Statistical properties of directional ocean waves: the role of the modulational instability in the formation of extreme events M Onorato, T Waseda, A Toffoli, L Cavaleri, O Gramstad, P Janssen, ... Physical review letters 102 (11), 2009 | 285 | 2009 |

Statistical properties of mechanically generated surface gravity waves: a laboratory experiment in a three-dimensional wave basin M Onorato, L Cavaleri, S Fouques, O Gramstad, PAEM Janssen, ... Journal of Fluid Mechanics 627, 235-257, 2009 | 239 | 2009 |

Evolution of weakly nonlinear random directional waves: laboratory experiments and numerical simulations A Toffoli, O Gramstad, K Trulsen, J Monbaliu, E Bitner-Gregersen, ... Journal of Fluid Mechanics 664, 313-336, 2010 | 188 | 2010 |

Influence of crest and group length on the occurrence of freak waves O Gramstad, K Trulsen Journal of Fluid Mechanics 582, 463-472, 2007 | 182 | 2007 |

Laboratory evidence of freak waves provoked by non-uniform bathymetry K Trulsen, H Zeng, O Gramstad Physics of Fluids 24 (9), 2012 | 115 | 2012 |

Projected changes in significant wave height toward the end of the 21st century: Northeast A tlantic OJ Aarnes, M Reistad, Ø Breivik, E Bitner‐Gregersen, L Ingolf Eide, ... Journal of Geophysical Research: Oceans 122 (4), 3394-3403, 2017 | 110 | 2017 |

Hamiltonian form of the modified nonlinear Schrödinger equation for gravity waves on arbitrary depth O Gramstad, K Trulsen Journal of Fluid Mechanics 670, 404-426, 2011 | 87 | 2011 |

Freak waves in weakly nonlinear unidirectional wave trains over a sloping bottom in shallow water O Gramstad, H Zeng, K Trulsen, GK Pedersen Physics of Fluids 25 (12), 2013 | 74 | 2013 |

Rogue waves impact on ships and offshore structures EM Bitner-Gregersen, O Gramstad Det Norske Veritas Germanischer Lloyd Strategic Research and Innovation …, 2015 | 69 | 2015 |

Crossing sea state and rogue wave probability during the P restige accident K Trulsen, JC Nieto Borge, O Gramstad, L Aouf, JM Lefèvre Journal of Geophysical Research: Oceans 120 (10), 7113-7136, 2015 | 62 | 2015 |

Climate change and safe design of ship structures EM Bitner-Gregersen, E Vanem, O Gramstad, T Hørte, OJ Aarnes, ... Ocean Engineering 149, 226-237, 2018 | 56 | 2018 |

Modulational instability and rogue waves in crossing sea states O Gramstad, E Bitner-Gregersen, K Trulsen, JCN Borge Journal of Physical Oceanography 48 (6), 1317-1331, 2018 | 53 | 2018 |

Manifold based optimization for single-cell 3D genome reconstruction J Paulsen, O Gramstad, P Collas PLoS computational biology 11 (8), e1004396, 2015 | 45 | 2015 |

A simulation study on the uncertainty of environmental contours due to sampling variability for different estimation methods E Vanem, O Gramstad, EM Bitner-Gregersen Applied Ocean Research 91, 101870, 2019 | 37 | 2019 |

Phase-averaged equation for water waves O Gramstad, M Stiassnie Journal of Fluid Mechanics 718, 280-303, 2013 | 37 | 2013 |

Fourth-order coupled nonlinear Schrödinger equations for gravity waves on deep water O Gramstad, K Trulsen Physics of Fluids 23 (6), 2011 | 37 | 2011 |

Can swell increase the number of freak waves in a wind sea? O Gramstad, K Trulsen Journal of Fluid Mechanics 650, 57-79, 2010 | 36 | 2010 |

Measurement of the dispersion relation for random surface gravity waves TMA Taklo, K Trulsen, O Gramstad, HE Krogstad, A Jensen Journal of Fluid Mechanics 766, 326-336, 2015 | 32 | 2015 |

Statistical properties of wave kinematics in long-crested irregular waves propagating over non-uniform bathymetry C Lawrence, K Trulsen, O Gramstad Physics of Fluids 33 (4), 2021 | 28 | 2021 |

Sequential sampling method using Gaussian process regression for estimating extreme structural response O Gramstad, C Agrell, E Bitner-Gregersen, B Guo, E Ruth, E Vanem Marine Structures 72, 102780, 2020 | 27 | 2020 |