Evolving ergodic flows in confined geometry.

Authors

Akshay Seethamraju, R Aravinda Narayanan, V Meenakshi

Published in

Physical review. E. Volume 114. Issue 3. Pages L032101.

Abstract

A state-based ergodic approach is introduced using a descriptor constructed from instantaneous, spatially resolved measurements to quantify the spatiotemporal evolution of system states in far-from-equilibrium systems. This method is demonstrated for the mixing process in confined water-glycerol flows driven across three milli-scale geometries, by combining experiments with lattice Boltzmann simulations that uniquely incorporate colloids as passive flow obstacles. This generalizable framework distinguishes nonequilibrium pathways by tracking information about accessed system states.

PMID:
42888784
Bibliographic data and abstract were imported from PubMed on 17 Oct 2026.

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