Karina Bakkeløkken Hjelmervik

Professor

Fakultet for teknologi, naturvitenskap og maritime fag
Institutt for maritime operasjoner
Campus Vestfold (D3-70)
Karina Hjelmervik has been employed at the university college since June 2009. She has a phd in fluid mechanics from University of Oslo and a master degree in oceanography from University of Bergen. She is involved in several R&D projects, supervises students on all levels, and do research on fluid mechanics.

Ansvarsområder

  • Numerical modelling and simulations of water currents and waves
  • Validation of numerical results
  • Wave-current interactions
  • Oceanographic climatology
  • Teaching and supervising
  • Challenging mathematical equations

Kompetanse

  • PhD in Fluid Mechanics,
    "Wave-current interactions in coastal tidal currents". Department of Mathematics, University of Oslo, Norway. June 2009
  • Cand. Scient. in Oceanography,
    "On Cold Carbon Dioxide Droplets in Sea Water" (in Norwegian),
    Department of Geophysics, University of Bergen, Norway

CV

R & D projects

2015 – 2016  (0.4 MNOK)
Safety and environmental awareness in the Oslo fjord sea transport
- Improved simulator training with knowledge of ocean currents

My role: initiator, researcher, and supervisor
In cooperation with Kongsberg Maritime AS

2015 – 2016  (9.17 MNOK)
Electric Compact Stern Drive
My role: researcher, supervisor, and coordinator
In cooperation with Nodin Innovation, OXIS (UK), Elaphe (Slovenia)

2014 – 2015  (0.4 MNOK)
Detection of legionella using micro- and nanotechnology 
My role: initiator, researcher, and supervisor
In cooperation with IMST (HBV), Unilabs Laboratoriemedisin AS

2014 – 2016 (5.4 MNOK)
Integrated optimizations of pipes and treatment plants including monitoring, modelling, and management of financial and economical savings (Regnbyge 3M)     
My role: initiator and researcher
In cooperation with Drammen kommune, UMB, Rosim, MET, Oslo kommune, Nivus GmbH (Germany), NTNU, Doscon, HBV, HiØ, NIVA, Water Research Centre plc (Great Britain)

2013 – 2016 (8.3 MNOK)
New Oslofjord model – for prediction of currents, water level, and hydrography (FjordOs)
My role: initiator, project leader, researcher, and supervisor
In cooperation with MET, NIVA, NIVA, Fylkeskommune in Vestfold, Østfod og Buskerud, Kystverket, ExxonMobil, Agnes AB Miljøkonsulent, FFI, and Havnealliansen

2013 (0.2 MNOK)
Adjustable oil boom – Tank tests
My role: researcher, supervisor, and contact person (contract)
In cooperation with Rygg International AS

2012 – 2014 (2.1 MNOK)
Bioinspired design of propeller and underwater housing for electric propulsion and manoeuvring of leisure boats
My role: initiator and researcher
In cooperation with Engbo Innovation AS and Technomek

2012 – 2013 (0.2 MNOK)
Adjustable oil boom – Simple experiments and calculations
My role: researcher, supervisor, and contact person (contract)
In cooperation with Rygg International AS

2012 – 2013 (0.4 MNOK)
Cleaner Oslofjord with innovative and holistic approach for pollution reduction (ROMIO)
My role: initiator and researcher
In cooperation with UMB, NIVA, Aqua Rosim AS

2011 – 2012 (0.4 MNOK)
Currents in the Oslofjord - Where does discharge end up?
My role: initiator, project leader, and researcher
In cooperation with MET, HIBU, and FFI

2010 – 2011 (0.2 MNOK)
Simulations of water movements in a bioreactor
My role: project leader and researcher
In cooperation with Krüger Kaldnes

2010 – 2011 (0.4 MNOK)
Optimization of the Windsea concept
My role: participant
In cooperation with NLI, Force, and Windsim

