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Department of Applied Mathematics and Theoretical Physics

Career

  • 2015-: Research Fellow, Gonville and Caius College, University of Cambridge
  • 2014-2015 Killam Postdoctoral Fellow, University of British Columbia, Vancouver
  • 2010-2014: Ph.D, Applied Mathematics, University of Cambridge.
  • 2009-2010: Part III Mathematics, (M.Math), Sidney Sussex College, University of Cambridge
  • 2006-2009: B.A. Mathematics, Sidney Sussex College, University of Cambridge
     

 

Please see my website:  www.damtp.cam.ac.uk/user/drh39/

 

Selected Publications

  • Hewitt, D.R., Neufeld, J.A., and Lister, J.R. High Rayleigh number convection in a porous medium containing a thin low-permeability layer, under review in Journal of Fluid Mechanics 

  • Hewitt, D.R., Neufeld, J.A., and Lister, J.R. High Rayleigh number convection in a three-dimensional porous medium, Journal of Fluid Mechanics 2014 748 (879-895)

  • Hewitt, D.R., Neufeld, J.A., and Lister, J.R. Stability of columnar convection in a porous medium, Journal of Fluid Mechanics 2013 737 (205-231)

  • Hewitt, D.R., Balmforth,N.J. Thixotropic gravity currents, Journal of Fluid Mechanics 2013 727 (56-82)

  • Hewitt, D.R., Neufeld, J.A., and Lister, J.R. Convective shutdown in a porous medium at high Rayleigh number, Journal of Fluid Mechanics 2013 719 (551-586)

  • Hewitt, D.R., Neufeld, J.A., and Lister, J.R. Ultimate regime of high Rayleigh number convection in a porous medium, Physical Review Letters 2012 108 (224503) 

 

Publications

Buoyancy-driven plumes in a layered porous medium
DR Hewitt, GG Peng, JR Lister
– Journal of Fluid Mechanics
(2019)
883,
a37
Translating and squirming cylinders in a viscoplastic fluid
R Supekar, DR Hewitt, NJ Balmforth
– Journal of Fluid Mechanics
(2019)
882,
a11
Flow-driven compaction of a fibrous porous medium
DT Paterson, TS Eaves, DR Hewitt, NJ Balmforth, DM Martinez
– Physical Review Fluids
(2019)
4,
074306
Stable and unstable miscible displacements in layered porous media.
JS Nijjer, DR Hewitt, JA Neufeld
– Journal of Fluid Mechanics
(2019)
869,
468
Viscoplastic slender-body theory
DR Hewitt, NJ Balmforth
– Journal of Fluid Mechanics
(2018)
856,
870
The influence of a poroelastic till on rapid subglacial flooding and cavity formation
DR Hewitt, GP Chini, JA Neufeld
– Journal of Fluid Mechanics
(2018)
855,
1170
The dynamics of miscible viscous fingering from onset to shutdown
JS Nijjer, DR Hewitt, JA Neufeld
– Journal of Fluid Mechanics
(2018)
837,
520
Stability of three-dimensional columnar convection in a porous medium
DR Hewitt, JR Lister
– Journal of Fluid Mechanics
(2017)
829,
89
Taylor’s swimming sheet in a yield-stress fluid
DR Hewitt, NJ Balmforth
– Journal of Fluid Mechanics
(2017)
828,
33
Imbibition with swelling: Capillary rise in thin deformable porous media
M Kvick, D Mark Martinez, DR Hewitt, NJ Balmforth
– Physical Review Fluids
(2017)
2,
074001
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