Blar i Institutt for marin teknikk på tittel
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Numerical modeling of perforated plates in oscillating flow
(Journal article; Peer reviewed, 2019)Perforated plates, relevant for several marine applications, are experimentally and numerically investigated. The numerical investigations are performed using a presently developed Navier–Stokes solver. Several comparison ... -
Numerical modeling of the hydraulic blade pitch actuator in a spar‐type floating wind turbine considering fault conditions and their effects on global dynamic responses
(Peer reviewed; Journal article, 2020)This paper deals with numerical modeling of the hydraulic blade pitch actuator and its effect on the dynamic responses of a floating spar‐type wind turbine under valve fault conditions. A spar‐type floating wind turbine ... -
Numerical Modelling and Analysis of the Dynamic Motion Response of an Offshore Wind Turbine Blade during Installation by a Jack-Up Crane Vessel
(Journal article; Peer reviewed, 2018)Jack-up crane vessels are commonly used to install offshore wind turbine blades and other components. A jack-up crane vessel is subjected to wind and wave loads, which cause motion at crane tip. Excessive motion at crane ... -
Numerical Modelling and Dynamic Analysis of Offshore Wind Turbine Blade Installation
(Doctoral theses at NTNU;2019:190, Doctoral thesis, 2019)Installing offshore wind turbine blades is very challenging and risky due to large lifting height and high required installation precision. Offshore single blade installation is frequently adopted because of small deck ... -
Numerical modelling and dynamic response analysis of a 10 MW semi-submersible floating offshore wind turbine subjected to ship collision loads
(Journal article; Peer reviewed, 2022)The number of installed offshore wind turbines is continuously growing worldwide in recent years. Offshore wind farms are generally located near the coast close to traffic lanes and are exposed to the risk of collisions ... -
Numerical modelling and dynamic response analysis of curved floating bridges with a small rise-span ratio
(Peer reviewed; Journal article, 2020)As a potential option for transportation applications in coastal areas, curved floating bridges with a same small specified rise to span ratio of 0.134, supported by multiple pontoons, are investigated in this paper. Two ... -
Numerical modelling and simulation of floating oil storage tanks considering the sloshing effect
(Master thesis, 2017)This report is performed at Department of Marine Technology at Norwegian University of Technology and Science (NTNU), which would also serve as part of the master thesis at Chalmers University of Technology (CTH). This ... -
Numerical modelling and simulations for lowering of an offshore wind turbine tripod
(Master thesis, 2016)Offshore wind industry is developing very fast. Transport and installation are important aspects for reducing the life-cycle cost of offshorewind farms. In shallowwaters (10-30mof water depths), monopile foundations have ... -
Numerical modelling of hydrodynamic responses of Ocean Farm 1 in waves and current and validation against model test measurements
(Peer reviewed; Journal article, 2021)With the continuous growing of the aquaculture industry and increasingly limited fish farming sites at close to shore areas both in Norway and worldwide, there is a need to develop fish farms suitable for aquaculture ... -
Numerical modelling of pipeline scour under the combined action of waves and current with free-surface capturing
(Journal article; Peer reviewed, 2019)Understanding the pipeline scour processes under the combined action of waves and current is essential for adequate scour protection measures. This paper presents the numerical modelling of pipeline scour under the ... -
Numerical Modelling of Sailing Hydrofoil Boats
(Master thesis, 2019)Motivasjonen til denne avhandlingen kommer fra ønsket om å lage en treningssimulator for erfarne seilere som ikke er kjent med hydrofoilfartøy. Siden en simulator kan være basert på flere typer numeriske metoder, blir en ... -
Numerical Modelling of Turbulent Boundary Layer
(Master thesis, 2014)Most physical problems involving viscous fluid flows are characterized by turbulence where instabilities and large velocity gradients generate fluctuations in the flow field. Towed sonar arrays are exposed to turbulence ... -
Numerical Models in Real-Time Hybrid Model Testing of Slender Marine Systems
(Chapter, 2017)This paper presents a study of numerical models used in Real-Time Hybrid Model (ReaTHM) testing, conducted in a still water basin at SINTEF Ocean. ReaTHM testing is a method where a system is divided into physical and ... -
A Numerical Parameter Study on Current Forces on Circular Aquaculture Net Cages
(Chapter, 2013)The focus in this paper is on current forces on circular aquaculture nets, and how they vary with different parameters. The main parameters are current velocity and profile, solidity ratio of the net, sinker weights and ... -
Numerical Potential-Flow Studies on Weakly-Nonlinear Wave-Body Interactions with/without Small Forward Speeds
(Doctoral Theses at NTNU, 1503-8181; 2010:215, Doctoral thesis, 2010)A two-dimensional Quadratic Boundary Element Method (QBEM) and a three-dimensional cubic Higher-order Boundary Element Method (HOBEM) are developed to study respectively the twodimensional and three-dimensional weakly-nonlinear ... -
Numerical Prediction of Ship-Ice Interaction: A Project Presentation
(Chapter; Peer reviewed, 2017)It is inevitable that commercial shipping and oil and gas resource exploitation activities in the Arctic will increase due to decreasing sea ice extent caused by global climate changes. Significantly more demanding and at ... -
Numerical prediction of wave patterns due to motion of 3D bodies by Kelvin-Havelock sources
(Peer reviewed; Journal article, 2016)This paper discusses the numerical evaluation of the hydrodynamic characteristics of submerged and surface piercing moving bodies. Generally, two main classes of potential methods are used for hydrodynamic characteristic ... -
Numerical Predictions of Global and Local Ice Loads on Ships
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:154, Doctoral thesis, 2011)Ice loads represent the dominant load for ice-going ships, and it is important to estimate both global and local ice loads on ship hulls. The global ice load governs the ship’s overall performance in ice, and it is an ... -
Numerical Simulation for Installation of Jacket Foundation of Offshore Wind Turbines
(Master thesis, 2014)A large contribution to the overall project costs of an offshore wind farm originates from the transport and installation of the substructures. A better understanding of the operational limits that apply for the installation ... -
Numerical Simulation of Boundary Layer Flow Around Simplified Subsea Structures
(Master thesis, 2015)Numerical simulations of boundary layer flow over simplified subsea structures on a flat seabed have been performed. A two-dimensional RANS method with a standard high Reynolds number k-ε turbulence model have been applied. ...