Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Nye registreringer
Viser treff 301-320 av 1741
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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 ... -
Comparison of unidirectional and bidirectional airfoils in a tidal stream turbine
(Peer reviewed; Journal article, 2022)Tidal stream turbines offer an attractive method for stable renewable energy generation. Due to the periodicity of the tidal stream, a tidal stream turbine can be designed to operate in a bidirectional manner, thereby ... -
Using the Kriging Response Surface Method for the Estimation of Failure Values of Carbon-Fibre-Epoxy Subsea Composite Flowlines under the Influence of Stochastic Processes
(Peer reviewed; Journal article, 2022)This paper investigates the use of the Kriging response surface method to estimate failure values in carbon-fibre-epoxy composite flow-lines under the influence of stochastic processes. A case study of a 125 mm flow-line ... -
Sustainable industry and supply chain - what to teach
(Peer reviewed; Journal article, 2022)How to teach students about development and sustainable operation of companies and supply chain are a complex task with several partly conflicting issues. Entrepreneurship business models are more different than sustainable ... -
Recent Norwegian Research Relevant to Evacuation, Search and Rescue under Arctic Condition
(Peer reviewed; Journal article, 2022)Marine traffic is increasing in the Arctic Region. As ice in the Arctic Region retracts, opportunities for the marine industry increase. This relates to the fishing industry, which is moving further into the Arctic Seas, ... -
Arctic supply chain reliability in Baffin Bay and Greenland
(Peer reviewed; Journal article, 2022)Despite the obvious economic advantages of utilising supply chains across the northern routes, there are significant challenges to their reliability. Every year an increasing number of ships venture into the region to ... -
Linear quadratic regulator optimal control of two-rotor wind turbine mounted on spar-type floating platform
(Peer reviewed; Journal article, 2022)Interest is steadily growing for multi-rotor wind turbine concepts. This type of wind turbine offers a practical solution for scaling issues of large wind turbine components and for the reduction of costs associated with ... -
Nonlinear fatigue life prediction model based on the theory of the S-N fatigue damage envelope
(Peer reviewed; Journal article, 2022)A nonlinear model is proposed in light of the theory of isodamage curves, to assess the cumulative fatigue damage under multistage loading. The isodamage curves were developed through the theory of the S-N fatigue damage ... -
Computational investigation of the aerodynamic performance of reversible airfoils for a bidirectional tidal turbine
(Peer reviewed; Journal article, 2021)A reversible airfoil is an airfoil that has equal performance when the flow is reversed. Such airfoils are relevant for many different applications, including use in ventilation fans, helicopter rotors, wind turbines and ... -
Fatigue Strength Curve for Tubular Joints of Offshore Structures under Dynamic Loading
(Journal article, 2021)Abstract Offshore structures are subjected to dynamic environmental loads (wave and wind loads). A stress-life fatigue strength curve is proposed for tubular joints which are in the splash zone area of offshore jacket ... -
Application of generative design for structural optimization at the conceptual design phase
(Peer reviewed; Journal article, 2021)Optimization of structural components leads to higher performing designs, by reducing unnecessary cost and increasing the efficient use of material. The structural optimization process is a rigorous iterative time-consuming ... -
Research of the influence of marine residual fuel composition on sedimentation due to incompatibility
(Peer reviewed; Journal article, 2021)The article shows studies of the problem of active sediment formation during mixing of residual fuels, caused by the manifestation of incompatibility. To preserve the quality and reduce sediment formation during transshipment, ... -
Lateral torsional buckling capacity of corroded steel beams: A parametric study
(Peer reviewed; Journal article, 2021)Thickness reduction due to uniform corrosion increases the tendency of lateral torsional buckling (LTB) of open cross-sections and it reduces the moment capacity of the beam. The effect of the various corrosion cases on ... -
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 ... -
Combining Computational Fluid Dynamics and Gradient Boosting Regressor for Predicting Force Distribution on Horizontal Axis Wind Turbin
(Journal article, 2021)The blades of the horizontal axis wind turbine (HAWT) are generally subjected to significant forces resulting from the flow field around the blade. These forces are the main contributor of the flow-induced vibrations that ... -
Mechanical properties and microstructure of 17-4 Ph stainless steel made by Jet binder additive manufacturing
(Bachelor thesis, 2023)Additive manufacturing is a field seeing constant innovation. This thesis looks at the mechanical properties and microstructure of a Binder Jet Printing (BJP) technology using the stainless steel alloy 17-4 PH. 17-4 PH is ... -
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 ... -
Response analysis of an offshore fish farm under combined waves and current.
(Master thesis, 2022)Global increasing demand for aquatic foods, limitations of sheltered water locations, and ecological concerns have led a movement towards expanding marine finfish aquaculture to exposed waters in the open ocean. Despite ... -
Exploratory Data Analysis of the N-CMAPSS Dataset for Prognostics
(Peer reviewed; Journal article, 2021)In the recent years, industries such as aeronautical, railway, and petroleum has transitioned from corrective/preventive maintenance to condition based maintenance (CBM). One of the enablers of CBM is Prognostics which ... -
A deterministic algorithm for nonlinear, fatigue-based structural health monitoring
(Peer reviewed; Journal article, 2021-10)The irregularity of peak and valley stress values of loading histories is the main impediment for accurate fatigue-based structural health monitoring. Since the available fatigue material data (e.g., S-N curves) have been ...