Follow
Aleksandr Obabko
Aleksandr Obabko
Assistant Computational Scientist
Verified email at mcs.anl.gov
Title
Cited by
Cited by
Year
On the strong scaling of the spectral element solver Nek5000 on petascale systems
N Offermans, O Marin, M Schanen, J Gong, P Fischer, P Schlatter, ...
Proceedings of the Exascale Applications and Software Conference 2016, 1-10, 2016
892016
Characterization of the secondary flow in hexagonal ducts
O Marin, R Vinuesa, AV Obabko, P Schlatter
Physics of Fluids 28 (12), 2016
682016
Large-scale large eddy simulation of nuclear reactor flows: Issues and perspectives
E Merzari, A Obabko, P Fischer, N Halford, J Walker, A Siegel, Y Yu
Nuclear Engineering and Design 312, 86-98, 2017
592017
High-resolution coupled physics solvers for analysing fine-scale nuclear reactor design problems
VS Mahadevan, E Merzari, T Tautges, R Jain, A Obabko, M Smith, ...
Philosophical Transactions of the Royal Society A: Mathematical, Physical …, 2014
562014
Toward exascale: overview of large eddy simulations and direct numerical simulations of nuclear reactor flows with the spectral element method in Nek5000
E Merzari, P Fischer, M Min, S Kerkemeier, A Obabko, D Shaver, H Yuan, ...
Nuclear Technology 206 (9), 1308-1324, 2020
542020
Navier–Stokes solutions of unsteady separation induced by a vortex
AV Obabko, KW Cassel
Journal of Fluid Mechanics 465, 99-130, 2002
542002
Efficient exascale discretizations: High-order finite element methods
T Kolev, P Fischer, M Min, J Dongarra, J Brown, V Dobrev, T Warburton, ...
The International Journal of High Performance Computing Applications 35 (6 …, 2021
492021
A novel numerical treatment of the near-wall regions in the k− ω class of RANS models
A Tomboulides, SM Aithal, PF Fischer, E Merzari, AV Obabko, DR Shaver
International Journal of Heat and Fluid Flow 72, 186-199, 2018
492018
Nek5000: User’s manual
P Fischer, J Lottes, S Kerkemeier, O Marin, K Heisey, A Obabko, ...
Argonne National Laboratory, Lemont, IL, Technical Report No. ANL/MCS-TM-351, 2015
442015
Accurate prediction of the wall shear stress in rod bundles with the spectral element method at high Reynolds numbers
J Walker, E Merzari, A Obabko, P Fischer, A Siegel
International journal of heat and fluid flow 50, 287-299, 2014
382014
The lnfluence of a Moving Wall on Unsteady Separation
KW Cassel, AV Obabko
Proceedings of 37th Aerospace Sciences Meeting and Exhibit, AIAA Paper 99-1005, 1999
35*1999
Comparison of experimental and simulation results on interior subchannels of a 61-pin wire-wrapped hexagonal fuel bundle
N Goth, P Jones, DT Nguyen, R Vaghetto, YA Hassan, A Obabko, ...
Nuclear Engineering and Design 338, 130-136, 2018
342018
CFD validation in OECD/NEA t-junction benchmark.
AV Obabko, PF Fischer, TJ Tautges, S Karabasov, VM Goloviznin, ...
Argonne National Lab.(ANL), Argonne, IL (United States), 2011
322011
Spectral element applications in complex nuclear reactor geometries: Tet-to-hex meshing
H Yuan, MA Yildiz, E Merzari, Y Yu, A Obabko, G Botha, G Busco, ...
Nuclear Engineering and design 357, 110422, 2020
292020
Verification and Validation of Nek5000 for T-junction, Matis, SIBERIA, and Max Experiments
A Obabko, P Fischer, O Marin, E Merzari, D Pointer
Internation Conference on Nuclear Reactor Thermal Hydrualics 31, 2015
262015
CFD benchmark for a heavy liquid metal fuel assembly
H Doolaard, A Shams, F Roelofs, K Van Tichelen, S Keijers, J De Ridder, ...
16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics …, 2015
262015
Wall resolved large eddy simulation of reactor core flows with the spectral element method
E Merzari, A Obabko, P Fischer, M Aufiero
Nuclear Engineering and Design 364, 110657, 2020
252020
A porous medium model for predicting the duct wall temperature of sodium fast reactor fuel assembly
Y Yu, E Merzari, A Obabko, J Thomas
Nuclear Engineering and Design 295, 48-58, 2015
252015
High-fidelity simulation of flow-induced vibrations in helical steam generators for small modular reactors
E Merzari, H Yuan, A Kraus, A Obabko, P Fischer, J Solberg, S Lee, J Lai, ...
Nuclear Technology 205 (1-2), 33-47, 2019
232019
Large eddy simulation of thermo-hydraulic mixing in a T-Junction
AV Obabko, PF Fischer, TJ Tautges, VM Goloviznin, MA Zaytsev, ...
Nuclear Reactor Thermal Hydraulics and Other Applications 25, 2012
222012
The system can't perform the operation now. Try again later.
Articles 1–20