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Nils Reidar B. OlsenProfessorSiv. Ing. (MSc), The Norwegian Institute of Technology, 1987.Dr.ing., The Norwegian Institute of Technology, 1991.
Address:Department of Hydraulic and Environmental Engineering, NTNUS.P. Andersensvei 5 N-7491 Trondheim Norway |
Stoesser, T., Ruether, N. and Olsen, N. R. B. (2010) "Calculation of Primary and Secondary Flow and Boundary Shear Stresses in a Meandering Channel", Accepted to Advances in Water Resources.
Jacobsen, J. and Olsen, N. R. B. (2010) "3D numerical modelling of the capacity for a complex spillway", Accepted to Water Management.
Zinke, P., Olsen, N. R. B., Bogen, J. and Rüther, N. (2009) "3D modelling of the flow distribution in the delta of Lake Øyern, Norway", Accepted to Hydrology Research.
Rüther, N., Jacobsen, J., Olsen, N. R. B. and Vatne, G. (2009) "Prediction of the three dimensional flow field and bed shear stresses in a regulated river in Mid-Norway", Accepted to Hydrology Research.
Fischer-Antze, T., Ruether, N., Olsen, N. R. B and Gutknecht, D. (2009) "3D modeling of non-uniform sediment transport in a channel bend with unsteady flow", Journal of Hydraulic Engineering and Research, Vol. 47, No. 5, pp. 670-675.
Zinke, P., Ruether, N., Olsen. N.R.B., Eilertsen, R.S. (2009) "3D Modelling of morphodynamics in deltas due to Hydropower regulation", Proc. of the Annual Conference on Hydraulic Engineering: "Water power and climate change", Dresdner Wasserbauliche Mitteilung, Technical University Dresden, Germany.
Bihs H., Olsen N.R.B. (2009) "Three Dimensional Numerical Modeling of Complex Free Surface Flow over a Backward Facing Step", 5th National Conference on Computational Mechanics, MekIT' 09, Trondheim, Norway
Zinke, P. and Olsen, N. R. B. (2009) "Numerical modeling of water and sediment flow in a delta with natural vegetation", 33rd IAHR Congress, Vancouver, Canada.
Fischer-Antze, T., Olsen, N. R. B. and Gutknecht, D. (2008) "Three-dimensional CFD modeling of morphological bed changes in the Danube River", Water Resources Research, 44, W09422, doi:10.1029/2007WR006402.
Stoesser, T., Ruether, N. and Olsen, N. R. B. (2008) "Near-Bed Flow Behavior in a Meandering Channel", RiverFlow 2008, International Conference on Fluvial Hydraulics, Cesme, Izmir, Turkey, Vol. 1, pp. 793-799.
Rueter, N., Olsen, N. R. B. and Eilertsen, R. (2008) "3D modeling of flow and sediment transport over natural dunes", RiverFlow 2008, International Conference on Fluvial Hydraulics, Cesme, Izmir, Turkey, Vol. 2, pp. 1479-1485.
Bihs, H. and Olsen, N. R. B. (2008) "Three dimensional numerical modeling of secondary flows in channels with longitudinal bedforms", RiverFlow 2008, International Conference on Fluvial Hydraulics, Cesme, Izmir, Turkey, Vol. 1, pp. 179-183.
Zinke, P., Olsen, N. R. B. and Sukhodolova, T. (2008) "Modeling of hydraulics and morphodynamics in a vegetated river reach", RiverFlow 2008, International Conference on Fluvial Hydraulics, Cesme, Izmir, Turkey, Vol. 1, pp. 367-376.
Zinke, P., Olsen, N. R. B. and Ruether, N. (2008) "3D Modelling of the flow distribution in the delta of Lake Øyern (Norway)", International Conference on Hydroscience and Engineering, Nagoya, Japan, pp. 270-280.
Eiletsen, R., Olsen, N. R. B., Ruether, N. and Zinke, P. (2008) "River bed changes in the Lake Øyeren delta distributaries over a three-year period (2004 - 2007) as revealed by interferometric multibeam", International Geological Congress (IGC2008) Oslo, Norway.
Bihs, H. and Olsen, N. R. B. (2008) "Three dimensional numerical modeling of pier scour", Fourth International Conferece on Scour and Erosion, Tokyo, Japan.
