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    • Dynamic analysis of emergency disconnect during workover operations 

      Kleppa, Sveinung (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      Emergency disconnect from the stack-up with large rig offset during well intervention is considered as a critical operation. Failure of disconnection from the well can lead to a major accident. Unofficial figures suggest ...

    • Dynamic Analysis of Feed Pipes for Fish Farming in Open Sea 

      Gjuka, Asdren (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-15)
      The demand for seafood is continuously growing throughout the world, while the number of sheltered locations for fish farming is decreasing. Consequently, the industry is pushed to fin nd new and innovative solutions to ...

    • Dynamic analysis of flexible gravity-based fish cages under accidental failures in the mooring system 

      Dewan, Pulkit (Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06-15)
      A growing population needs an increasing amount of high-protein and nutritious food. Having acknowledged that, there is a substantial increase in seafood production in the world today. Due to spatial and environmental ...

    • Dynamic Analysis of Floating Dock Operations with Corrosion-induced Holes at Ballast Tanks 

      ZAHI, TERRY (Master thesis, 2023)
      The corrosion at the ballast tanks is a concern risk for floating docks that have been in service for several decades. Corrosion events can result in severe accidents and huge economic costs. To migrate the corrosion risk, ...

    • Dynamic analysis of gravity based fish cage 

      Chang, Ying (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-07-06)
      With the development of economy and growth of population, we are constantly facing the challenge of decreasing fish population and increasing needs in the fish market. Aquaculture is a practical way to fulfill this demand. ...

    • Dynamic analysis of lift-off operation of a subsea spool from a barge 

      Karatas, Ismail Gokay (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)
      The lift-off operation faces great operational challenges due to the harsh environment in the North Sea. Especially, the operation becomes more susceptible to environmental conditions when the installation method involves ...

    • Dynamic Analysis of Splash-zone Crossing Operation for a Subsea Template 

      Amer, Adham M.; Li, Lin; Zhu, Xinying (Peer reviewed; Journal article, 2022)
      Subsea templates are steel structures used to support subsea well components. Normally, offshore crane vessels are employed to install them to the target location on the seabed. Crossing the splash-zone during the lowering ...

    • Dynamic analysis of spur gear with backlash using ADAMS 

      Ambaye, Getachew A.; Lemu, Hirpa Gelgele (Peer reviewed; Journal article, 2020)
      Gear tooth profile can deviate from its initial design shape and size as a result of increasing service time under time-varying load, introducing external agents like debris, overheating due to friction, wear, and in ...

    • Dynamic and Fatigue Analyses of Suspended Power Cables for Multiple Floating Offshore Wind Turbines 

      Beier, Dennis (Master thesis, 2023)
      Floating offshore wind turbines (FOWTs) are installed to effectively capture energy from offshore wind in deeper water areas where building bottom-fixed offshore wind turbines is not practical. The present study focuses ...

    • Dynamic behaviour of jackets exposed to wave-in-deck forces 

      Raaij, Katrine van (PhD thesis UiS;17, Doctoral thesis, 2005)
      During the last decade, wave-in-deck loading on fixed offshore structures has increasingly been acknowledged as an issue of concern to the offshore oil and gas industry. Being mainly an issue for existing structures, the ...

    • Dynamic design and analysis of subsea CO2 discharging flowline for cargo submarines used for CCS in low-carbon and renewable energy value chains 

      Dai, Tianjiao; Yang, Shou; Xing, Yihan; Ma, Yucong (Peer reviewed; Journal article, 2022)
      Developing offshore low carbon and renewable energy value chains to realize a net-zero energy future requires combining offshore renewable energy and carbon capture storage (CCS) solutions. The subsea shuttle tanker (SST) ...

    • Dynamic enterprise architecture - from static to dynamic models 

      Latifov, Artur (Masteroppgave/UIS-TN-IDE/2012;, Master thesis, 2012)
      Nowadays the most commonly used technologies in Enterprise Architecture modeling are static. BPMN is one of such technologies, which is used widely for drawing models of business processes. Limitation of BPMN is that it ...

    • Dynamic interfacial tension measurement method using axisymmetric drop shape analysis 

      Bagalkot, Nikhil Lakshmish; Hamouda, Aly Anis; Isdahl, Ole Morten Robertsen (Journal article; Peer reviewed, 2018-06)
      The current method describes a simple modification to the dynamic and equilibrium interfacial tension (IFT) measurement in a multiphase system (gas-liquid/liquid-liquid) by the Axisymmetric Drop Shape Analysis (ADSA) pendant ...

    • Dynamic loads on telescopic safety joint for workover riser 

      Fredrik Haugland, Danielsen (Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-05)
      The push in the industry towards increasing the weather window for marine operations offshore leads to a focus on new technology. When performing workover operations in a subsea well, the workover riser is a physical ...

    • Dynamic modelling of ram BOP 

      Nadeem, Muhammed Umar (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018)
      As the closing time of Blowout Preventer rams is safety critical, this thesis proposes a dynamic model to calculate the closing time of a ram Blowout Preventer. The thesis work includes guidelines to recreate such a model ...

    • Dynamic Performance and Control Strategies of Micro Gas Turbines: State-of-the-Art Review, Methods, and Technologies 

      Hashmi, Muhammad Baqir; Mansouri, Mohammad; Assadi, Mohsen (Peer reviewed; Journal article, 2023)
      The stringent energy and climate change regulations have resulted in a growing share of non-dispatchable renewable energy sources (i.e., solar and wind) in the global energy mix. This has influenced the use of fast and ...

    • Dynamic redundancy scaling for client load dynamics 

      Wu, Yinjun (Masteroppgave/UIS-TN-IDE/2010;, Master thesis, 2010)
      This paper presents the mechanism and implementation of dynamically redun- dancy scaling for client load dynamics. The scaling is about the control of max- imum and minimum counter of replicas which provide identical ...

    • Dynamic response analysis of a catamaran installation vessel during the positioning of a wind turbine assembly onto a spar foundation 

      Jiang, Zhiyu; Li, Lin; Gao, Zhen; Halse, Karl Henning; Sandvik, Peter Christian (Journal article; Peer reviewed, 2018-05-11)
      Installation of floating wind turbines is a challenging task. The time and costs are closely related to the installation method chosen. This paper investigates the performance of an efficient installation concept – a ...

    • Dynamic response of a floating bridge under wind conditions from field measurements 

      Syper, Joanna; Zhao, Ran (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-28)
      The long and slender floating structures across the wide and deep waters are exposed for considerable environmental loads. In this study, the dynamic response of a curved floating pontoon bridge supported by side mooring ...

    • Dynamic response of a floating offshore wind turbine 

      Stølsmark, Rasmus (Masteroppgave/UIS-TN-IKM/2010;, Master thesis, 2010)
      The ever increasing demand for renewable energy, combined with limited areas suitable for large wind farms, has put focus on the development of floating wind turbines. In this thesis the dynamic response of a floating ...