Publications

A. Kong, A. Pallaoro, D. Yapp, G.J. Elfring, M. Bacca, The effect of glucose restriction on cancer cell contractility: A threshold response in U-87 glioma
Preprint.

L. Caparini, G.J. Elfring, M. Ponga, Adaptive design of experiments methodology for noise resistance with unreplicated experiments
Preprint.

Z. Ge, G.J. Elfring, Dissipation and microstructure in sheared active suspensions of squirmers
Submitted, (2026).

Z. Ge, J.F. Brady, G.J. Elfring, Nonmonotonic diffusion in sheared active suspensions of squirmers
Physical Review Letters, 135 (2025) 238302.

V.A. Shaik, J. Gong, G.J. Elfring, Durotaxis in viscoelastic fluids
Physical Review Fluids, 10 (2025) L071301.

V.A. Shaik, G.J. Elfring, Mixing in by squirmers stratified fluids
Physical Review Fluids, 10 (2025) 024102

Z. Ge, G.J. Elfring, Hydrodynamic diffusion in apolar active suspensions of squirmers
Journal of Fluid Mechanics, 1003 (2025) A17.

M. Boudina, G.J. Elfring, Equilibrium states of a liquid bridge between flexible sheets
Langmuir, 40 (2024) 23243−23251.

J. Gong, V.A. Shaik, G.J. Elfring, Swimming efficiency in viscosity gradients
Journal of Fluid Mechanics, 998 (2024) A2.

V.A. Shaik, G.J. Elfring, Densitaxis: Active particle motion in density gradients
PNAS, 121 (2024) e2405466121.

R. Gupta, M. Daneshi, I.A. Frigaard, G.J. Elfring, Shear Layers and plugs in the capillary flow of wormlike micellar gels
Soft Matter, 20 (2024) 4715−4733.

J. Gong, V.A. Shaik, G.J. Elfring, Active spheroids in viscosity gradients
Journal of Fluid Mechanics, 984 (2024) A26.

M. Boudina, G.J. Elfring, Capillary imbibition in a diverging flexible channel
Langmuir, 39 (2023) 12174−12181.

M. Ferraresso, A. Kong, M. Hasan, D. Agostinelli, G.J. Elfring, M. Bacca, Energetics of cytoskeletal gel contraction
Soft Matter, 19 (2023) 5430−5442.

V.A. Shaik, Z. Peng, J.F. Brady, G.J. Elfring, Confined active matter in external fields
Soft Matter, 19 (2023) 1384−1392.

J. Gong, V.A. Shaik, G.J. Elfring, Active particles crossing sharp viscosity gradients
Scientific Reports, 13 (2023) 596.

R.S. Mitishita, G.J. Elfring, I.A. Frigaard, Statistics and spectral analysis of turbulent duct flows with flexible and rigid polymer solutions
Journal of Non-Newtonian Fluid Mechanics, 311 (2023) 104952.

Z. Ge, G.J. Elfring, Rheology of periodically sheared suspensions undergoing reversible-irreversible transition
Physical Review E, 106 (2022) 054616.

G.J. Elfring, J.F. Brady, Active Stokesian Dynamics
Journal of Fluid Mechanics, 952 (2022) A19.

D. Agostinelli, G.J. Elfring, M. Bacca, The morphological role of ligand inhibitors in blocking receptor- and clathrin-mediated endocytosis
Soft Matter, 18 (2022) 3531−3545.

R.S. Mitishita, G.J. Elfring, I.A. Frigaard, Turbulent drag reduction of viscoelastic wormlike micellar gels
Journal of Non-Newontian Fluid Mechanics, 301 (2022) 104724.

V.A. Shaik, G.J. Elfring, Hydrodynamics of active particles in viscosity gradients
Physical Review Fluids, 6 (2021) 103103.

R. Gupta, R.S. Mitishita, I.A. Frigaard, G.J. Elfring, Rheology of wormlike micellar gels formed by long-chained zwitterionic surfactants
Journal of Rheology, 65 (2021) 1065−1080.

R.S. Mitishita, J.A. MacKenzie, G.J. Elfring, I.A. Frigaard, Fully turbulent flows of viscoplastic fluids in a rectangular duct
Journal of Non-Newtonian Fluid Mechanics, 293 (2021) 104570.

G.J. Elfring, A. Ferrante, Editorial: Introduction to the 37th Annual Gallery of Fluid Motion (Seattle, Washington, USA, 2019)
Physical Review Fluids, 5 (2020) 110001.

G.J. Elfring, S.E. Spagnolie, Editorial: Special issue on “Complex Fluids in Biological Systems”
Journal of Non-Newtonian Fluid Mechanics, 275 (2020) 104175.

C. Datt, G.J. Elfring, Active particles in viscosity gradients
Physical Review Letters, 123 (2019) 158006.

S.A. Abtahi, G.J. Elfring, Jeffery orbits in shear-thinning fluids
Physics of Fluids, 31 (2019) 103106. (Editor’s Pick)

C. Datt, G.J. Elfring, A note on higher-order perturbative corrections to squirming speed in weakly viscoelastic fluids
Journal of Non-Newtonian Fluid Mechanics, 270 (2019) 51−55. Corrigendum

K. Pietrzyk, H. Nganguia, C. Datt, L. Zhu, G.J. Elfring, O.S. Pak, Flow around a squirmer in a shear-thinning fluid
Journal of Non-Newtonian Fluid Mechanics, 268 (2019) 101−110.

