Babak Hejazialhosseini

Babak Hejazialhosseini
Chair of Computational Science
Clausiusstrasse 33

ETH-Zentrum, CLT E 12

CH-8092 Zürich
Phone: +41 44 632 87 28
Fax: +41 44 632 17 03


  • High performance computing
  • Adaptive algorithms
  • Compressible multiphase flows
  • Numerical methods for multicomponent flows
  • Scientific visualization


  • ETH Medal for PhD Thesis

  • PRACE Computing Award 2014-2015 (50 million CPU hours)

  • ACM Gordon Bell Prize 2013

  • Milton van Dyke movie Award 2012


  • Gazzola M., Hejazialhosseini B., Koumoutsakos P., Reinforcement Learning and Wavelet Adapted Vortex Methods for Simulations of Self-propelled SwimmersSIAM J. Sci. Comput., 36(3):1748, 2014 (doi) (pdf)
  • Rossinelli D., Hejazialhosseini B. , Hadjidoukas P., Bekas C., Curioni A., Bertsch A., Futral S., Schmidt S.J., Adams N.A. and Koumoutsakos P., 11 PFLOP/s simulations of cloud cavitation collapse. Gordon Bell Prize, SC'13, 2013 (doi)
  • Hejazialhosseini B., Rossinelli D., Koumoutsakos P., Vortex dynamics in 3D shock-bubble interaction, Physics of Fluids, 25, 110816, 2013 (pdf) (doi)
  • Hejazialhosseini B., Rossinelli D., Koumoutsakos P., 3D shock-bubble interaction, Physics of Fluids Gallery of Fluid Motion, 25, 091105, 2013 (pdf) (doi) (movie)
  • Hejazialhosseini B., Conti C., Rossinelli D., Koumoutsakos P., High performance CPU kernels for multiphase compressible flowsLecture Notes in Computer Science, 7851, 216-225, Springer Berlin,  2013. (pdf)
  • Hejazialhosseini B., Rossinelli D., Conti C., Koumoutsakos P., High throughput software for direct numerical simulations of compressible two-phase flows, SC '12 Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis, IEEE Computer Society Press, 2012 (link)
  • Rossinelli D., Hejazialhosseini B., Spampinato D., Koumoutsakos P., Multicore/Multi-GPU Accelerated Simulations of Multiphase Compressible Flows Using Wavelet Adapted Grids, SIAM J. Sci. Comput. 33, pp. 512-540, 2011 (Abstract) (pdf
  • Rossinelli D., Hejazialhosseini B., Bergdorf M.,Koumoutsakos P., Wavelet-adaptive solvers on multi-core architectures for the simulation of complex systems, Concurrency and Computation: Practice and Experience, 2010 (Abstract) (pdf)
  • Hejazialhosseini B., Rossinelli D., Bergdorf M., Koumoutsakos P., High order Finite Volume methods on Wavelet-adapted Grids with Local Time-Stepping on Multicore Architectures for the Simulation of Shock-Bubble Interactions, Journal of Computational Physics, in Press, 2010 (Abstract) (pdf)
  • Rossinelli D., Bergdorf M., Hejazialhosseini B., and Koumoutsakos P., Wavelet based adaptive simulation of complex systems on multicore architectures. Lecture Notes In Computer Science, 5704, 10, 721-734, (Abstract) (pdf),  (Distinguished Paper Award in Euro-Par 2009)


  • TA: Modelling and Simulation - Winter Semester 2008 (D-INFK)
  • TA: Advanced Computational Science - Spring Semester 2009 (D-INFK)
  • TA: Numerical Methods for CSE - Winter Semester 2009 (D-MATH)
  • TA: Numerical Analysis of PDEs - Spring Semester 2010 (D-INFK)