Publications

Z. Peng, Y. Ding, K. Pietrzyk, G.J. Elfring, O.S. Pak, Propulsion via flexible flapping in granular media
Submitted.

G. Goyal, G.J. Elfring, I.A. Frigaard, Rheology and flow studies of drag reducing gravel packing fluids
Submitted.


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. pdf 

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. pdf 

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

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

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. pdf 

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. pdf 

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

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. pdf 

M. Sauzade, G.J. Elfring, E. Lauga, Taylor’s swimming sheet: Analysis and improvement of the perturbation series
Physica D, 240 (2011) 1567-1573. pdf 
(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. pdf 

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

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

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