• Description and Analysis of Floating Bridges 

      Lund, Kristina Husevåg (Master thesis, 2017)
      During the project Ferry-free coastal route E39, directed by National Public Road Administration, NPRA, seven ferry-crossings are intended to be replaced by straight crossing. One of these is Bjrnafjorden, where a proposed ...
    • Description and Structural Analysis of a Marine Bridge for the Digernessund crossing 

      Hellvik, Elise (Master thesis, 2018)
      The relevance of marine bridges have increased during the past years due to the plans of renewing route E$39$. Different types of marine bridges have been described in this thesis, with focus on the concepts proposed for ...
    • Design and Analysis of Steel Catenary Riser Systems for Deep Waters 

      Buberg, Thomas (Master thesis, 2014)
      The global growing demand of energy leads the oil and gas industry into deeper waters and harsher environments as current fields are being depleted. This results in need for more advanced technologies to ensure that the ...
    • Design of Floating Offshore Wind Turbine Tower Structures 

      Bordal, Marie Schrader; Bjørshol, Hanna Flem (Master thesis, 2023)
      Den økende etterspørselen etter fornybar energi har ført til utviklingen av offshore vindparker, som overgår begrensningene til landsbaserte parker når det gjelder tilgjengelige landområder og kontinuerlige, stabile ...
    • Design of Floating Offshore Wind Turbine Tower Structures 

      Bjørshol, Hanna Flem; Bordal, Marie Schrader (Master thesis, 2023)
      Den økende etterspørselen etter fornybar energi har ført til utviklingen av offshore vindparker, som overgår begrensningene til landsbaserte parker når det gjelder tilgjengelige landområder og kontinuerlige, stabile ...
    • Development of a Carbon Fiber Reinforced Polymer Drivers Environment based on a Structural Integrity Analysis for a Formula Student Racecar 

      Racko, Roberts (Master thesis, 2019)
      I Formula Student som i alle motorsport er sjaføren en stor del av bilen. For å sikre at sjafører kan prestere på sitt beste, må de vœre komfortable i og med racerbilen. For å designe et førermiljø, må føreren plasseres ...
    • Development of a reliability model for crack growth occurrence for a secondary hull component 

      Kleivane, Siri Kolle; Leira, Bernt Johan; Steen, Sverre (Peer reviewed; Journal article, 2023)
    • Development of environmental contours for first-year ice ridge statistics 

      Chai, Wei; Leira, Bernt Johan; Næss, Arvid; Høyland, Knut Vilhelm; Ehlers, Sören (Peer reviewed; Journal article, 2020)
      Ice ridges represent a major threat to ships and offshore structures in areas with sea ice but no icebergs, since they frequently determine and govern the structural design loads. This work focuses on the development of ...
    • Distributed CP Sensor - Design and Operation Sequence Optimization 

      Wold, Kristian Wingan (Master thesis, 2017)
      Focus on reducing cost and improve efficiency has been key aspects in the oil and gas industry the recent years. New technology and new ideas that can improve efficiency and reduce cost should be more than welcome for ...
    • Dynamic Analysis and Verification of the Universal Buoyancy System 

      Fæhn, Anna Kristine Hertzenberg (Master thesis, 2014)
      Liquefied Natural Gas (LNG) is becoming an increasingly popular alternative to traditional marine fuels, as it is a cost-effective solution so comply with the new Emission Control Area (ECA) sulphur emission regulations ...
    • Dynamic Analysis of a Subsea Module During Splash-zone Transit 

      Wu, Min (Master thesis, 2013)
      This thesis carries out a research on the dynamic performance of the template during the lowing operation through splash-zone. During the lifting operation, especially under harsh environment, the waves, winds as well as ...
    • Dynamic Analysis of Floating Bridges with Transverse Pontoons 

      Rahman, Ahnaf (Master thesis, 2014)
      The main objective of this thesis is to analyse the dynamic response of floatingbridges with transverse pontoons, when subjected to harmonic regular waveloads. As a result, a simplified beam model of the Bergsøysundet ...
    • Dynamic behavior of subsea wellhead and shallow pipe under seismic action 

      Liu, Yuhan; Fan, Honghai; Sævik, Svein; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)
      The interaction between shallow pipe and soil near the subsea wellhead is an important factor in the maintenance of subsea wellhead stability. First, a seismic test was conducted. A shaking table and a shear model box were ...
    • Dynamic Load Effects on a Submerged Floating Tube Bridge with emphasis on Vortex-induced Vibrations 

      Schack, Maria Hapnes von (Master thesis, 2017)
      A ferry-free highway is under planning of the Norwegian Public Roads Administration on the south-west coast of Norway. Many of the fjords are characterized as very deep and wide, resulting in a need for innovative, new ...
    • Dynamic response characteristics of the 67-type railway pontoon bridge 

      Zhao, Cunbao; Jiang, Zhongming; Leira, Bernt Johan; Shi, Xuzhao; Zheng, Zhaofeng (Peer reviewed; Journal article, 2022)
      In China at present, the 67-type railway pontoon bridge is part of the main reserve standard equipment that can be utilized for traffic emergency of cross-river bridges. Based on the potential flow theory and boundary ...
    • Dynamic Response of a Floating Bridge Structure 

      Viuff, Thomas; Leira, Bernt Johan; Øiseth, Ole; Xiang, Xu (Chapter; Peer reviewed, 2016)
      A theoretical overview of the stochastic dynamic analysis of a floating bridge structure is presented. Emphasis is on the wave-induced response and the waves on the sea surface are idealized as a zero mean stationary ...
    • Dynamic Response of Floating Wind Turbines 

      Neuenkirchen Godø, Sjur (Master thesis, 2013)
      In this thesis the extreme values of tension in the mooring lines on Hywind Demo is investigated. Hywind Demo is a floating wind turbine developed by Statoil ASA. The aim of the study is to evaluate the application of the ...
    • Dynamic Response of Ship Hull due to Slamming 

      Hoque, Md Emdadul (Master thesis, 2014)
      In this thesis full-fledged Finite Element Analysis is done for Free vibration analysis and Dynamic Forced Response Analysis of ship hull due to the slam induced load in sea way. This topic is of concern for ships and ...
    • Dynamisk analyse av modul i bølgesonen: Parameter analyse 

      Hasund, Mattias Asbjørn (Master thesis, 2014)
      De siste årene har marine operasjoner blitt planlagt basert på praktisk maritim erfaring. Denne praktiske tilnærmingen er fortsatt viktig, men med nye og stadig mer komplekse operasjoner utført på steder som er utsatt for ...
    • Effect of environmental modelling and inspection strategy on the optimal design of floating wind turbines 

      Hegseth, John Marius; Bachynski, Erin Elizabeth; Leira, Bernt Johan (Peer reviewed; Journal article, 2021)
      In order to reduce design conservatism and consequently the cost of energy, appropriate and cost-optimal safety factors should be derived, in light of environmental load uncertainties and lifetime costs. In the present ...