Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Recent submissions
Now showing items 61-80 of 1741
-
An image processing approach to reconstruct wind using long-range wind lidars
(Peer reviewed; Journal article, 2023)Lidar-based wind sensing technology, originally used in the wind energy sector, is now being utilized in wind engineering to monitor wind action for designing fjord-crossing infrastructure like long-span bridges. Accurate ... -
Large eddy simulations of flow past an inclined circular cylinder: Insights into the three-dimensional effect
(Peer reviewed; Journal article, 2023)The flow past an inclined cylinder is simulated using large eddy simulations to study the three-dimensional wake flow effects on the forces on the cylinder at Re = 3900. Four inclination angles of α = 0°, 30°, 45°, and 60° ... -
The influences of international standards on structural performance and fracture behavior of 3D printed long fiber composite structures
(Peer reviewed; Journal article, 2023)The material properties of the additive manufactured composite structures are usually done following international standards, that show some difference dimensionally. This study focuses on the impact-induced on the tensile ... -
Statistical Modeling and Applications of Joint Distributions for Significant Wave Height, Spectral Peak Period, and Peak Direction of Propagation: A Case Study in the Norwegian Sea
(Peer reviewed; Journal article, 2023)The estimation of long-term extreme response is a crucial task in the design of marine structures. The target extreme responses are typically defined by annual exceedance probabilities of 10-2 and 10-4. Various approaches ... -
Metocean conditions at two Norwegian sites for development of offshore wind farms
(Peer reviewed; Journal article, 2024)This paper examines metocean data from NORA3, a state-of-the-art wind and wave hindcast dataset for Northern Europe. Two offshore Norwegian areas, Utsira Nord (UN) and Sørlige Nordsjø II (SN2), are investigated. Both areas ... -
Transitioning towards renewable energy and sustainable storage solutions at remote communities in the Arctic, Case study of Flatey, Iceland
(Peer reviewed; Journal article, 2023)The need for transitioning towards renwable energy and sustainable storage solutions is particularly challenging for remote communities in the Arctic, located far away from the electricity grid. This paper explores the ... -
Additive manufacturing best practices and its impact on supply chain performance through structural equation modelling: A case study in Ethiopian footwear industry
(Peer reviewed; Journal article, 2023)The aim of this study is to analyze the effects of additive manufacturing (AM) best practices on supply chain (SC) performance. The study developed conceptual framework with four AM best practice as independent variables ... -
Dynamic Analysis of Floating Dock Operations with Corrosion-induced Holes at Ballast Tanks
(Master thesis, 2023)The corrosion at the ballast tanks is a concern risk for floating docks that have been in service for several decades. Corrosion events can result in severe accidents and huge economic costs. To migrate the corrosion risk, ... -
Process parameter modelling and optimization techniques applied to fused deposition modelling: A review
(Peer reviewed; Journal article, 2023)Manufacturing is the foundation of any industrialized country and involves making products from raw materials using various processes. Additive manufacturing (AM) was originally created as a method for swift prototyping, ... -
Assessment of awareness levels towards additive manufacturing best practices in transforming traditional manufacturing: A case study in Ethiopian context
(Peer reviewed; Journal article, 2023)The main objective of this study is to assess the awarness levels of acadamic staffs and industry experts towards the best practices of additive manufacturing (AM) in transforming traditional manufacturing (TM) in local ... -
Improved delayed detached eddy simulations of flow past an autonomous underwater helicopter
(Peer reviewed; Journal article, 2023)To achieve good control of an autonomous underwater helicopter (AUH), it is of great significance to study its hydrodynamic quantities. In the present study, hydrodynamic analysis of a disk-shaped AUH is carried out by ... -
Experimental study on parametric configurations of artificially downwelling aerations in stratified water
(Peer reviewed; Journal article, 2023)Downwelling aeration has become a widely applied approach to cope with the water eutrophication in stratified reservoirs, rivers and lakes. The aeration parameters involving flow rate, flow locations and working periodicity ... -
Short-Crested Wave–Current Forces on a Concentric System with an ARC Exterior Porous Wall
(Peer reviewed; Journal article, 2023-03)In this study, the potential flow theory is adopted to develop an analytical solution to the diffraction problem of a short-crested wave–current incident on a concentric system consisted of an arc exterior wall and interior ... -
Dealing with abnormalities and deviations to enhance resilience in engineering Assets: A critical review from human factors and decision-making perspectives under complex operational contexts
(Peer reviewed; Journal article, 2023)With the growing scale of industrial demands, complexities, and uncertainties around asset engineering and operations due to advanced technology utilization, digitalization, sustainability, new operating models, etc., the ... -
Non-linear buckling analysis of ship hull stiffened panels
(Peer reviewed; Journal article, 2023)Stiffened panels are crucial in maritime applications, where buckling is a primary structural failure concern. Typically, assessing the buckling capacity of these panels relies on established guidelines like DNV-RP-C201 ... -
Systems dynamic model of wear evolution for sheaves used in oil and gas hoisting operations
(Peer reviewed; Journal article, 2023)The global offshore drilling contracted fleet consisted of 378 jack-ups, 68 semisubmersibles and 73 drillships, according to Westwood Global Energy Group, as of September 2023. In most regions of the world, rig activity ... -
Bio-inspired design trends for sustainable energy structures
(Peer reviewed; Journal article, 2023)Researchers and engineers are constantly looking to nature for design inspiration as they work to create novel and effective energy conversion structures. Engineers are developing durable and resilient materials to survive ... -
Comparative analysis of artificial neural network model and analysis of variance for predicting defect formation in plastic injection moulding processes
(Peer reviewed; Journal article, 2023)This study investigates the impact of plastic injection moulding process parameters on overflow defect formation. Experiments were conducted using a Taguchi L27 orthogonal array design. Multilayer Perceptron (MLP) artificial ... -
Statistical evaluation of tubular joint SCFs from test data and finite element analyses
(Peer reviewed; Journal article, 2023)Stress concentration factors (SCF) derived from both FEA and measurements from laboratory experiments are associated with uncertainties. To understand these uncertainties, SCF values can be determined from a series of tests ... -
Two-body dynamic simulations of a combined semi-submersible floating offshore wind turbine and torus wave energy converter
(Peer reviewed; Journal article, 2023)Dynamic responses of a combined wind and wave energy system which consist of a 5MW semi-submersible floating offshore wind turbine (FOWT) and a torus-shaped wave energy converter (WEC) are investigated. In the investigated ...