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Aleksandr Obabko

Computational Scientist


Aleks Obabko is actively working on  advanced reactor thermal-hydraulic modeling. He currently is head of an ALCC (ASCR Leadership Computing Challenge) project titled U.S.-Russia Collaboration on Verification and Validation in Thermal Hydraulics: Nek5000 and Conv3D Simulation of Siberia“Experiment,” for which he received 30 million hours on the IBM Blue Gene systems. He also is a fellow of the Argonne/University of Chicago Computation Institute.

Research Interests

  • Computational fluid dynamics
  • Nek5000
  • Large eddy simulations
  • Nuclear reactor thermal hydraulics