Halvor M Nilsen

RECENT SCHOLAR PUBLICATIONS

Phase behavior and black-oil simulations of Hydrogen storage in saline aquifers
E Ahmed, O Myner, X Raynaud, HM Nilsen
Advances in Water Resources 191, 104772 2024



Nonlinear domain-decomposition preconditioning for robust and efficient field-scale simulation of subsurface flow
O Myner, AF Rasmussen, Klemetsdal, HM Nilsen, A Moncorg, KA Lie
Computational Geosciences 28 (2), 241-251 2024



Modelling and optimization of shallow underground thermal energy storage
Klemetsdal, O Andersen, S Krogstad, HM Nilsen, E Bastesen
Geoenergy 1 (1), geoenergy2023-005 2023



Thermo-Electrochemical Simulation of Large-Format Li-Ion Cells in 3D Using the Battery Modelling Toolbox (BattMo)
A Johansson, O Bolzinger, S Clark, E Flores, H Nilsen, X Raynaud, ...
Electrochemical Society Meeting Abstracts 244, 972-972 2023



Adaptive timestepping, linearization, and a posteriori error control for multiphase flow of immiscible fluids in porous media with wells
E Ahmed, Klemetsdal, X Raynaud, O Myner, HM Nilsen
SPE Journal 28 (02), 554-574 2023



Constrained Pressure Residual Preconditioner Including Wells for Reservoir Simulation
HM Nilsen, E Ahmed, AF Rasmussen, K Bao, T Skille
SPE Reservoir Simulation Conference, D021S009R001 2023



Efficient numerical simulation of vacuum swing adsorption using automatic differentiation
F Watson, HM Nilsen, Klemetsdal, S Krishnamurthy, K Olsen Lye
Proceedings of the 16th Greenhouse Gas Control Technologies Conference (GHGT 2022



Modeling and Optimization of Shallow Geothermal Heat Storage
Klemetsdal, H Nilsen, S Krogstad, O Andersen, E Bastesen
ECMOR 2022 2022 (1), 1-21 2022



Efficient adjoint-based well-placement optimization using flow diagnostics proxies
S Krogstad, HM Nilsen
Computational Geosciences 26 (4), 883-896 2022



Constrained mixers for QAOA
FG Fuchs, KO Lye, HM Nilsen, AJ Stasik, G Sartor
arXiv preprint arXiv:2203.06095 2022



An adaptive sequential fully implicit domain-decomposition solver
S Klemetsdal, A Moncorg, HM Nilsen, O Myner, K Lie
SPE Journal 27 (01), 566-578 2022



High-resolution compositional reservoir simulation with dynamic coarsening and local timestepping for unstructured grids
S Klemetsdal, O Myner, A Moncorg, HM Nilsen, K Lie
SPE Journal 26 (06), 4157-4173 2021



Toward Accurate Reservoir Simulations on Unstructured Grids: Design of Simple Error Estimators and Critical Benchmarking of Consistent Discretization Methods for Practical
X Raynaud, A Pizzolato, A Johansson, F Caresani, A Ferrari, O Myner, ...
SPE Journal 26 (06), 4109-4127 2021



Adaptive Time Stepping, Linearization and a Posteriori Error Control for Multiphase Flow with Wells
E Ahmed, Klemetsdal, X Raynaud, O Myner, HM Nilsen
SPE Reservoir Simulation Conference, D011S009R004 2021



Rapid Optimisation of the New Sleipner Benchmark Model
F Watson, O Andersen, HM Nilsen
TCCS–11. CO2 Capture, Transport and Storage. Trondheim 22nd–23rd June 2021 2021



Comparison between algebraic multigrid and multilevel multiscale methods for reservoir simulation
H Nilsen, A Moncorge, K Bao, O Myner, K Lie, A Brodtkorb
ECMOR XVII 2020 (1), 1-17 2020



Evaluating thermal losses and storage capacity in high-temperature aquifer thermal energy storage (HT-ATES) systems with well operating limits: insights from a study-case in
M Collignon, S Klemetsdal, O Myner, M Alcani, AP Rinaldi, H Nilsen, ...
Geothermics 85, 101773 2020



Improved technology for the integration of simulation and monitoring data for CO2 storage
F Watson, HM Nilsen, O Andersen, B Dupuy, P Eliasson, A Romdhane
International Energy Agency Greenhouse Gas R&D Programme (IEAGHG), 15th 2020



Multi-model hybrid compositional simulator with application to segregated flow
O Myner, O Andersen, HM Nilsen
Computational Geosciences 24 (2), 775-787 2020



An implicit local time-stepping method based on cell reordering for multiphase flow in porous media
G Linga, O Myner, HM Nilsen, A Moncorg, KA Lie
Journal of Computational Physics: X 6, 100051 2020