Ruether, N. and Olsen, N. R. B. (2007) "Modelling free-forming meander evolution in a laboratory channel using three-dimensional computational fluid dynamics", Geomorphology, No. 89, pp. 308-319.
Wilson, C. A. M. E., Guymer, I., Boxall, J. B. and Olsen, N. R. B. (2007) "Three-dimensional numerical simulation of solute transport in a meandering self-formed river channel", Journal of Hydraulic Research, Vol. 45, No. 5, pp. 610-616.
Bihs H. and Olsen N.R.B. (2007) "Three-Dimensional Numerical Modeling of Contraction Scour", 32nd IAHR Congress, Venice, Italy.
Zinke, P. and Olsen N.R.B. (2007) "Modeling of sediment deposition in a partly vegetated open channel", 32nd IAHR Congress, Venice, Italy.
Bihs H. and Olsen N.R.B. (2007) "Three-Dimensional Numerical Modeling of Abutment Scour", Fifth International Symposium on Environmental Hydraulics, Tempe, USA
Wilson, C. A. M. E., Yagci, O., Rauch, H.-P. and Olsen, N. R. B. (2006) "3D numerical modelling of a willow vegetated river/floodplain system", Journal of Hydrology, Vol. 327, July, pp. 13-21.
Stoesser, T., Rodi, W. and Olsen, N. R. B. (2006) "Large Eddy and RANS flow simulation above dunes", Flow Simulation in Hydraulic Engineering, Dresden, Germany, 9-11 March 2006.
Stoesser, T., von Terzi, D., Rodi, W. and Olsen, N. R. B. (2006) "RANS simulations and LES over dunes at low relative submergence ratios", 7th Int. Conf. on Hydroscience and Engineering, Philadelphia, USA, 10-13 September 2006.
Ruether, N., Olsen. N.R.B. (2006) "Towards the prediction of free-forming meander formation using 3D computational fluid dynamics", Flow Simulation in Hydraulic Engineering, Dresden, Germany, 9-11 March 2006.
Ruether, N., Olsen. N.R.B. (2006) "3D modeling of transient bed deformation in a sine-generated laboratory channel with two different width to depth ratios", Third International Conference on Fluvial Hydraulics, River Flow 2006, Lisbon, Portugal.
Viscardi, J. M., Pujol, A., Weitbrecht, V., Jirka, G. H. and Olsen, N. R. B. (2006) "Numerical Simulations on the Paraná de las Palmas River", Third International Conference on Fluvial Hydraulics, River Flow 2006, Lisbon, Portugal.
Ruether, N. and Olsen. N.R.B. (2005) "Three dimensional modeling of sediment transport in a narrow 90° channel bend", ASCE Journal of Hydraulic Engineering, October, Vol. 131, pp. 917-920.
Ruether, N., Singh, J. M., Olsen, N. R. B. and Atkinson, E. (2005) "Three-dimensional modelling of sediment transport at water intakes", Proceedings of the Institution of Civil Engineers, UK, Water Management, Vol. 158, March, pp 1-7.
Olsen, N. R. B., Pegg, I, Molliex, J., Berger, H. and Fjeldstad, H-P, (2005) "3D CFD mdelling of erosion in habitat improvement gravel", 31st. IAHR Congress, Seoul, Korea.
Ruether, N. and Olsen, N. R. B. (2005) "Advances in 3D modeling of free-forming meander formation from initially straight alluvial channels", 31st. IAHR Congress, Seoul, Korea.
Wildhagen, J., Ruether, N., Olsen, N. R. B. and Guymer, I. (2005) "Three-dimensional modelling of sediment transport in a sharply curved menadering channel", 31st. IAHR Congress, Seoul, Korea.
Olsen, N. R. B. (2004) Closure to "Three-dimensional CFD modeling of self-forming meandering channel", ASCE Journal of Hydraulic Engineering, Vol. 130, No 8, pp. 838-839.
Hedger, R. D., Olsen NRB, George DG, Malthus TJ, Atkinson PM (2004) "Modelling spatial distributions of Ceratium hirundnella and Microcystis spp. in a small productive British lake", Hydrobiologia, 528 (1-3): pp. 217-227 Oct.
