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Faculty of Mathematics

 

Career

  • 2016-date: Keniston-Cooper Junior Research Fellow, Trinity College, Cambridge
  • 2012-2016: PhD, DAMTP, University of Cambridge
  • 2008-2012: BA + MMath, University of Cambridge

Research

Gunnar is a Junior Research Fellow at Trinity College and a member of the Institute of Theoretical Geophysics at the Department of Applied Mathematics and Theoretical Physics. He is interested in problems involving slow viscous flows, including

  • Interaction with deformable boundaries
  • Viscous fingering
  • Diffusion-driven flow
  • Buoyancy-driven flow

Publications

Viscous-fingering mechanisms under a peeling elastic sheet
GG Peng, JR Lister
– Journal of Fluid Mechanics
(2019)
864,
1177
Backflow from a model fracture network: An asymptotic investigation
A Dana, GG Peng, HA Stone, HE Huppert, GZ Ramon
– Journal of Fluid Mechanics
(2019)
864,
899
Start-up flow in shallow deformable microchannels
A Martínez-Calvo, A Sevilla, GG Peng, HA Stone
– Journal of Fluid Mechanics
(2020)
885,
a25
Viscous fingering in a radial elastic-walled Hele-Shaw cell
D Pihler-Puzović, GG Peng, JR Lister, M Heil, A Juel
– Journal of Fluid Mechanics
(2018)
849,
163
Dynamics of viscous backflow from a model fracture network
A Dana, Z Zheng, GG Peng, HA Stone, HE Huppert, GZ Ramon
– Journal of Fluid Mechanics
(2018)
836,
828
Displacement flows under elastic membranes. Part 2. Analysis of interfacial effects
GG Peng, D Pihler-Puzović, A Juel, M Heil, JR Lister
– Journal of Fluid Mechanics
(2015)
784,
512
Displacement flows under elastic membranes. Part 1. Experiments and direct numerical simulations
D Pihler-Puzović, A Juel, GG Peng, JR Lister, M Heil
– Journal of Fluid Mechanics
(2015)
784,
487
The initial transient and approach to self-similarity of a very viscous buoyant thermal
GG Peng, JR Lister
– Journal of Fluid Mechanics
(2014)
744,
352
Viscous control of peeling an elastic sheet by bending and pulling
JR Lister, GG Peng, JA Neufeld
– Physical Review Letters
(2013)
111,
154501

Research Group

Theoretical Geophysics

Room

H1.07

Telephone

01223 764067