Aleksandr Obabko
Researcher
Department of Mathematics and Computer Science
Argonne National Laboratory
United States of America
Biography
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 Interest
computational fluid dynamics, Nek5000, large eddy simulations, nuclear reactor thermal hydraulics
Publications
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V. S. Mahadevan, Merzari, E., Tautges, T. J., Jain, R., Obabko, A. V., Smith, M., and Fischer, P. F., “High-Resolution Coupled Physics Solvers for Analysing Fine-Scale Nuclear Reactor Design Problemsâ€, Philos. Trans. A Math. Phys. eng. Sci., vol. 6, no. 3, 2014.
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A. V. Obabko, Fischer, P. F., Marin, O., Merzari, E., and Pointer, D., “Verification and Validation of Nek5000 for T-Junction, Matis, SIBERIA, and Max Experimentsâ€, 2015.
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A.V. Makarashvili, Merzari, E., Obabko, A. V., Fischer, P., and Siegel, A., “Accelerating The High-Fidelity Simulation of Turbulance: Ensemble Averagingâ€, in ASME 2016 Fluids Engineering Division Summer Meeting, 2017.
