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Cost-Efficient Emission Control Area Compliancy
(Master thesis, 2012)The overall aim of this case study is to find the most cost-effective strategy for complying with the IMO s MARPOL Convention Regulation 13 & 14 in the Baltic Sea Emission Control Areas (ECAs) in the period from 2015 to ... -
Cost-Emission Relations for Maritime Logistics Support in Aquaculture
(Journal article; Peer reviewed, 2019)This paper presents a method for evaluation of the economic cost of reducing the emissions from a fleet operating in the aquaculture industry. The method accounts for the fact that different fleet compositions perform ... -
Coupled Analysis of a Moored Sevan Hull by the use of OrcaFlex
(Master thesis, 2013)Offshore activity related to the search of energy in terms of hydrocarbons is taking place at increasing water depths. In deeper water, the effects on the floater motion from the mooring and riser systems increase ... -
Coupled Analysis of a Spar Floating Wind Turbine considering both Ice and Aerodynamic Loads
(Master thesis, 2015)In this thesis a model is proposed for establishing the coupled analysis of a spar floating wind turbine considering both ice and aerodynamic loads. This topic is important within the field of renewable energies research ... -
Coupled dynamic analysis of a floating dock system for installation of a spar wind turbine
(Master thesis, 2019)A floating dock concept has been developed to assemble spar floating wind turbines near the offshore wind farm site. The concept comprises a floating dock that is moored on site with chains to the sea bed. The dock is ... -
Coupled Fluid–Solid Numerical Simulation for Flow Field Characteristics and Supporting Performance of Flexible Support Cylindrical Gas Film Seal
(Peer reviewed; Journal article, 2021)A new type of cylindrical gas film seal (CGFS) with a flexible support is proposed according to the working characteristics of the fluid dynamic seal in high-rotational-speed fluid machinery, such as aero-engines and ... -
A Coupled Harmonic Polynomial Cell and Higher-Order Spectral Method for Nonlinear Wave Propagation
(Chapter, 2020)The present work deals with wave generation in fully nonlinear numerical wave tanks (NWT). As an alternative to modelling a moving (physical) wavemaker, a two-dimensional (2D) potential-flow NWT is coupled with an external ... -
Coupled vessel and moonpool responses in regular and irregular waves
(Peer reviewed; Journal article, 2020)Hydrodynamic coupling between the ship and moonpool responses is investigated. Dedicated experiments are carried out in the Ocean Basin at Sintef Ocean. Three different moonpool sizes are studied, where the moonpool length ... -
Coupling of a 2D Boundary Element Method with a local analytical solution to deal with geometrical singularities
(Master thesis, 2016)Boundary Element Method, BEM, as a numerical tool to solve boundary values problems, has been developed and tested. The numerical scheme is coupled with known analytical flow models for geometrical singularities, and results ... -
Coupling of marine riser and tensioner system
(Master thesis, 2011)A coupled model of a marine riser and a tensioner system is built. The riser is modeled using the multi-body dynamics program MSC Adams, and the tensioner system using the powerful controls and systems simulation tool, MSC ... -
Crane Rig: An Experimental Setup for Developing and Verifying New Control Methods for Marine Crane Operations
(Chapter; Peer reviewed, 2017)This paper will present the derivation of dynamic equations describing the motion of a knuckleboom crane for marine vessels. The dynamics will be derived using Lagrange’s equation, the theory of virtual work and generalized ... -
Critical assessment of hydrodynamic load models for a monopile structure in finite water depth
(Peer reviewed; Journal article, 2020)The response from steep and breaking waves for a monopile structure is investigated by analysis of experimental results and by application of numerical models for six irregular sea states. The experimental monopile was ... -
Critical assessment of non-linear hydrodynamic load models for a fully flexible monopile offshore wind turbine
(Journal article; Peer reviewed, 2018)This paper presents a comparison between experimental data of a model-scale 4 MW monopile offshore wind turbine subjected to extreme irregular sea states in finite water and the numerical models suggested in offshore wind ... -
Critical Assessment of Non-linear Wave Loads in the Design of Offshore Wind Turbines
(Master thesis, 2014)Good wind conditions make Dogger Bank a well suited site for offshore wind industry. The harsh environment combined with shallow water, create significant non-linear wave loads which must be accounted for in the ultimate ... -
Critical Assessment of Non-linear Wave Loads in the Design of Offshore Wind Turbines
(Master thesis, 2014)Good wind conditions make Dogger Bank a well suited site for offshore wind industry. The harsh environment combined with shallow water, create significant non-linear wave loads which must be accounted for in the ultimate ... -
Crystal plasticity modeling of microstructure influence on fatigue crack initiation in extruded Al6082-T6 with surface irregularities
(Journal article, 2018)The influence of surface roughness and microstructure heterogeneities in the vicinity of macroscopic stress concentrations are investigated by crystal plasticity simulations. It is shown that in the extruded Al6082-T6 alloy ... -
Current Estimation for Autonomous Underwater Vehicle using Supervised Learning
(Master thesis, 2021)Navigasjonsteknikker for undervannsfartøy avhenger av pålitelige hastighetsestimater. Den største usikkerheten for estimatene er havstrømninger, som utgjør den største eksterne forstyrrelsen. DVL er per i dag den ledende ... -
Current Estimation for Small Autonomous Passenger Ferry
(Master thesis, 2020)Autonomien i maritime næringer blir stadig bedre, noe som gjør at flere innovative prosjekter settes i gang. Nå som selvkjørende busser har blitt en realitet på veien, har det også blitt åpnet opp for idéen om selvkjørende ... -
Current Profile Estimation for a Moored Floating Structure
(Master thesis, 2018)Stationkeeping operations for offshore vessels (drillrigs, drillships, construction and intervention vessels, PSVs, etc.) are essential for offshore filed development and oil and gas production. Short-term subsea operations ... -
Current status and future operational models for transit shipping along the Northern Sea Route
(Journal article; Peer reviewed, 2018)The Northern Sea Route (NSR) has received increased international attention during the recent years as an alternative transit corridor for shipping between Europe and East Asia. In 2015, the project “Feasibility and ...