• A 2D Experimental and Numerical Study of Moonpools With Recess 

      Ravinthrakumar, Senthuran; Kristiansen, Trygve; Ommani, Babak (ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering;OMAE2018-78326, Chapter, 2018-06-25)
      Moonpool resonance is investigated in a two-dimensional setting in terms of regular, forced heave motions of a model with moonpool with different rectangular-shaped recess configurations. A recess is a reduced draft zone ...
    • A Hydrodynamic Analysis of Motion Coupling Effect of Floating Storage Tank Supported by Marine Fenders 

      Han, Hengmeng; Magee, Allan Ross; Wan, Ling; Jin, Jingzhe; Wang, Chien Ming (ASME Proceedings | Ocean Space Utilization;OMAE2017-61726, Chapter, 2017-06-25)
      This study concerns a new concept of floating oil storage facility, to be deployed in coastal waters, in which separate oil storage tanks float in an array, separated by a mooring fender system. In this paper, hydrodynamic ...
    • A Numerical Study on Stratified Shear Layers With Relevance to Oil-Boom Failure 

      Kristiansen, David; Faltinsen, Odd Magnus (ASME Digital colletion;OMAE2014-23981, Chapter, 2014-06)
      Interface dynamics of two-phase flow, with relevance for leakage of oil retained by mechanical oil barriers, is studied by means of a 2D lattice-Boltzmann method combined with a phase-field model for interface capturing. ...
    • A Time-Domain Method for Hydroelastic Analysis of Floating Bridges in Inhomogeneous Waves 

      Fu, Shixiao; Wei, Wei; Ou, Shaowu; Moan, Torgeir; Deng, Shi; Lie, Halvor (ASME Proceedings | Torgeir Moan Honoring Symposium;OMAE2017-62534, Chapter, 2017-06-25)
      Based on the three dimensional potential theory and finite element method (FEM), this paper presented a method for time-domain hydroelastic analysis of a floating bridge in inhomogeneous waves. A floating bridge in both ...
    • Adaptive Wave Filtering for Dynamic Positioning of Marine Vessels Using Maximum Likelihood Identification: Theory and Experiments 

      Hassani, Vahid; Sørensen, Asgeir Johan; Pascoal, Antonio (Chapter, 2013)
      This paper addresses a filtering problem that arises in the design of dynamic positioning systems for ships and offshore rigs subjected to the influence of sea waves. The dynamic model of the vessel captures explicitly the ...
    • Advanced R744 solution for supermarkets, hotel chillers and maritime applications in India 

      Singh, Simarpreet; Selvnes, Håkon; Pardiñas, Ángel Á.; Reddy, Srinevas K; Gupta, P; Vaishak, S; Arun, B.S.; Widell, Kristina Norne; Elarga, Hagar; Hafner, Armin (Science et technique du froid;, Chapter; Peer reviewed, 2022)
      R744 integrated systems can meet oscillating heating and cooling demands efficiently and become a game changer in countries such as India. The present work aims to develop and present R744 system designs and disseminate ...
    • An Experimental and Numerical Investigation of the Effect of Axial Thermal Gradients in Flexible Pipes 

      Fergestad, Dag; Klæbo, Frank; Muren, Jan; Hylland, Pål; Grøv, Tom Are; Lange, Hans Iver; Gjøsteen, Janne Kristin Økland; Gjendal, Andreas; Melve, Bjørn; Kristensen, Claus Egeberg (ASME Digital Collection;OMAE2017-61804, Chapter, 2017-09-21)
      This paper discusses the structural challenges associated with high axial temperature gradients and the corresponding internal cross section forces. A representative flexible pipe section designed for high operational ...
    • Analysing Supply Chain Phases for Design of Effective Autonomous Ship Technology in New Transport System Solutions 

      Wennersberg, Lars Andreas Lien; Nordahl, Håvard; Rødseth, Ørnulf Jan; Bolbot, Victor; Theotokatos, Gerasimos (;OMAE2020-18715, Chapter, 2020-06)
      Maritime autonomous surface ships provide new capabilities for transport systems design, and by that the potential to dramatically change ship logistics. Advantages of autonomous ships include operational flexibility with ...
    • Application Of Refrigeration Technologies For Energy Efficient Production Of Fish Protein Hydrolysates 

      Sherman, Prem Kumar; Tolstorebrov, Ignat; Widell, Kristina Norne; Hafner, Armin; Nordtvedt, Tom Ståle (Chapter; Peer reviewed, 2022)
      Fish protein hydrolysate (FPH) is one of the most efficient and sustainable way to recover the valuable nutrients from fish remaining materials and has a widespread application. However, the production of FPH demands ...
    • Are Safe and Resilient Systems less Effective and Productive? 

