Active and passive microrheology: Theory and simulation
RN Zia - Annual Review of Fluid Mechanics, 2018 - annualreviews.org
Microrheological study of complex fluids traces its roots to the work of the botanist Robert
Brown in the early nineteenth century. Indeed, passive microrheology and Brownian motion …
Brown in the early nineteenth century. Indeed, passive microrheology and Brownian motion …
Data-driven physics-informed constitutive metamodeling of complex fluids: A multifidelity neural network (MFNN) framework
In this work, we introduce a comprehensive machine-learning algorithm, namely, a
multifidelity neural network (MFNN) architecture for data-driven constitutive metamodeling of …
multifidelity neural network (MFNN) architecture for data-driven constitutive metamodeling of …
Lagrangian-based simulation method using constrained Stokesian dynamics for particulate flows in microchannel
A simulation method has been developed to efficiently evaluate the motion of colloidal
particles in a low-Reynolds-number confined microchannel flow using a Lagrangian-based …
particles in a low-Reynolds-number confined microchannel flow using a Lagrangian-based …
Gravitational collapse of colloidal gels: non-equilibrium phase separation driven by osmotic pressure
P Padmanabhan, R Zia - Soft Matter, 2018 - pubs.rsc.org
Delayed gravitational collapse of colloidal gels is characterized by initially slow compaction
that gives way to rapid bulk collapse, posing interesting questions about the underlying …
that gives way to rapid bulk collapse, posing interesting questions about the underlying …
Confined Brownian suspensions: Equilibrium diffusion, thermodynamics, and rheology
AM Sunol, RN Zia - Journal of Rheology, 2023 - pubs.aip.org
We examine the impact of confinement on the structure, dynamics, and rheology of
spherically confined macromolecular suspensions, with a focus on the role played by …
spherically confined macromolecular suspensions, with a focus on the role played by …
[HTML][HTML] The non-Newtonian rheology of hydrodynamically interacting colloids via active, nonlinear microrheology
HCW Chu, RN Zia - Journal of Rheology, 2017 - pubs.aip.org
The non-Newtonian rheology of a dilute suspension of hydrodynamically interacting colloids
is studied theoretically via active, nonlinear microrheology. In this Stokes-flow regime, a …
is studied theoretically via active, nonlinear microrheology. In this Stokes-flow regime, a …
Particulate fouling simulation in unit micropore using a hydrodynamically coupled Lagrangian framework
Predicting and mitigating pore clogging is challenging for the sustainable operation of water
treatment systems. During transport and filtration through membrane micropores, buoyant …
treatment systems. During transport and filtration through membrane micropores, buoyant …
Toward a nonequilibrium Stokes-Einstein relation via active microrheology of hydrodynamically interacting colloidal dispersions
HCW Chu, RN Zia - Journal of colloid and interface science, 2019 - Elsevier
We derive a theoretical model for the nonequilibrium stress in a flowing colloidal suspension
by tracking the motion of a single embedded probe. While Stokes-Einstein relations connect …
by tracking the motion of a single embedded probe. While Stokes-Einstein relations connect …
Parallel accelerated Stokesian dynamics with Brownian motion
We present scalable algorithms to simulate large-scale stochastic particle systems
amenable for modeling dense colloidal suspensions, glasses and gels. To handle the large …
amenable for modeling dense colloidal suspensions, glasses and gels. To handle the large …
Sticky, active microrheology: Part 1. Linear-response
DE Huang, RN Zia - Journal of colloid and interface science, 2019 - Elsevier
Attractive colloidal-scale forces between macromolecules in biological fluids are suspected
to play a role in important system dynamics, including association times, spatially …
to play a role in important system dynamics, including association times, spatially …