Imperial College London


Faculty of EngineeringDepartment of Earth Science & Engineering

Research Associate



+44 (0)20 7594 9984n.barral




4.88Royal School of MinesSouth Kensington Campus





I am a Research Associate in the AMCG group.

My primary research interests are mesh adaptation for transient simulations, moving mesh strategies for problems with deforming boundaries and CFD methods.

My webpage at my previous lab, with movies on mesh adaptation for moving geometries:


  • Research associate, Applied Modelling and Computation Group, Imperial College London (2016- )
  • PhD, GAMMA3 team, Inria Paris Rocquencourt (2012-2015)
  • Masters degree, Numerical modelling and simulation, Ecole Centrale Paris (2012)
  • Engineering degree, Applied maths, Ecole Centrale Paris (2012)


  • Numerical Methods1 (1st year): class website
    Teaching assistant + lecturer (24 hours) + class material
  • Introduction to programming for geoscientists (1st year): class website
    Teaching assistant (24 hours) + grading



Barral N, Knepley MG, Lange M, et al., Anisotropic mesh adaptation in Firedrake with PETSc DMPlex

Ibanez D, Barral N, Krakos J, et al., 2017, First benchmark of the Unstructured Grid Adaptation Working Group, Procedia Engineering, Vol:203, ISSN:1877-7058, Pages:154-166

Barral N, Olivier G, Alauzet F, 2017, Time-accurate anisotropic mesh adaptation for three-dimensional time-dependent problems with body-fitted moving geometries, Journal of Computational Physics, Vol:331, ISSN:0021-9991, Pages:157-187

George PL, Borouchaki H, Barral N, 2016, Geometric validity (positive jacobian) of high-order Lagrange finite elements, theory and practical guidance, Engineering With Computers, Vol:32, ISSN:0177-0667, Pages:405-424

Thesis Dissertations

Barral NX, 2015, Time-accurate anisotropic mesh adaptation for three-dimensional moving mesh problems

More Publications