Jimenez, O., Rodriguez, C. and Olsen, N. R. B. (2004) "Sedimentation in the Angostura Reservoir, Studies and Experiences", 9th International Symposium on River Sedimentation, Yichang, China
Olsen, N. R. B., Pegg, I., Alfredsen, K. T., Fergus, T. and Fjeldstad, H-P. (2004) "3D CFD modelling of sediment deposition in habitat improvement structures", 5th International Symposium on Ecohydraulics, Madrid, Spain.
Ruether, N. and Olsen. N.R.B. (2004) "Three dimensional modeling of sediment transport in a channel bend", Second International Conference on Fluvial Hydraulics, Naples, Italy. Balkema publishers, page 151-154.
Fischer-Antze, T., Gutknecht, D. and Olsen, N. R. B. (2004) "3d numerical modelling of morphological bed changes in the Danube river", Second International Conference on Fluvial Hydraulics, Naples, Italy.
Wilson, C. A. M. E., Yagci, O., Olsen, N. R. B. and Rauch, H. P. (2004) "3D numerical modelling of vegetated compound channel flows", 6th International Conference on Hydroinformatics, Singapore.
Wilson, C. A. M. E., Stoesser, T. and Olsen, N. R. B. (2004) "Validation of a 3D Computational Dynamics Code in the Simulation of Meandering Compound Channel Flows", The Sixth International Conference on Hydroscience and Engineering, Brisbane, Australia.
Wilson C. A. M. E., Stoesser T., Olsen N. R. B. and Bates P. D. (2003) "Application and Validation of Numerical Codes in the Prediction of Compound Channel Flows", Proceedings of the Institution of Civil Engineers, UK, Water and Maritime Engineering, No. 153, pp. 117-128.
Wilson C. A. M. E., Boxall J. B., Guymer I. and Olsen N. R. B. (2003) "Validation of a 3D numerical code in the simulation of pseudo-natural meandering flows" ASCE Journal of Hydraulic Engineering, Vol. 129, No. 10, October.
Olsen, N. R. B. (2003) "3D CFD Modeling of a Self-Forming Meandering Channel", ASCE Journal of Hydraulic Engineering, No. 5, May.
Ruether, N. and Olsen. N.R.B. (2003) "CFD modeling of meandering river evolution", XXX IAHR Congress, Thessaloniki, Greece.
Wilson, C. A. M. E., Olsen, N. R. B., Boxall, J. B. and Guymer, I. (2003) "Three-dimensional numerical simulation of solute transport in a meandering channel" XXX IAHR Congress, Thessaloniki, Greece.
Ruether, N. and Olsen, N. R. B. (2003) "CFD modeling of alluvial channel instabilities", 3rd IAHR Symposium on River, Coastal and Estuarine Morphodynamics, Barcelona, Spain.
Hedger, R. D., Olsen, N. R. B., Malthus, T. J. and Atkinson, P. M. (2002) "Coupling remote sensing with computational fluid dynamics modelling to estimate lake chlorophyll-a concentration", Remote Sensing of Environment, Vol. 79, No. 1, pp. 116-122.
Olsen, N. R. B. (2002) "Hydroinformatics, fluvial hydraulics and limnology", Department of Hydraulic and Environmental Engineering, The Norwegian University of Science and Technology. Download 1.3 MB PDF file.
Fischer-Antze, T., Stösser, T., Bates, P. and Olsen, N. R. B. (2001) "3D numerical modelling of open-channel flow with submerged vegetation", IAHR Journal of Hydraulic Research, No. 3.
Olsen, N. R. B. and Aryal, P. R. (2001) "3D CFD modelling of water flow in the sand trap of Khimti Hydropower Plant, Nepal", Hydropower -2001, Bergen, Norway.
Krüger, S. and Olsen, N. R. B. (2001) "Shock-wave computations in channel contractions", XXIX IAHR Congress, Beijing, China.
Olsen, N. R. B., Hedger, R. D. and George, D. G. (2000) "3D Numerical Modelling of Microcystis Distribution in a Water Reservoir", ASCE Journal of Environmental Engineering, Vol. 126, No. 10, October.
Olsen, N. R. B. and Lysne, D. K. (2000) "Numerical modelling of circulation in Lake Sperillen, Norway", Nordic Hydrology, Vol. 31, No. 1.
Olsen, N. R. B. (2000) "Unstructured hexahedral 3D grids for CFD modelling in fluvial geomorphology", Hydroinformatics 2000, Iowa, USA.
