Blar i Institutt for marin teknikk på tittel

Viser treff 3313-3332 av 3421

    • Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III 

      Popko, Wojciech; Robertson, Amy; Jonkman, Jason; Wendt, Fabian; Thomas, Philipp; Müller, Kolja; Kretschmer, Matthias L.; Hagen, Torbjørn Ruud; Galinos, Christos; Dreff, Jean-Baptiste Le; Gilbert, Philippe; Auriac, Bertrand; Oh, Sho; Qvist, Jacob; Sørum, Stian Høegh; Suja, Loup; Shin, Hyunkyoung; Molins, Climent; Trubat, Pau; Bonnet, Paul; Bergua, Roger; Wang, Kai; Fu, Pengcheng; Cai, Jifeng; Cai, Zhisong; Alexandre, Armando; Harries, Robert (Peer reviewed; Journal article, 2020)
      The main objective of the Offshore Code Comparison Collaboration Continuation, with Correlation (OC5) project is validation of aero-hydro-servo-elastic simulation tools for offshore wind turbines (OWTs) through comparison ...

    • Validation of Numerical Models of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Against Full-Scale Measurements Within OC5 Phase III 

      Popko, Wojciech; Robertson, Amy; Jonkman, Jason; Wendt, Fabian; Thomas, Philipp; Müller, Kolja; Kretschmer, Matthias L.; Hagen, Torbjørn Ruud; Galinos, Christos; Dreff, Jean-Baptiste Le; Gilbert, Philippe; Auriac, Bertrand; Oh, Sho; Qvist, Jacob; Sørum, Stian Høegh; Suja, Loup; Shin, Hyunkyoung; Molins, Climent; Trubat, Pau; Bonnet, Paul; Bergua, Roger; Wang, Kai; Fu, Pengcheng; Cai, Jifeng; Cai, Zhisong; Alexandre, Armando; Harries, Robert (Chapter, 2019)
      The main objective of the Offshore Code Comparison Collaboration Continuation, with Correlation (OC5) project is validation of aero-hydro-servo-elastic simulation tools for offshore wind turbines (OWTs) through comparison ...

    • Validation of Numerical Wave Tank Simulations Using REEF3D With JONSWAP Spectra in Intermediate Water Depth 

      Pakozdi, Csaba; Fouques, Sebastien; Thys, Maxime; Kamath, Arun Mulky; Wang, Weizhi; Hoseini Dadmarzi, Fatemeh; Bachynski, Erin Elizabeth; Bihs, Hans Sebastian (;Paper No: OMAE2020-18298, V001T01A012, Chapter, 2020)
      As offshore wind turbines increase in size and output, the support structures are also growing. More sophisticated assessment of the hydrodynamic loads is needed, particularly for the ultimate limit state design. For ...

    • Validation of seakeeping calculations of a wind farm installation vessel 

      Nicolaysen, Sven Ole M (Master thesis, 2016)
      The title of this master thesis is "Validation of Seakeeping Calculations of a Wind Farm Installation Vessel". The work has been conducted for Fred. Olsen Windcarrier, by Stud. Tech. Sven Ole Mollestad Nicolaysen at the ...

    • Validation of ship manoeuvring models using metamodels 

      Gavrilin, Sergey; Steen, Sverre (Journal article; Peer reviewed, 2017)
      This paper describes how simplified auxiliary models—metamodels—can be used to create benchmarks for validating ship manoeuvring simulation models. A metamodel represents ship performance for a limited range of parameters, ...

    • Validation of ship manoeuvring simulation models 

      Gavrilin, Sergey (Doctoral theses at NTNU;2018:67, Doctoral thesis, 2018)
      During the last decades the application of ship simulation models for training of pilots, ship design, planning and construction of harbours and waterways, planning of complex marine operations and other engineering purposes ...

    • Validation of vessel seakeeping model tuning algorithm based on measurements at model scale 

      Han, Xu; Leira, Bernt Johan; Sævik, Svein; Kaasen, Karl Erik (Peer reviewed; Journal article, 2021)
      Wave-induced vessel motion prediction plays a critical role in ensuring safe marine operations. The operational limiting criteria can usually be calculated by applying presumed linearized vessel motion transfer functions ...

    • The Value of High-Fidelity Numerical Simulations of Ice-Ship and Ice-Structure Interaction in Arctic Design with Informed Decisionmaking 

      van den Berg, Marnix Albert; Bjørnø, Jon; Lu, Wenjun; Skjetne, Roger; Lubbad, Raed; Løset, Sveinung (Chapter, 2022)
      Long-term changes in the climate lead to an increase of activities in the Arctic. Ships and structures operating in Arctic waters may encounter sea ice and must be designed to withstand the loads resulting from ice-ship ...

    • Value of information-based inspection planning for offshore structures 

      Agusta, Arifian; Leira, Bernt Johan; Thons, Sebastian (Chapter, 2017)
      Asset integrity and management is an important part of the oil and gas industry especially for existing offshore structures. With declining oil price, the production rate is an important factor to be maintained that makes ...

