PhD theses (TN-IKM / TN-IMBM)
Recent Submissions
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Application of Wind Lidar Technology in Bridge Engineering
(PhD thesis UiS;819, Doctoral thesis, 2024)A wind Doppler LiDAR (Light Detection And Ranging) is a highly effective tool for investigating key phenomena in the atmospheric boundary layer and remotely measuring wind and turbulence, both of which are crucial in wind ... -
Design, Numerical Modelling, and Dynamic Analysis of Combined Wind and Wave Energy Systems for Intermediate Water Depths
(PhD thesis UiS;, Doctoral thesis, 2024)A promising strategy to fully harness the potential of offshore wind and wave energy lies in their combined exploitation. While the Development of integrated wind and wave energy systems is still in the early stages, recent ... -
Performance Enhancement in Healthcare Sector Supply Chains for Adapting Circular Economy Goals
(PhD thesis UiS;, Doctoral thesis, 2024)The healthcare sector is one of the most significant producers to carbon emissions in the service industry, accounting for 4.6 percent of global greenhouse gas emissions. These emissions originate both directly from ... -
Sustainable Circular Business Ecosystem in Plastic Waste Supply Chain: Challenges and Strategies
(PhD thesis UiS;, Doctoral thesis, 2024)The application of CE is important for plastic waste supply chain since the linear approach of current situation may lead to harmful environmental impact since plastic waste may pollute the ocean for hundred years by its ... -
Design Optimisation of Power Cable Configurations for Floating Offshore Wind Turbines
(PhD Theses UiS;, Doctoral thesis, 2024)The present work investigates the design of dynamic inter-array power cable configurations for floating offshore wind turbines (FOWTs). It builds upon traditional design processes by integrating optimisation methods. Extensive ... -
Numerical Modeling and Dynamic Analysis of Two-Rotor Floating Offshore Wind Turbines
(PhD thesis UiS;682;, Doctoral thesis, 2023)The exploitation of offshore wind in deep waters by means of floating wind turbines is steadily gaining traction as a suitable option to produce renewable energy. Among the innovative technologies recently proposed, two-rotor ... -
Numerical Modelling and Global Response Assessment of Floating Docks towards Efficient, Safer and Autonomous Docking Operations
(PhD thesis UiS;, Doctoral thesis, 2024)Floating docks are known for their construction efficiency and operational flexibility compared to traditional graving docks. They play an important role in shipyards by serving as essential platforms for vessel construction, ... -
Identifying innovation opportunities emerging from technology and business trends
(PhD thesis UiS;, Doctoral thesis, 2023)Businesses are continuously looking for opportunities to innovate. There is a gap in the literature regarding innovation models and approaches that are systematic, practical and easy to apply. This thesis addresses this ... -
Design and Dynamic Analysis of a Novel Subsea Shuttle Tanker
(PhD thesis UiS;, Doctoral thesis, 2023)Underwater pipelines, tanker ships, and liquefied gas carriers have traditionally been employed to transport hydrocarbons between offshore oil and gas facilities and onshore locations. However, both methods come with ... -
Crack Arresting using Cutout Repair in Tubular Offshore Joints
(PhD thesis UiS;, Doctoral thesis, 2023)Finding efficient repair methods for cracked tubular joints in offshore structures is important, both as a permanent or temporary repair solution. The exploration of such methods and techniques includes the use of hole ... -
Thermal Stratification and Turbulent Wind Loading on Floating Wind Turbines
(PhD thesis UiS;, Doctoral thesis, 2023)Offshore wind is a promising clean energy alternative to fossil fuels. The wind resource at sea is considerably stronger than on land, and the offshore wind turbines (OWTs) tend to be larger. Currently, more than 160 ... -
Effect and consequence analysis of expanding PIN-technology in various types of heavy machinery
(PhD thesis UiS;, Doctoral thesis, 2023)Expanding pin systems can be applied in any joint, moveable, or fixed, in any type of machine, crane, or equipment, in almost any type of industry, globally. There are a variety of different versions of expanding pins ... -
Experimental and Numerical Investigation of Residual Stress for Structural Integrity Assessment of Proximity Girth Welds
(PhD thesis UiS;, Doctoral thesis, 2023-01)Over the last decade, there has been a growing interest in the life extension of existing welded structures in offshore and renewable industry. During this phase of extension, repair of welded structures is a common practise ... -
Bridge aerodynamics in skew winds: Generalized buffeting load modelling and response analysis
(PhD thesis UiS;, Doctoral thesis, 2022-11)This thesis deals with the modelling of wind loads on bridges. When turbulent wind blows past a bridge deck, the deck experiences fluctuating loads, i.e., buffeting loads. Most buffeting theories concern straight bridge ... -
Fatigue of Structural and Additively Manufactured Steels: Damage Assessment and Modelling Techniques
(PhD thesis UiS;, Doctoral thesis, 2022-09)The topics of damage assessment by in situ measurements before a macroscopic crack has been initiated, nonlinear damage modelling and additive manufacturing are herein discussed and researched from the perspective of the ... -
Development of Advanced Numerical Tools for Dynamic Analysis of Aquaculture Structures
(PhD thesis UiS;, Doctoral thesis, 2022-04)Numerical methods to accurately predict dynamic responses of marine aquaculture structures are essential in the engineering design process, because these structures can be subjected to large wave and current loads in the ... -
Bridge deck aerodynamics: A case study in full-scale
(PhD thesis UiS;, Doctoral thesis, 2022-04)One of the key aspects of bridge deck aerodynamics is the transformation of the incident wind flow into fluctuating surface pressures around a bridge deck. The atmospheric turbulence generates fluctuating loads on bridge ... -
Cracking Behavior of Reinforced Concrete Structures Subjected to Service Load: Experimental and Numerical Investigation
(PhD thesis UiS;, Doctoral thesis, 2021-10)Cracks in reinforced concrete (RC) structures are controlled to enhance the service life, for a better aesthetic appearance, and to avoid leakages in liquid retaining structures. The most widely used crack controlling ... -
Fuel Cell Powered Drone: Use of Fuel Cells to Extend Multirotor Drone Endurance
(PhD thesis UiS;, Doctoral thesis, 2021-10)Unmanned aerial systems can be used for a range of industrial applications to reduce risk, cost, and time. Fuel cell-based propulsion systems are outlined as a solution to extend mission endurance, one of the current main ... -
Safety and Emergency Response Associated with Cold Climate Marine Operations
(PhD thesis UiS;, Doctoral thesis, 2020)This dissertation is developed by GMC Maritime and the University of Stavanger and is part of the industrial PhD program at the Norwegian Research Council. The aim of the work is to identify the governing mechanisms ...
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