      Stene, Trine Marie; Fjørtoft, Kay Endre (Chapter, 2020)
      During the last 50 years, people have become considerably more physical and virtually connected due to a more modern and mobile world, and new technologies for collaboration and communication, such as mobile phones, ...
    • Assessment of benefits of employing natural refrigerants in seafood cold chain in India 

      Saini, Santosh Kumar; Dasgupta, Mani Sankar; Widell, Kristina Norne; Bhattacharyya, Souvik (Chapter; Peer reviewed, 2022)
      In this paper we present a comprehensive assessment of benefits from adoption of suitable natural refrigerants at various stages of seafood cold chain in Indian scenario. This includes cooling demands during fish harvesting, ...
    • Automated System for Fleet Benchmarking and Assessment of Technical Condition 

      Mo, Brage; Steinebach, Christian; Perera, Lokukaluge Prasad; Dehli, Petter; Lim, Tow Foong (ASME Proceedings | Ocean Engineering;OMAE2017-61219, Chapter, 2017-06-25)
      On-board Energy systems in vessels have to use fuel efficiently to maintain ship speed at lowest possible costs. This paper describes how to use ship operational data to improve and maintain efficiency of the vessel’s power ...
    • Big Data in Shipping - Challenges and Opportunities 

      Rødseth, Ørnulf Jan; Perera, Lokukaluge Prasad; Mo, Brage (Chapter, 2016)
    • Bilge keel induced roll damping of an FPSO with sponsons 

      Ommani, Babak; Fonseca, Nuno; Kristiansen, Trygve; Bakksjø, Hanne (ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology;Offshore Geotechnics;OMAE2016-54420, Chapter, 2016-06)
      The bilge keel induced roll damping of an FPSO with sponsons is investigated numerically and experimentally. The influence of the bilge keel size, on the roll damping is studied. Free decay tests of a three-dimensional ...
    • Bin Picking of Reflective Steel Parts Using a Dual-Resolution Convolutional Neural Network Trained in a Simulated Environment 

      Dyrstad, Jonatan Sjølund; Bakken, Marianne; Grøtli, Esten Ingar; Schulerud, Helene; Mathiassen, John Reidar Bartle (Chapter, 2019-12-15)
      We consider the case of robotic bin picking of reflective steel parts, using a structured light 3D camera as a depth imaging device. In this paper, we present a new method for bin picking, based on a dual-resolution ...
    • Calibration of a Time-Domain Numerical Hydrodynamic Model for Mooring Analysis of a Semi-Submersible 

      Fonseca, Nuno; Stansberg, Carl Trygve (ASME digital collection;OMAE2018-78753, Chapter, 2018-06-25)
      The paper presents calibration of a time domain numerical model for the motions of the Exwave Semi in high seastates with current. The time domain equations of motion combine linear radiation, linear diffraction and second ...
    • Calibration of Hydrodynamic Coefficients for a Semi-Submersible 10 MW Wind Turbine 

      Kvittem, Marit Irene; Berthelsen, Petter Andreas; Eliassen, Lene; Thys, Maxime (ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, Volume 10: Ocean Renewable Energy;OMAE2018-77826, Chapter, 2018-06-22)
      Hydrodynamic model tests and numerical simulations may be combined in a complementary manner during the design and qualification of new offshore structures. In the EU H2020 project LIFES50+ (lifes50plus.eu), a model test ...
    • Classification of Aquaculture Locations in Norway With Respect to Wind Wave Exposure 

      Lader, Pål; Kristiansen, David; Alver, Morten; Bjelland, Hans Vanhauwaert; Myrhaug, Dag (ASME Digital collection;OMAE2017-61659, Chapter, 2017)
      In Norway there are a total of 1070 registered sites for salmon farming all along the coast. Trends in the aquaculture industry in the recent decade are that salmon farming sites tend to gradually relocate to more wave and ...
    • Climate Change and Fate of Arctic Oil Spills 

      Nordam, Tor; Beegle-Krause, Cynthia Juyne; Reed, Mark (Chapter, 2016-06)
      To investigate how the fate of oil released in the Arctic Ocean may change with a warmer climate, we have performed ensembles of oil spill simulations using Arctic environmental information (winds, currents, ice cover, ...
    • Climatic Forecasting of Wind and Waves Using Fuzzy Inference Systems 

      Stefanakos, Christos; Vanem, Erik (ASME Proceedings | Structures, Safety and Reliability;OMAE2017-61968, Chapter, 2017-06-25)
      Wind and wave climatic simulations are of great interest in a number of different applications, including the design and operation of ships and offshore structures, marine energy generation, aquaculture and coastal ...