Refereed International Journals

  1. Bouhmala, N., Hjelmervik, K. & Øvergård, K. I. (2015). A Generalized Variable Neighbourhood Search For Combinatorial Optimization Problems. Electronic Notes in Discrete Mathematics, 47, 45-52.
  2. Hjelmervik, K., & Hjelmervik, K. T. (2014). Time-calibrated estimates of oceanographic profiles using empirical orthogonal functions and clustering. Ocean Dynamics, 64(5), 655-665.
  3. Tyvand, P. A., Solbakken, K. M., & Hjelmervik, K. B. (2014). Incompressible impulsive wall impact of liquid bodies. European Journal of Mechanics-B/Fluids.
  4. Hjelmervik, K. T., & Hjelmervik, K. (2013). Estimating temperature and salinity profiles using empirical orthogonal functions and clustering on historical measurements. Ocean Dynamics, 63(7), 809-821.
  5.  Lynge, B. K., Hjelmervik, K., & Gjevik, B. (2013). Storm surge and tidal interaction in the Tjeldsund channel, northern Norway. Ocean Dynamics, 63(7), 723-739.
  6. Bouhmala, N., Hjelmervik, K., & Øvergård, K. I. (2012). Single vs Hierarchical Population-Based Memetic Algorithm for SAT-encoded Industrial Problems: A Statistical Comparison. International Journal of Artificial Intelligence & Applications, 3(6), 57-53.
  7. Hjelmervik, K., & Hjelmervik, K. T. (2012). Demonstration of Comparison Methods for Ocean Model Validation. Open Ocean Engineering Journal, 5, 1-14.
  8. Hjelmervik, K. B., & Trulsen, K. (2009). Freak wave statistics on collinear currents. Journal of Fluid Mechanics, 637, 267-284.

Refereed Conference Proceedings

  1. Hjelmervik, K., Hjelmervik, K. T., & Østenstad, P. (2015, May). Estimation of oceanographic profiles and climatological regions in the Barents Sea. In OCEANS-Genova, 2015 MTS/IEEE. IEEE.
  2. Hjelmervik, K. & Schøyen, H. (2015, May). Correlation between coastal tides and the speed of commercial vessels. In OCEANS-Genova, 2015 MTS/IEEE. IEEE.
  3. Bouhmala, N., Hjelmervik, K., & Øvergård, K. I. (2013, October). Hybrid of evolutionary algorithm and multilevel paradigm to solve the satisfiability problem. In Industrial Engineering and Systems Management (IESM), Proceedings of 2013 International Conference on (pp. 1-4). IEEE.
  4. Bouhmala, N., Hjelmervik, K., & Øvergård, K. I. (2013, October). Combining an Evolutionary Algorithm With The Multilevel Paradigm For The Simulation Of Complex System. In 27th European Conference on Modeling and Simulation, ECMS (pp. 753-757). IEEE.
  5.  Hjelmervik, K. T., & Hjelmervik, K. (2013, June). Improved estimation of oceanographic climatology using empirical orthogonal functions and clustering. In OCEANS-Bergen, 2013 MTS/IEEE (pp. 1-5). IEEE.
  6. Bouhmala, N., Hjelmervik, K., & Øvergård, K. I. (2012) Improving the Asymptotic Convergence of Memetic Algorithms: The SAT Problem Case Study. 4th International Conference on Evolutionary Computation Theory and Applications, ECTA (pp. 264-266), Barcelona, Spain

Publications

  1. Hjelmervik, K., Nordby, S., and Staalstrøm, A. (2014, November) Simulated tides in the Oslofjord – Three different harbour designs in Moss (in Norwegian). ISBN 978-82-577-6452-4, NIVA-rapport (6717).
  2. Hjelmervik, K. & Trulsen, K. (2008) Current modified nonlinear Schrödinger equations. Preprint, UiO.
  3. Ommundsen, A., Hjelmervik, K. & Gjevik, B. (2008) Tides in Tjeldsund-Ramsund, 1.-3. november 2005. (In Norwegian) Norwegian Defence Research Establishment.
  4. Hjelmervik, K., Ommundsen, A. & Gjevik, B. (2006) Model simulations of tide in Tjeldsundet og Ramsundet. (In Norwegian) Preprint, UiO.
  5. Hjelmervik, K., Ommundsen, A. & Gjevik, B. (2005) Implementation of non-linear advection terms in a high resolution tidal model. Preprint, UiO.

