simulations implementing multi-particle collision dynamics (MPC), a particle-based mesoscale hydrodynamic simulati…
Characteristic features of self-avoiding active Brownian polymers under linear shear flow
Arindam Panda, Roland G. Winkler, Sunil P. Singh
We present Brownian dynamics simulation results of a flexible linear polymer with excluded-volume interactions under shear flow in the presence of active noise. The active noise st…
Wall entrapment of peritrichous bacteria: A mesoscale hydrodynamics simulation study
S. Mahdiyeh Mousavi, Gerhard Gompper, Roland G. Winkler
Microswimmers such as E. Coli bacteria accumulate and exhibit an intriguing dynamics near walls, governed by hydrodynamic and steric interactions. Insight into the underlying mecha…
Semiflexible polymers under external fields confined to two dimensions
A. Lamura, R. G. Winkler
The non-equilibrium structural and dynamical properties of semiflexible polymers confined to two dimensions are investigated by molecular dynamics simulations. Three different scen…
Backtracking of colloids: a multiparticle collision dynamics simulation study
M. Belushkin, R. G. Winkler, G. Foffi
The role of sound in the dynamics of mesoscale systems is typically neglected, since frequently the associated time scales are much smaller than all the other time scales of intere…
Mesoscale simulations of polymer dynamics in microchannel flows
L. Cannavacciuolo, R. G. Winkler, G. Gompper
The non-equilibrium structural and dynamical properties of flexible polymers confined in a square microchannel and exposed to a Poiseuille flow are investigated by mesoscale simula…
Dynamic regimes of fluids simulated by multiparticle-collision dynamics
M. Ripoll, K. Mussawisade, R. G. Winkler +1
We investigate the hydrodynamic properties of a fluid simulated with a mesoscopic solvent model. Two distinct regimes are identified, the `particle regime' in which the dynamics is…