Olsen, N. R. B. (2000) "CFD modelling of bed changes during flushing of a reservoir", Hydroinformatics 2000, Iowa, USA.
Hedger, R.D., Olsen, N.R.B., George, D.G., Atkinson, P.M., Malthus, T.J. (1999) "Dynamic modelling of the spatio-temporal distribution of phytoplankton in a small productive lake", 4th International Conference on GeoComputation, Fredericksberg, USA. paper
Hedger, R.D., Olsen, N.R.B., Malthus, T.J., Atkinson, P.M. (1999) "The analysis of water quality spatial distributions in lakes by the integration of computational fluid dynamics with remote sensing", 25th Annual Conference of the Remote Sensing Society, Cardiff, UK.
Olsen, N. R. B. (1999) "Two-dimensional numerical modelling of flushing processes in water reservoirs", IAHR Journal of Hydraulic Research, No. 1. abstract
Olsen, N. R. B. and Wilson, C. A. M. E. (1999) "CFD modelling of rivers and reservoirs", Int. Seminar on Optimum Use of Run-of-River Hydropower Schemes, Trondheim, Norway. abstract
Olsen, N. R. B., Jimenez, O. F., Abrahamsen, L. and Løvoll, A. (1999) "3D CFD modelling of water and sediment flow in a hydropower reservoir", International Journal of Sediment Reserach, Vol. 14, No. 1. abstract
Olsen, N. R. B. and Kjellesvig, H. M. (1999) "Three-dimensional numerical modelling of bed changes in a sand trap", IAHR Journal of Hydraulic Research, Vol. 37, No. 2. abstract
Olsen, N. R. B. and Lysne, D. K. (1999) "3D Numerical Modelling of Water Currents in an Ice-Covered Lake", IAHR 28th. Bienneal Congress, Graz, Austria.
Olsen, N. R. B., Hedger, R. D. and George, D. G. (1999) "Modelling the Horizontal Distribution of Algae in a Water Supply Reservoir", IAHR 28th. Bienneal Congress, Graz, Austria.
Olsen, N. R. B., Kjellberg, G., Bakken, T. H. and Alfredsen, K. A. (1999) "Numerical modelling of water quality in Lake Mjøsa, Norway, during the flood of 1995", Ecohydraulics '99, Salt Lake City, USA. abstract
Olsen, N.R.B., Hedger, R. D., Heslop, S., George, D. G. (1999) "Computing spatial variation of algae in water supply reservoirs", International Conference on Computing and Control for the Water Industry, CCWI'99, Exeter, UK.
Olsen, N. R. B. (1999) "Computational Fluid Dynamics in Hydraulic and Sedimentation Engineering", Class notes, Department of Hydraulic and Environmental Engineering, The Norwegian University of Science and Technology. download PDF file
Hedger, R.D., Olsen, N.R.B., Malthus, T.J., Atkinson, P.M., George, D.G. (1998) "Dynamically modelling chlorophyll-a concentration in a remotely sensed image of Loch Leven", The 24th Annual Conference of the Remote Sensing Society, Greenwich, UK.
Olsen, N. R. B. and Heslop, S. (1998) "Flow visualisation by particle animation for 3D CFD modelling in hydraulic engineering", HYDROINFORMATICS '98, Copenhagen, Denmark.
Olsen, N. R. B. (1998) "Unstructured and nested grids for 3D CFD modelling in hydraulic engineering", HYDROINFORMATICS '98, Copenhagen, Denmark. abstract
Olsen, N. R. B. and Tjomsland, T. (1998) "3D CFD modelling of wind-induced currents and radioactive tracer movements in a lake", 3rd. International Conference on Hydroscience and Engineering, Cottbus, Germany.
Olsen, N. R. B. and Kjellesvig, H. M. (1998) "Three-dimensional numerical flow modelling for estimation of maximum local scour depth", IAHR Journal of Hydraulic Research, No. 4, pp. 579-590. abstract
Olsen, N. R. B. and Kjellesvig, H. M. (1998) "Three-dimensional numerical flow modelling for estimation of spillway capacity", IAHR Journal of Hydraulic Research, No. 5, pp. 775-784. abstract
Olsen, N. R. B., Hedger, R. D., George, D. G. and Heslop, S. (1998) "3D CFD modelling of spatial distribution of algae in Loch Leven, Scotland", 3rd. International Conference on Hydroscience and Engineering, Cottbus, Germany. abstract
Olsen, N. R. B. (1997) "Computational Fluid Dynamics as a tool for prediction of reservoir flushing and sedimentation", Q 74 a), ICOLD Conference, Florence, Italy.