Conference Presentations

  1. Hjelmervik, K.T., Østenstad, P. & Hjelmervik, K. (2015, June) Assessing acoustic sensitivity to oceanographic variability using climatology. 3rd Underwater Acoustics Conference and Exhibition (UACE2015), Crete, Greece.
  2. Hjelmervik, K., Hjelmervik, K.T. & Østenstad, P. (2015, May) Estimation of oceanographic profiles and climatological regions in the Barents Sea. IEEE Oceans, Genova, Italy.
  3. Hjelmervik, K. & Schøyen, H. (2015, May) Correlation between costal tides and the speed of commercial vessels. IEEE Oceans, Genova, Italy.
  4. Hjelmervik, K., Røed, L.P., Kristensen, N.M., Gusdal, Y., Staalstrøm, A., Isachsen, P. & Müller, M. (2014, May) Refined ocean models for the Oslofjord systems. Joint Numerical Sea Modelling Group Conference (JONSMOD), Brussel, Belgium.
  5. Hjelmervik, K.T. & Hjelmervik, K. (2014, February) Sensitivity of sonar performance to oceanographic variability. 37th Scandinavian Symposium on Physical Acoustics, Geilo, Norway.
  6. Hjelmervik, K. & Hjelmervik, K. T. (2013, June) Estimating time-calibrated 3D climatology for ocean model validation. 5th International Workshop on Modeling the Ocean (IWMO), Bergen, Norway.
  7. Hjelmervik, K., Gjevik, B., & Lynge, B. K. (2013, June) Modelling of tides and storm surges in the Tjeldsund channel. 5th International Workshop on Modeling the Ocean (IWMO), Bergen, Norway.
  8. Bouhmala, N., Hjelmervik, K., & Øvergård, K. I. (2013, May) Combining evolutionary algorithm with the multilevel paradigm for the simulation of complex system. 27th European Conference on Modelling and Simulation, Ålesund, Norway.
  9. Hjelmervik, K.T. & Hjelmervik, K. (2013, June) Improved estimation of oceanographic climatology using empirical orthogonal functions and clustering.” IEEE Oceans, Bergen, Norway.
  10. Hjelmervik, K. & Hjelmervik, K. T. (2013, February) Underwater climatology estimates using empirical orthogonal functions and K-means clustering.” 36th Scandinavian Symposium on Physical Acoustics, Geilo, Norway.
  11. Hjelmervik, K. & Hjelmervik, K. T. (2012, May) Classification of water masses using empirical orthogonal functions.” Joint Numerical Sea Modelling Group Conference (JONSMOD), Brest, France.
  12. Hjelmervik, K. & Hjelmervik, K.  T. (2010, October) Ocean model validation methods. Maritime Rapid Environmental Assessment Conference (MREA), Lerici, Italy.
  13. Hjelmervik, K. & Trulsen, K. (2008, August) Extreme waves on current jets – are they freak? Rogue Waves 2008, Brest, France.
  14. Hjelmervik, K. & Trulsen, K. (2008, April) Freak waves on collinear current jets. European General Assembly (EGU), Vienna, Austria.
  15. Hjelmervik, K., Ommundsen, A. & Gjevik, B. (2007, January) Model simulations of tidal currents in Tjeldsundet and Ramsundet, northern Norway. NORMOD, Trondheim.

Invited Presentations

  1. Hjelmervik, K. (2015, May) New Oslofjord model – a regional project with possibilities. Årskonferansen for Regionale Forskningsfond, Oslo
  2. Hjelmervik, K.  (2014, October) New Oslofjord model – for prediction of currents, water level, and hydrography. Regional høringskonferanse, Havkonferansen, Tønsberg
  3. Hjelmervik, K. (2013, September) The future of the Oslofjord, public presentation. Horten library
  4. Hjelmervik, K. (2012, June) Currents in the Oslofjord – Where does discharge end up? Board meeting, Oslofjord regional research fund (OFF)
  5. Hjelmervik, K. (2006, November) When water is affected by the moon, sun, and wind. KoMiN – conference for students in mathematics, Trondheim.

Publikasjoner