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Showing results 1-29 of 29

2017
1 Lie, Knut-Andreas; Møyner, Olav; Natvig, Jostein Roald.
A Feature-Enriched Multiscale Method for Simulating Complex Geomodels. I: SPE Reservoir Simulation Conference, 20-22 February, Montgomery, Texas, USA. Society of Petroleum Engineers 2017 ISBN 978-1-61399-483-2. p. -
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2 Lie, Knut-Andreas; Møyner, Olav; Natvig, Jostein Roald.
A Feature-Enriched Multiscale Method for Simulating Complex Geomodels. SPE Reservoir Simulation Conference; 2017-02-20 - 2017-02-22
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3 Lie, Knut-Andreas; Møyner, Olav; Natvig, Jostein Roald.
Use of multiple multiscale operators to accelerate simulation of complex geomodels. SPE Journal 2017 ;Volume 22.(06) p. -
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4 Lie, Knut-Andreas; Møyner, Olav; Natvig, Jostein Roald; Kozlova, Antonina; Bratvedt, Kyrre; Watanabe, Shingo; Li, Zhuoyi.
Successful application of multiscale methods in a real reservoir simulator environment. Computational Geosciences 2017 ;Volume 21.(5-6) p. 981-998
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2016
5 Lie, Knut-Andreas; Møyner, Olav; Natvig, Jostein Roald; Antonina, Kozlova; Bratvedt, Kyrre; Watanabe, S; Li, Z.
Successful Application of Multiscale Methods in a Real Reservoir Simulator Environment. I: ECMOR XV - Proceedings of 15th European Conference on the Mathematics of Oil Recovery, Amsterdam, Netherlands, 29 August - 1 September, 2016. European Association of Geoscientists and Engineers 2016 ISBN 978-94-6282-193-4. p. -
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6 Lie, Knut-Andreas; Møyner, Olav; Natvig, Jostein Roald; Kozlova, Antonina; Bratvedt, Kyrre; Watanabe, Shingo; Li, Zhuoyi.
Successful Application of Multiscale Methods in a Real Reservoir Simulator Environment. ECMOR XV - 15th European Conference on the Mathematics of Oil Recovery; 2016-08-29 - 2016-09-01
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7 Møyner, Olav.
Next Generation Multiscale Methods for Reservoir Simulation. Norges teknisk-naturvitenskapelige universitet 2016 (ISBN 978-82-326-2092-0) ;Volume 2016.451 p. Doktoravhandlinger ved NTNU(374)
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2014
8 Lie, Knut Andreas; Natvig, Jostein Roald; Krogstad, Stein; Yang, Yahan; Wu, Xiao-Hui.
Grid adaptation for the Dirichlet-Neumann representation method and the multiscale mixed finite-element method. Computational Geosciences 2014 ;Volume 18.(3-4) p. 357-372
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2012
9 Hauge, Vera Louise; Lie, Knut-Andreas; Natvig, Jostein Roald.
Flow-based coarsening for multiscale simulation of transport in porous media. Computational Geosciences 2012 ;Volume 16.(2) p. 391-408
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10 Lie, Knut-Andreas; Krogstad, Stein; Ligaard, Ingeborg S; Natvig, Jostein Roald; Nilsen, Halvor Møll; Skaflestad, Bård.
Open-source MATLAB implementation of consistent discretisations on complex grids. Computational Geosciences 2012 ;Volume 16.(2) p. 297-322
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11 Lie, Knut-Andreas; Natvig, Jostein Roald; Nilsen, Halvor Møll.
Discussion of dynamics and operator splitting techniques for two-phase flow with gravity. International Journal of Numerical Analysis & Modeling 2012 ;Volume 9.(3) p. 684-700
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12 Natvig, Jostein Roald; Lie, Knut-Andreas; Krogstad, Stein; Yang, Yahan; Wu, Xiao-Hui.
Grid adaption for upscaling and multiscale methods. I: ECMOR XIII - 13th European Conference on the Mathematics of Oil Recovery, Biarritz, France, 10-13 September 2012. Extended Abstracts USB. European Association of Geoscientists and Engineers 2012 ISBN 978-90-73834-30-9.
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13 Natvig, Jostein Roald; Lie, Knut-Andreas; Krogstad, Stein; Yang, Yahan; Wu, Xiao-Hui.
Grid adaption for upscaling and multiscale methods. 13th European Conference on the Mathematics of Oil Recovery; 2012-09-10 - 2012-09-13
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14 Nilsen, Halvor Møll; Lie, Knut Andreas; Natvig, Jostein Roald.