Olsen, N. R. B. (1997) "A framework for a 3D numerical model for hydropower reservoir water quality", HYDROPOWER '97, Trondheim, Norway.
Olsen, N. R. B. and Kjellesvig, H. M. (1997) "A 3D numerical model for determination of spillway capacity", HYDROPOWER '97, Trondheim, Norway.
Olsen, N. R. B. and Kjellesvig, H. M. (1997) "3D Numerical Modelling of Sediment Deposition and Bed Changes in a Tunnel-Type Sand Trap", IAHR/ASCE Congress, San Fransisco, USA.
Olsen, N. R. B. and Melaaen, M. C. (1996) "Three-dimensional numerical modelling of vortex shedding behind circular cylinders", 2nd. International Conference on Modelling, Testing and Monitoring for Hydro Powerplants", Lausanne, Switzerland.
Olsen, N. R. B. (1996) "Three-dimensional numerical modelling of local scour", HYDROINFORMATICS 96, Zurich, Switzerland.
Lovoll, A., Lysne, D. K. and Olsen, N. R .B. (1995) "Numerical and physical modelling of dynamic impact on structures from a flood wave", IAHR 26th. Biennial Congress, London.
Lysne, D. K., Olsen, N. R. B., Stole, H and Jacobsen, T. (1995) "Withdrawal of water from sediment carrying rivers. Recent developments in planning and operation of headworks", International Journal on Hydropower and Dams, March.
Olsen, N. R. B. and Tesaker, E. (1995) "Numerical and physical modeling of a turbidity current", IAHR 26th. Biennial Congress, London.
Olsen, N. R. B. and Oldervik, O. (1995) "Three-dimensional numerical modeling of water flow through a gate plug", IAHR 26th. Biennial Congress, London.
Olsen, N. R. B. and Stokseth, S. (1995) "Three-dimensional numerical modeling of water flow in a river with large bed roughness", IAHR Journal of Hydraulic Research, Vol. 33, No. 4., pp. 571-581. abstract
Olsen, N. R. B. and Chandrashekhar, J. (1995) "Calculation of water and sediment flow in desilting basins", 6th. International Symposium on River Sedimentation, New Delhi, India.
Olsen, N. R. B. (1995) "Numerical modelling of hydropower reservoir flushing", International Conference on Hydropower into the next Century", Barcelona, Spain.
Olsen, N. R. B., Jimenez, O., Lovoll, A. and Abrahamsen, L. (1994) "Calculation of water and sediment flow in hydropower reservoirs", 1st. International Conference on Modeling, Testing and Monitoring for Hydro Powerplants, Hungary.
Olsen, N. R. B. (1994) "Design of flusing pipes for sand traps", 1st. International Conference on Modeling, Testing and Monitoring for Hydro Powerplants, Hungary.
Olsen, N. R. B. and Alfredsen, K. (1994) "A three-dimensional model for calculation of hydraulic parameters for fish habitat", IAHR Conference on Habitat Hydraulics, Trondheim, Norway. abstract
Olsen, N. R. B. (1994) "SSIIM - A three-dimensional numerical model for simulation of water and sediment flow", HYDROSOFT-94, Porto Carras, Greece.
Olsen, N. R. B. and Skoglund, M. (1994) "Three-dimensional numerical modeling of water and sediment flow in a sand trap", IAHR Journal of Hydraulic Research, Vol. 32, No. 6., pp. 833-844. abstract
Olsen, N. R. B. and Melaaen, M. C. (1993) "Numerical Modeling of Erosion around a Cylinder and Sediment Deposition in a Hydropower Reservoir", Eight International Conference on Numerical Methods in Laminar and Turbulent Flow, Swansea, UK.
Olsen, N. R. B. and Melaaen, M. C. (1993) "Three-dimensional numerical modeling of scour around cylinders", ASCE Journal of Hydraulic Engineering, Vol. 119, No. 9, September. abstract
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