Oana Marin
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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
Nek5000 user documentation
P Fischer, J Lottes, S Kerkemeier, O Marin, K Heisey, E Obabko, ...
Argonne National Laboratory, Lemont, IL, Report No. ANL/MCS-TM-351, 2016
Characterization of the secondary flow in hexagonal ducts
O Marin, R Vinuesa, AV Obabko, P Schlatter
Physics of Fluids 28 (12), 2016
The three-dimensional structure of swirl-switching in bent pipe flow
L Hufnagel, J Canton, R Örlü, O Marin, E Merzari, P Schlatter
Journal of Fluid Mechanics 835, 86-101, 2018
Corrected trapezoidal rules for a class of singular functions
O Marin, O Runborg, AK Tornberg
IMA Journal of Numerical Analysis 34 (4), 1509-1540, 2014
Asynchronous two-level checkpointing scheme for large-scale adjoints in the spectral-element solver Nek5000
M Schanen, O Marin, H Zhang, M Anitescu
Procedia Computer Science 80, 1147-1158, 2016
The PetscSF scalable communication layer
J Zhang, J Brown, S Balay, J Faibussowitsch, M Knepley, O Marin, ...
IEEE Transactions on Parallel and Distributed Systems 33 (4), 842-853, 2021
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
Adaptive mesh refinement for steady flows in Nek5000
N Offermans, A Peplinski, O Marin, P Schlatter
Computers & Fluids 197, 104352, 2020
A highly accurate boundary treatment for confined Stokes flow
O Marin, K Gustavsson, AK Tornberg
Computers & Fluids 66, 215-230, 2012
Turbulence statistics in a spectral element code: a toolbox for High-Fidelity Simulations
R Vinuesa, L Fick, P Negi, O Marin, E Merzari, P Schlatter
Argonne National Lab.(ANL), Argonne, IL (United States), 2017
Fourier neural networks as function approximators and differential equation solvers
M Ngom, O Marin
Statistical Analysis and Data Mining: The ASA Data Science Journal 14 (6 …, 2021
Boundary integral methods for Stokes flow: Quadrature techniques and fast Ewald methods
O Marin
KTH Royal Institute of Technology, 2012
Direct numerical simulation of fluid flow in a 5x5 square rod bundle
A Kraus, E Merzari, T Norddine, O Marin, S Benhamadouche
International Journal of Heat and Fluid Flow 90, 108833, 2021
Verification and validation of large eddy simulation with Nek5000 for cold leg mixing benchmark
JK Lai, E Merzari, YA Hassan, P Fischer, O Marin
Nuclear Engineering and Design 358, 110427, 2020
Fitting Matérn smoothness parameters using automatic differentiation
MLS Christopher J Geoga, Oana Marin, Michel Schanen
Statistics and Computing, 2023
Lossy data compression effects on wall-bounded turbulence: bounds on data reduction
E Otero, R Vinuesa, O Marin, E Laure, P Schlatter
Flow, Turbulence and Combustion 101 (2), 365-387, 2018
Large-scale lossy data compression based on an a priori error estimator in a spectral element code
O Marin, M Schanen, PF Fischer
ANL/MCS-P6024-0616, 2016
Non-conforming elements in Nek5000: pressure preconditioning and parallel performance
A Peplinski, N Offermans, PF Fischer, P Schlatter
Spectral and High Order Methods for Partial Differential Equations ICOSAHOM …, 2020
Modeling of two-phase flow in a BWR fuel assembly with a highly-scalable CFD code
A Tentner, P Vegendla, A Obabko, A Tomboulides, P Fischer, O Marin, ...
16-th International Topical Meeting on Nuclear Reactor Thermal Hydraulics …, 2015
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