B. Nasouri, B. Thorne, G.J. Elfring, Dynamics of poroelastocapillary rise
Journal of Fluids and Structures, 85 (2019) 220−228.

C. Datt, B. Nasouri, G.J. Elfring, Two-sphere swimmers in viscoelastic fluids
Physical Review Fluids, 3 (2018) 123301.

C. Datt, G.J. Elfring, Dynamics and rheology of particles in shear-thinning fluids
Journal of Non-Newtonian Fluid Mechanics, 262 (2018) 107−114.

B. Nasouri, G.J. Elfring, Higher-order force moments of active particles
Physical Review Fluids, 3 (2018) 044101.

G. Natale, C. Datt, S.G. Hatzikiriakos, G.J. Elfring, Autophoretic locomotion in weakly viscoelastic fluids at finite Péclet number
Physics of Fluids, 29 (2017) 123102. (Editor’s Pick)

G.J. Elfring, Force moments of an active particle in a complex fluid
Journal of Fluid Mechanics Rapids, 829 (2017) R3.

G. Goyal, G.J. Elfring, I.A. Frigaard, Rheology and flow studies of drag reducing gravel packing fluids
Rheologica Acta, 56 (2017) 905−914.

Z. Peng, Y. Ding, K. Pietrzyk, G.J. Elfring, O.S. Pak, Propulsion via flexible flapping in granular media
Physical Review E, 96 (2017) 012907.

C. Datt, G. Natale, S.G. Hatzikiriakos, G.J. Elfring, An active particle in a complex fluid
Journal of Fluid Mechanics, 823 (2017) 675−688.

B. Nasouri, A. Khot, G.J. Elfring, Elastic two-sphere swimmer in Stokes flow
Physical Review Fluids, 2 (2017) 043101.  

Z. Peng, G.J. Elfring, O.S. Pak, Maximizing propulsive thrust of a driven filament at low Reynolds number via variable flexibility
Soft Matter, 13 (2017) 2339−2347.  

G.J. Elfring, G. Goyal, The effect of gait on swimming in viscoelastic fluids
Journal of Non-Newtonian Fluid Mechanics, 234 (2016) 8−14.  

B. Nasouri, G.J. Elfring, Hydrodynamic interactions of cilia on a spherical body
Physical Review E, 93 (2016) 033111.  

G.J. Elfring, L.G. Leal, T.M. Squires, Surface viscosity and Marangoni stresses at surfactant laden interfaces
Journal of Fluid Mechanics, 792 (2016) 712−739.  

Z. Peng, O.S. Pak, G.J. Elfring, Characteristics of undulatory locomotion in granular media
Physics of Fluids, 28 (2016) 031901.

C. Datt, L. Zhu, G.J. Elfring, O.S. Pak, Squirming through shear-thinning fluids
Journal of Fluid Mechanics Rapids, 784 (2015) R1.  

G.J. Elfring, A note on the reciprocal theorem for the swimming of simple bodies
Physics of Fluids, 27 (2015) 023101.  

G.J. Elfring, E. Lauga, Theory of locomotion through complex fluids
Chapter in Complex Fluids in Biological Systems, S. E. Spagnolie (ed.), Springer, NY, (2014)

G.J. Elfring, E. Lauga, Buckling instability of squeezed droplets
Physics of Fluids, 24 (2012) 072102.  

M. Sauzade, G.J. Elfring, E. Lauga, Taylor’s swimming sheet: Analysis and improvement of the perturbation series
Physica D, 240 (2011) 1567−1573.   
(Special issue of the journal in celebration of the career of Steve Childress)

G.J. Elfring, E. Lauga, Synchronization of flexible sheets
Journal of Fluid Mechanics, 674 (2011) 163−173.  

G.J. Elfring, E. Lauga, Passive hydrodynamic synchronization of two-dimensional swimming cells
Physics of Fluids, 23 (2011) 011902.  

G.J. Elfring, O.S. Pak, E. Lauga, Two-dimensional flagellar synchronization in viscoelastic fluids
Journal of Fluid Mechanics, 646 (2010) 505−515.  

G.J. Elfring, E. Lauga, Hydrodynamic phase locking of swimming microorganisms
Physical Review Letters, 103 (2009) 088101. (Editors’ Suggestion) 

G.J. Elfring, H. Struchtrup, Thermodynamics of pore wetting and swelling in Nafion
Journal of Membrane Science, 315 (2008) 125−132.

H. Struchtrup, G.J. Elfring, External losses in high-bypass turbo fan air engines
International Journal of Exergy, Vol.5, No.4 (2008) 400−412.

G.J. Elfring, H. Struchtrup, Thermodynamic considerations on the stability of water in Nafion
Journal of Membrane Science, 297 (2007) 190−198.