Blar i Vitenskapelige publikasjoner (TN-IMBM) på tittel
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Buckling capacity of simulated patch corroded tubular columns – laboratory tests
(Peer reviewed; Journal article, 2019)This paper presents the experimental test results for the buckling capacity of tubular columns exposed to simulated unsymmetrical patch corrosion damage. These tests were performed to investigate how the results of these ... -
Burst strength analysis of composite overwrapped pressure vessel using finite element method
(Peer reviewed; Journal article, 2021)The purpose of this numerical study was to investigate the burst performance of a type III composite overwrapped pressure vessel (COPV) using finite element methods. An Aluminum overwrapped composites pressure vessel was ... -
Capacity of Concrete Structures with Corroded Reinforcement and Prestressing Tendons
(Peer reviewed; Journal article, 2021)The main degradation mechanism for concrete structures is corrosion of the reinforcement and prestressing tendons. Management of structures with such degradation requires detailed understanding of their remaining strength ... -
Cascade analysis of a floating wind turbine rotor
(Journal article; Peer reviewed, 2014)Mounting a wind turbine on a floating foundation introduces more complexity to the aerodynamic loading. The floater motion contains a wide range of frequencies. To study some of the basic dynamic load effect on the blades ... -
A case study of offshore wind turbine positioning optimization methodology using a novel multi-stage approach
(Peer reviewed; Journal article, 2022)This investigation maximize the annual energy production (AEP) of a wind farm’s layout at a specific site using a novel multi-stage approach. The downstream wind turbines’ energy production decreases due to the reduced ... -
A Case Study on Topology Optimized Design for Additive Manufacturing
(Journal article; Peer reviewed, 2017-12)Topology optimization is an optimization method that employs mathematical tools to optimize material distribution in a part to be designed. Earlier developments of topology optimization considered conventional manufacturing ... -
Case study on topology optimized design for additive manufacturing
(Peer reviewed; Journal article, 2019-10)Additive Manufacturing (AM), also known as rapid prototyping, rapid manufacturing, layer manufacturing and three-dimensional printing, represents one of the most promising aspects of manufacturing for highly complex ... -
A case study on use of 3D scanning for reverse engineering and quality control
(Peer reviewed; Journal article, 2021-03)Reverse engineering is needed to acquire knowledge of design that is lost, obsolete or withheld. Techniques have evolved from manual measurements, to utilizing the possibilities that lie within 3D scanning technologies. ... -
CFD investigation of blind-tee effects on flow mixing mechanism in subsea pipelines
(Peer reviewed; Journal article, 2022)Blind tees are widely used in subsea pipelines to enhance the mixing conditions of oil and gas products, but their structural design still relies on experience. In this paper, a series of numerical investigations have been ... -
CFD Investigation on Hydrodynamic Resistance of a Novel Subsea Shuttle Tanker
(Peer reviewed; Journal article, 2021-12)The Subsea Shuttle Tanker (SST) was proposed by Equinor as an alternative to subsea pipelines and surface tankers for the transportation of liquid carbon dioxide (CO2) from existing offshore/land facilities to marginal ... -
CFD investigation on scour beneath different configurations of piggyback pipelines under steady current flow
(Peer reviewed; Journal article, 2022)Scour beneath piggyback pipelines laid on a sandy seabed is numerically investigated by solving two-dimensional (2D) Unsteady Reynolds-averaged Navier-Stokes (URANS) equations. The fluid flow and the sediment transport are ... -
CFD investigations of scour beneath a submarine pipeline with the effect of upward seepage
(Peer reviewed; Journal article, 2020-12)A numerical model of scour beneath subsea structures considering the effect of upward seepage in the seabed is proposed. A small seepage can cause significant changes to the hydrodynamic force on the bed surface and stability ... -
CFD simulations of a suspension bridge deck for different deck shapes with railings and vortex mitigating devices
(Peer reviewed; Journal article, 2019)Aerodynamic response of a single-box suspension bridge girder is investigated using CFD simulations. The importance of including railings and vortex mitigating devices such as guide vanes and a spoiler in the simulations ... -
CFD Simulations of the Propagation of Free-Surface Waves Past Two Side-By-Side Fixed Squares with a Narrow Gap
(Peer reviewed; Journal article, 2019)Two-dimensional computational fluid dynamics (CFD) simulations are carried out to investigate the gap resonance phenomenon that occurs when free-surface waves travel past twin squares in tandem. The volume of fluid method ... -
CFD simulations of violent breaking wave impacts on a vertical wall using a two-phase compressible solver
(Peer reviewed; Journal article, 2019)Four different types of breaking wave impacts on a vertical wall are simulated using a two-dimensional two-phase Computational Fluid Dynamic (CFD) model. Air is considered as an isentropic ideal gas without solving an ... -
Challenges and opportunities in tags and tag-related technical information management
(Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-16)The fact that many giant Norwegian oil and gas fields are in decline, and that these fields have reached their tail phase urges Oil and Gas (O&G) companies to focus on maintenance and modification projects to extend the ... -
Challenges and opportunities of marine propulsion with alternative fuels
(Peer reviewed; Journal article, 2021-06)The increasingly stringent shipping emissions regulations and global decarbonisation movement have prompted the adoption of alternative fuels in the shipping industry. This review presents the performance results and ... -
Characterisation of extreme load responses of a 10-MW floating semi-submersible type wind turbine
(Peer reviewed; Journal article, 2023)The global average size of offshore wind turbines has increased steadily from 1.5 MW to 6 MW from 2000 to 2020. With this backdrop, the research community has recently looked at huge 10–15 MW class floating offshore wind ... -
Characterization of acoustic emission signals under 3-point bending test
(Peer reviewed; Journal article, 2021)This paper summarizes a master’s thesis project which explored whether the characteristics of Acoustic Emission Testing (AET) signals can be used to detect yielding in steel samples undergoing a three-point bending test. ... -
Choice of fuel system for the offshore support fleet
(Journal article; Peer reviewed, 2019)The stringent requirements of the IMO's emission regulations call for alternative fuels and new ways of powering ships. However, the IMO predicts that technology which could reduce ship emission to zero, will either not ...