MOST CITED SCHOLAR PUBLICATIONS

Open-source MATLAB implementation of consistent discretisations on complex grids
KA Lie, S Krogstad, IS Ligaarden, JR Natvig, HM Nilsen, B Skaflestad
Computational Geosciences 16, 297-322 2012
Citations: 533



MRST-AD–an open-source framework for rapid prototyping and evaluation of reservoir simulation problems
S Krogstad, KA Lie, O Myner, HM Nilsen, X Raynaud, B Skaflestad
SPE Reservoir Simulation Conference, D022S002R004 2015
Citations: 204



Uncertainties in practical simulation of CO2 storage
JM Nordbotten, B Flemisch, SE Gasda, HM Nilsen, Y Fan, GE Pickup, ...
International Journal of Greenhouse Gas Control 9, 234-242 2012
Citations: 125



Field-case simulation of CO2-plume migration using vertical-equilibrium models
HM Nilsen, PA Herrera, M Ashraf, I Ligaarden, M Iding, C Hermanrud, ...
Energy Procedia 4, 3801-3808 2011
Citations: 110



Virtual element method for geomechanical simulations of reservoir models
O Andersen, HM Nilsen, X Raynaud
Computational Geosciences 21, 877-893 2017
Citations: 56



Fully-implicit simulation of vertical-equilibrium models with hysteresis and capillary fringe
HM Nilsen, KA Lie, O Andersen
Computational Geosciences 20, 49-67 2016
Citations: 54



Evaluating thermal losses and storage capacity in high-temperature aquifer thermal energy storage (HT-ATES) systems with well operating limits: insights from a study-case in
M Collignon, S Klemetsdal, O Myner, M Alcani, AP Rinaldi, H Nilsen, ...
Geothermics 85, 101773 2020
Citations: 53



Analysis of CO2 trapping capacities and long-term migration for geological formations in the Norwegian North Sea using MRST-co2lab
HM Nilsen, KA Lie, O Andersen
Computers & geosciences 79, 15-26 2015
Citations: 53



Dynamic stability of a doubly quantized vortex in a three-dimensional condensate
E Lundh, HM Nilsen
Physical Review A—Atomic, Molecular, and Optical Physics 74 (6), 063620 2006
Citations: 52



Ionization and excitation dynamics of H (1 s) in short intense laser pulses
JP Hansen, J Lu, LB Madsen, HM Nilsen
Physical Review A 64 (3), 033418 2001
Citations: 51



Robust simulation of sharp-interface models for fast estimation of CO2 trapping capacity in large-scale aquifer systems
HM Nilsen, KA Lie, O Andersen
Computational Geosciences 20 (1), 93-113 2016
Citations: 50



Impact of top-surface morphology on CO2 storage capacity
HM Nilsen, AR Syversveen, KA Lie, J Tveranger, JM Nordbotten
International Journal of Greenhouse Gas Control 11, 221-235 2012
Citations: 48



Impact of structural heterogeneity on upscaled models for large-scale CO2 migration and trapping in saline aquifers
SE Gasda, HM Nilsen, HK Dahle
Advances in water resources 62, 520-532 2013
Citations: 46



A simulation workflow for large-scale CO2 storage in the Norwegian North Sea
KA Lie, HM Nilsen, O Andersen, O Myner
Computational Geosciences 20 (3), 607-622 2016
Citations: 44



Fast simulation of polymer injection in heavy-oil reservoirs on the basis of topological sorting and sequential splitting
KA Lie, HM Nilsen, AF Rasmussen, X Raynaud
SPE Journal 19 (06), 991-1004 2014
Citations: 43



A multiscale mixed finite-element solver for three-phase black-oil flow
S Krogstad, KA Lie, HM Nilsen, JR Natvig, B Skaflestad, JE Aarnes
SPE Reservoir Simulation Conference, SPE-118993-MS 2009
Citations: 43



Velocity of vortices in inhomogeneous Bose–Einstein condensates
HM Nilsen, G Baym, CJ Pethick
Proceedings of the National Academy of Sciences 103 (21), 7978-7981 2006
Citations: 43



Numerical modelling of non-newtonian fluid flow in fractures and porous media
K Bao, A Lavrov, HM Nilsen
ECMOR XV-15th European Conference on the Mathematics of Oil Recovery, cp-494 2016
Citations: 42



Spill-point analysis and structural trapping capacity in saline aquifers using MRST-co2lab
HM Nilsen, KA Lie, O Myner, O Andersen
Computers & geosciences 75, 33-43 2015
Citations: 42



Adjoint multiscale mixed finite elements
S Krogstad, VL Hauge, AF Gulbransen
SPE Journal 16 (01), 162-171 2011
Citations: 41