Stokesian Dynamics with odd viscosity

TL;DR

This paper extends Stokesian Dynamics to include odd viscosity effects, allowing simulation of collective behaviors in active fluids with broken time reversal symmetry, which was not possible with traditional methods.

Contribution

The authors developed a modified Stokesian Dynamics framework that incorporates odd viscosity, enabling accurate simulation of active fluid systems with broken time reversal symmetry.

Findings

Successfully incorporated odd viscosity into Stokesian Dynamics

Simulated collective behaviors in active fluids with both even and odd viscosity

Provided a new computational tool for studying active matter dynamics

Abstract

Stokesian Dynamics is a well-established computational method for simulating dynamics of many particles suspended in a conventional passive fluid medium. Active fluids composed of self-propelling particles with broken time reversal symmetry permit the emergence of a so-called odd viscosity. In this work, we extended the conventional Stokesian Dynamics formalism to incorporate the additional hydrodynamic effects due to odd viscosity, which enables simulating collective behaviors of many particles suspended in an active fluid medium with both even viscosity and odd viscosity.