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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

Building on Oldroyd’s viscoplastic legacy: Perspectives and new developments
NJ Balmforth, RV Craster, DR Hewitt
– Journal of Non-Newtonian Fluid Mechanics
(2021)
294,
104580
High-Rayleigh-number convection in porous–fluid layers
T Le Reun, DR Hewitt
– Journal of Fluid Mechanics
(2021)
920,
a35
On two-phase modeling of dewatering pulp suspensions
DT Paterson, TS Eaves, DR Hewitt, NJ Balmforth, DM Martinez
– AIChE Journal
(2021)
67,
ARTN e17277
Tidal Grounding-Line Migration Modulated by Subglacial Hydrology
KLP Warburton, DR Hewitt, JA Neufeld
– Geophysical Research Letters
(2020)
47,
ARTN e2020GL089088
Internally Heated Porous Convection: An Idealized Model for Enceladus' Hydrothermal Activity
T Le Reun, DR Hewitt
– Journal of Geophysical Research Planets
(2020)
125,
ARTN e2020JE006451
Vigorous convection in porous media.
DR Hewitt
– Proceedings. Mathematical, physical, and engineering sciences
(2020)
476,
20200111
Vigorous convection in porous media: Vigorous convection in porous media
DR Hewitt
– Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
(2020)
476,
Obstructed viscoplastic flow in a Hele-Shaw cell
M Daneshi, J Mackenzie, NJ Balmforth, DM Martinez, DR Hewitt
– Physical Review Fluids
(2020)
5,
013301
Dewatering saturated, networked suspensions with a screw press
TS Eaves, DT Paterson, DR Hewitt, NJ Balmforth, DM Martinez
– Journal of Engineering Mathematics
(2019)
120,
1
Buoyancy-driven plumes in a layered porous medium
DR Hewitt, GG Peng, JR Lister
– Journal of Fluid Mechanics
(2019)
883,
a37
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