• Validation of Data-Driven Labeling Approaches Using a Novel Deep Network Structure for Remaining Useful Life Predictions 

      Ellefsen, Andre; Ushakov, Sergey; Æsøy, Vilmar; Zhang, Houxiang (Journal article; Peer reviewed, 2019)
      Today, most research studies that aim to predict the remaining useful life (RUL) of industrial components based on deep learning techniques are using piecewise linear (PwL) run-to-failure targets to model the degradation ...
    • Validation of Hydrodynamic Loads on a Large-Diameter Monopile in Regular Waves 

      Hoseini Dadmarzi, Fatemeh; Thys, Maxime; Bachynski, Erin Elizabeth (Chapter, 2019)
      Validated hydrodynamic load models for large-diameter support structures are increasingly important as the industry moves towards larger offshore wind turbines. Experiments at 1:50 scale with stiff, vertical, bottom-fixed, ...
    • Validation of hyperspectral camera operations with an experimental aircraft 

      Langer, Dennis D.; Prentice, Elizabeth; Johansen, Tor Arne; Sørensen, Asgeir Johan (Peer reviewed; Journal article, 2022)
      HYPSO-1 is a Small Satellite with a hyperspectral camera payload inside a six unit cubesat platform, launched january 2022. This paper describes how the operation of the same hyperspectral camera is validated by deployment ...
    • Validation of multi-body modelling methodology for reconfigurable underwater robots 

      Nielsen, Mikkel Cornelius; Eidsvik, Ole Alexander; Blanke, Mogens; Schjølberg, Ingrid (Chapter; Peer reviewed, 2016)
      This paper investigates the problem of employing reconfigurable robots in an underwater setting. The main results presented is the experimental validation of a modelling methodology for a system consisting of N dynamically ...
    • Validation of Nonlinear Hydrodynamic Load Models for a Monopile in Long-Crested Waves 

      Patel, Pratim Jayesh (Master thesis, 2018)
      This Master Thesis studies an offshore wind turbine supported by a monopile structure. Model tests for a fully flexible monopile were carried out in the Ocean Basin facility at SINTEF Ocean in August 2017, through the ...
    • 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 ...