Accurate modelling of faults by multipoint, mimetic, and mixed methods. SPE Journal 2012 ;Volume 17.(02) p. 568-579
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15 Nilsen, Halvor Møll; Natvig, Jostein Roald; Lie, Knut-Andreas.
Accurate Modeling of Faults by Multipoint, Mimetic, and Mixed Methods. SPE Journal 2012 ;Volume 17.(2) p. 568-579
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2011
16 Natvig, Jostein Roald; Skaflestad, Bård; Bratvedt, Frode; Bratvedt, Kyrre; Lie, Knut-Andreas; Laptev, Vsevolod; Khataniar, Sanjoy.
Multiscale Mimetic Solvers for Efficient Streamline Simulation of Fractured Reservoirs. SPE Journal 2011 ;Volume 16.(4) p. 880-888
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2010
17 Brodtkorb, Bernt Andre; Hagen, Trond Runar; Lie, Knut-Andreas; Natvig, Jostein Roald.
Simulation and visualization of the Saint-Venant system using GPUs. Computing and Visualization in Science 2010 ;Volume 13.(7) p. 341-353
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2008
18 Natvig, Jostein Roald; Lie, Knut-Andreas.
Fast computation of multiphase flow in porous media by implicit discontinuous Galerkin schemes with optimal ordering of elements. Journal of Computational Physics 2008 ;Volume 227.(24) p. 10108-10124
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2007
19 Natvig, Jostein R.; Lie, Knut-Andreas; Eikemo, Birgitte; Berre, Inga.
An efficient discontinuous Galerkin method for advective transport in porous media. Advances in Water Resources 2007 ;Volume 30.(12) p. 2424-2438
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20 Pankratz, Normann; Natvig, Jostein Roald; Gjevik, Bjørn; Noelle, Sebastian.
High-order well-balanced finite-volume schemes for barotropic flows: Development and numerical comparisons. Ocean Modelling 2007 ;Volume 18. p. 53-79
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2006
21 Eikemo, Birgitte; Berre, Inga; Dahle, Helge Ketil; Lie, Knut-Andreas; Natvig, Jostein R..
A Discontinuous Galerkin Method for Computing Time-of-Flight in Discrete-Fracture Models. XVI International Conference on Computational Methods in Water Resources; 2006-06-18 - 2006-06-22
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22 Hagen, Trond Runar; Lie, Knut-Andreas; Natvig, Jostein Roald.
Solving the Euler equations on graphics processing units. Lecture Notes in Computer Science (LNCS) 2006 ;Volume 3994. p. 220-227
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2005
23 Hagen, Trond R; Hjelmervik, Jon M.; Lie, Knut-Andreas; Natvig, Jostein Roald; Henriksen, M..
Visual simulation of shallow-water waves. Simulation modelling practice and theory 2005 ;Volume 13.(8) p. 716-726
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24 Berre, Inga; Karlsen, Kenneth Hvistendahl; Lie, Knut-Andreas; Natvig, Jostein R..
Fast computation of arrival times in heterogeneous media. Computational Geosciences 2005 ;Volume 9.(4) p. 179-201
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2003
25 Berre, I.; Karlsen, Kenneth Hvistendahl; Lie, Knut-Andreas; Natvig, Jostein Roald.
Fast computation of arrival times in heterogeneous. Matematisk institutt: Eprint no 10, Univerisitetet i Oslo 2003 (ISBN 82-553-1372-9) 14 p.
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2002
26 Berre, Inga; Dahle, Helge Ketil; Karlsen, Kenneth H.; Lie, Knut-Andreas; Natvig, Jostein R..
Time-of-flight + fast Marching + transport collapse: an alternative to streamlines for tow-phase porous media flow with capillary forces?. Developments in Water Science 2002 ;Volume 47. p. 995-1002
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2001
27 Dahle, Helge Ketil; Karlsen, Kenneth Hvistendahl; Lie, Knut-A.; Natvig, Jostein R..
Corrected operator splitting for systems of convection-diffusion equations. MANGLER 2001
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28 Haugse, Vidar; Karlsen, Kenneth Hvistendahl; Lie, Knut-Andreas; Natvig, Jostein Roald.
Numerical solution of the polymer system by front tracking. Transport in Porous Media 2001 ;Volume 44.(1) p. 63-83
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29 Karlsen, Kenneth Hvistendahl; Lie, Knut-Andreas; Natvig, Jostein Roald; Nordhaug, Hans Fredrik; Dahle, Helge Ketil.
Operator splitting methods for systems of convection-diffusion equations: nonlinear error mechanisms and correction strategies. Journal of Computational Physics 2001 ;Volume 173.(2) p. 636-663
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