    • A value of prediction model to estimate optimal response time to threats for accident prevention 

      Zhu, Tiantian; Liu, Yiliu; Haugen, Stein; Yang, Xue (Peer reviewed; Journal article, 2022)
      This paper presents a novel value of (imperfect) prediction (VoP) model to estimate optimal response time to a threat that may result in an accident. The proposed VoP model is based on information value theory and considers ...

    • Valuing Flexibility in Ship Design - A Real Options Approach 

      Jahangiry, Tara (Master thesis, 2015)
      This thesis is a Real Options (RO) approach to valuing flexibility in ship design. The overall object is to find the value of owning a Multipurpose Offshore Construction Vessel (MOCV) by applying the Black-Scholes Option ...

    • Variable Inlet and Exhaust Valve Operation in Medium Speed Marine Diesel Engines 

      Sæle, Hans Steffen Ravnanger (Master thesis, 2010)
      This thesis was successfully completed through five main parts. First a lingering issue of great importance was dealt with in order to start the use of the provided simulation model. This task was imperative to accurate ...

    • Variational formulations, model comparisons and numerical methods for Euler–Bernoulli micro- and nano-beam models 

      Niiranen, Jarkko; Balobanov, Viacheslav; Kiendl, Josef; Hosseini, S. B. (Journal article; Peer reviewed, 2017)
      As a first step, variational formulations and governing equations with boundary conditions are derived for a pair of Euler–Bernoulli beam bending models following a simplified version of Mindlin’s strain gradient elasticity ...

    • Vent Valve Thrust Force for Surface Effect Ships 

      Teigland, Håkon; Hassani, Vahid; Auestad, Øyvind Fidje (Journal article; Peer reviewed, 2019)
      The Surface Effect Ship (SES) holds promise as a viable and appealing alternative for transferring crew to offshore wind farms and oil platforms due to its superior seakeeping capability, high comfort and speed. A SES is ...

    • Verification and Examination Management of Complex Systems 

      Ruud, Stian Knud; Skjetne, Roger (Journal article; Peer reviewed, 2014)
      As ship systems become more complex, with an increasing number of safety-critical functions, many interconnected subsystems, tight integration to other systems, and a large amount of potential failure modes, several industry ...

    • Verification of a collision avoidance algorithm in open sea and full visibility using fuzzy logic 

      Trodahl, Marius (Master thesis, 2021)
      Autonome overflatefartøy er er et populært emne som det er blitt gjort mye forskning på. Ved bruk av autonome overflatefartøy kan man redusere kostnader, øke sikkerhet, pålitelighet, effektivitet og oppnå et mer bærekraftig ...

    • Verification of collision avoidance algorithms in open sea and full visibility using fuzzy logic 

      Marius, Trodahl; Tom Arne, Pedersen; Azzeddine, Bakdi; Nguyen, Dong Trong (Journal article; Peer reviewed, 2023)

    • Verification of Collision Avoidance Utilizing Data-driven Fuzzy Logic 

      Yining Yang (Master thesis, 2023)
      In all the hazardous accidents at sea, ship collision is always the most frequent one. It has been paid great attention, and International Regu- lations for Preventing Collisions at Sea (COLREG) are being complied with. ...

    • Verification of Numerical Offshore Wind Turbine Models Based on Full Scale Alpha Ventus Data within OC5 Phase III 

      Popko, Wojciech; Huhn, Matthias L.; Robertson, Amy N.; Jonkman, Jason M.; Wendt, Fabian; Müller, Kolja; Kretschmer, Matthias L.; Vorpahl, Fabian; Hagen, Torbjørn Ruud; Galinos, Christos; Dreff, Jean-Baptiste Le; Gilbert, Philippe; Auriac, Bertrand; Villora, Francisco Navarro; Schünemann, Paul; Bayati, Ilmas; Oh, Sho; Totsuka, Yoshitaka; Qvist, Jacob; Bachynski, Erin Elizabeth; Sørum, Stian Høegh; Thomassen, Paul Edgar; Shin, Hyun Kyoung; Vittori, Felipe; Galvan, Josean; Molins, Climent; Bonnet, Paul; Zee, Tjeerd van der; Bergua, Roger; Wang, Kai; Fu, Pengcheng; Cai, Jifeng (Chapter, 2018)
      The main objective of the Offshore Code Comparison Collaboration Continuation, with Correlation (OC5) project, is validation of aero-hydro-servo-elastic simulation tools for offshore wind turbines (OWTs) through comparison ...

    • Verifying and Validation of a Manoeuvring Model for NTNU's Research Vessel R/V Gunnerus 

      Tjøswold, Sissel (Master thesis, 2012)
      MARINTEK's ship motion simulation program SIMAN (ShipX manoeuvring module) is used to develop a ship motion model for NTNU's research vessel R/V Gunnerus. SIMAN uses a 3-DOF linear mathematical model to describe the vessel's ...