Browsing Faculty of Science and Technology by Journals "Ocean Engineering"
Now showing items 1-18 of 18
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ALK-PE: An efficient active learning Kriging approach for wave energy converter power matrix estimation
(Peer reviewed; Journal article, 2023-10)Wave energy is considered one of the most potential renewable energy. In the last two decades, many wave energy converters (WECs) have been designed to harvest energy from the ocean. Different power take-off systems are ... -
Baseline design of a subsea shuttle tanker system for liquid carbon dioxide transportation
(Peer reviewed; Journal article, 2021-10)This paper presents the baseline design of a 34,000-tonne subsea shuttle tanker (SST). The SST is proposed as an alternative to subsea pipelines and surface tankers for the transportation of liquid carbon dioxide (CO2) ... -
Comparative dynamic analysis of two-rotor wind turbine on spar-type, semi-submersible, and tension-leg floating platforms
(Peer reviewed; Journal article, 2022)Multi-rotor floating offshore wind turbines have been recently proposed as an innovative technology to further reduce the cost of offshore wind energy. Even though examples of commercial prototypes are present, the literature ... -
Comparative study of five commonly used gravity type fish cages under pure current conditions
(Peer reviewed; Journal article, 2022-04)Gravity type fish cages have been commonly used in marine aquaculture for years. However, only limited research efforts have been made to assess the influences of different design parameters on the structural responses of ... -
Comparative study on two deployment methods for large subsea spools
(Peer reviewed; Journal article, 2021-08)The demand for subsea spool deployment is increasing with the expansion of offshore projects. For a project to install multiple spools, different deployment methods can be used. The choice of method may influence the safety ... -
Determination of extreme responses of USFG’s equilibrium glide path hovering in ocean current
(Peer reviewed; Journal article, 2022)The UiS subsea-freight glider (USFG) is a state-of-the-art autonomous vessel designed to be an alternative to existing transportation technologies and serve the demands of small-scale fields for CO2 transportation. Generally, ... -
Development of a coupling algorithm for fluid-structure interaction analysis of submerged aquaculture nets
(Peer reviewed; Journal article, 2021-12)A coupling algorithm between two open-source numerical toolboxes, i.e., OpenFOAM and Code_Aster, is implemented for fluid-structure interaction analysis of submerged nets. This algorithm is developed to handle the wake ... -
Dynamic analysis of a two-rotor wind turbine on spar-type floating platform
(Peer reviewed; Journal article, 2021-07)The dynamic response of a two-rotor wind turbine mounted on a spar-type floating platform is studied. The response is compared against the baseline OC3 single-rotor design. Structural design shows how the two-rotor design ... -
Effects of mooring line breakage on dynamic responses of grid moored fish farms under pure current conditions
(Peer reviewed; Journal article, 2021)Due to the lack of sheltered area, Norwegian fish farms are expanding to more exposed and remote sites. The severe environmental conditions in exposed sites can increase the risk of structural failure during aquaculture ... -
An evaluation of different RANS turbulence models for simulating breaking waves past a vertical cylinder
(Peer reviewed; Journal article, 2021)The purpose of the present study is to evaluate the performance of different turbulence models for predicting the interaction between breaking waves and a vertical cylinder based on the volume of fluid (VOF) method. Six ... -
Identification of the safety operating envelope of a novel subsea shuttle tanker
(Peer reviewed; Journal article, 2022-10)A baseline Subsea Shuttle Tanker (SST) was proposed as a cost-efficient maritime transportation method. It is designed to be a 164 m length, 17 m beam autonomous underwater vessel with a cargo capacity of over 16,000 m3. ... -
A novel design approach for estimation of extreme load responses of a 10-MW floating semi-submersible type floating wind turbine
(Peer reviewed; Journal article, 2022)Offshore structures are constructed to withstand extreme wind and wave-induced loads, so studying these extreme loads is vital as it allows offshore structures, e.g., wind turbines, to be designed and operated with minimal ... -
Novel reliability method validation for offshore structural dynamic response
(Peer reviewed; Journal article, 2022)The paper validates novel structural reliability Gaidai-Fu-Xing (GFX) method, particularly suitable for multi-dimensional structural responses, versus well established bivariate statistical method, that is known to accurately ... -
Numerical analysis on flow around a wall-mounted square structure using Dynamic Mode Decomposition
(Peer reviewed; Journal article, 2021-03)Numerical investigations of the flow around a wall-mounted square structure have been carried out by using three-dimensional Spalart-Allmaras Delayed Detached Eddy Simulations (SADDES). The Reynolds number based on the ... -
Numerical study on vibratory extraction of offshore wind turbine monopile foundations under sandy seabed condition
(Peer reviewed; Journal article, 2023)The wind industry has experienced a rapid growth in Europe over the last decades. The early generation turbines were designed for a life of 20–25 years. Decommissioning of offshore wind turbines is becoming more important ... -
Prediction of short-term wind and wave conditions for marine operations using a multi-step-ahead decomposition-ANFIS model and quantification of its uncertainty
(Journal article; Peer reviewed, 2019-09)Short-term predictions of wind and wave properties with a duration of 1–3 days are vital for decision-making during the execution of marine operations. One-step-ahead weather conditions can be accurately predicted via ... -
Testing the robustness of optimal access vessel fleet selection for operation and maintenance of offshore wind farms
(Peer reviewed; Journal article, 2017)Optimising the operation and maintenance (O&M) and logistics strategy of offshore wind farms implies the decision problem of selecting the vessel fleet for O&M. Different strategic decision support tools can be applied to ... -
Use of response forecasting in decision making for weather sensitive offshore construction work
(Peer reviewed; Journal article, 2023)Response forecasting is an emerging technology for supporting decision-making during offshore construction work. The method aims to improve the reliability and efficiency of weather-sensitive operations. This article ...