Blar i Fakultet for ingeniørvitenskap (IV) på tittel
Viser treff 10393-10412 av 23229
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A Hybrid Data-Driven Metaheuristic Framework to Optimize Strain of Lattice Structures Proceeded by Additive Manufacturing
(Peer reviewed; Journal article, 2023)This research is centered on optimizing the mechanical properties of additively manufactured (AM) lattice structures via strain optimization by controlling different design and process parameters such as stress, unit cell ... -
A hybrid finite element model for non-isothermal two-phase flow in deformable porous media
(Peer reviewed; Journal article, 2021)This paper presents a numerical method to model the coupled thermo-hydro-mechanical (THM) processes in porous media saturated with two immiscible fluids. The basic equations of the system have been derived based on the ... -
Hybrid Flux Splitting Schemes for Numerical Resolution of Two-Phase Flows
(Doctoral thesis, 2003)This thesis deals with the construction of numerical schemes for approximating solutions to a hyperbolix two-phase flow model. Numerical schemes for hyperbolic models are commonly divided in two main classes: Flux Vector ... -
Hybrid fuel-cell auxiliary system for an aquaculture vessel
(Master thesis, 2018)Emission reduction in shipping and marine operations is important for the future of this planet and its oceans. This thesis looks into the operation of a hybrid fuel-cell power production system on an aquaculture vessel. ... -
A hybrid heuristic optimization of maintenance routing and scheduling for offshore wind farms
(Peer reviewed; Journal article, 2019)As the operation and maintenance (O&M) costs constitute a substantial portion of the overall life-cycle cost of offshore wind farms, routing, and scheduling of maintenance are very important for cost reduction. With the ... -
Hybrid Intelligent Systems in Manufacturing Optimization
(Dr.ingeniøravhandling, 0809-103X; 2002:31, Doctoral thesis, 2002)The main objective of the work reported in this thesis has been to study and develop methodologies that can improve the communication gap between design and manufacturing systems. The emphasis has been on searching for the ... -
A hybrid kinematic controller for resilient obstacle avoidance of autonomous ships
(Peer reviewed; Journal article, 2020)Resilience is an important feature of autonomous systems. To be resilient, a control system must be stable, robust, and safe. This paper explores the use of hybrid feedback controllers to ensure robustness towards uncertainties ... -
Hybrid krill herd-ann model for prediction strength and stiffness of bolted connections
(Peer reviewed; Journal article, 2021)The behavior of beam-to-column connections significantly influences the stability, strength, and stiffness of steel structures. This is particularly important in extreme non-elastic responses, i.e., earthquakes, and sudden ... -
Hybrid life cycle assessment at the neighbourhood scale: The case of Ydalir, Norway
(Peer reviewed; Journal article, 2022)The focus of this study is Ydalir, a neighbourhood in Norway currently in the early planning stages. Ydalir aims to produce its energy locally based on renewable sources, has passive house standards or higher for all its ... -
Hybrid Life Cycle Assessment of Large Scale Hydrogen Production Facilities
(Working Papers from Industrial Ecology Programmme (IndEcol), 1504-3681; 2004:3, Research report, 2004)An environmental assessment of three designs for a large-scale hydrogen production facility is performed using a Hybrid Life Cycle Assesment approach. The operational adaption of the hybrid framework for this case is shown ... -
Hybrid life cycle assessment of steel production with carbon capture and storage
(Master thesis, 2013)Among several Green house gases, CO2 is a main contributor and accounts for about 60% of the greenhouse effect because of its huge emission amount. The iron and steel sector has showed one of the largest energy intensity ... -
Hybrid Life Cycle Assessment of Wood-based Biofuel Production and Consumption Scenarios in Norway
(Master thesis, 2008)An increasingly urgent need to develop alternatives to fossil fuels in road trans- portation stems from both the need to combat climate change and the need to prepare for a transition beyond peak oil. Biofuels can be part ... -
A hybrid machine learning approach for the load prediction in the sustainable transition of district heating networks
(Peer reviewed; Journal article, 2023)Current district heating networks are undergoing a sustainable transition towards the 4th and 5th generation of district heating networks, characterized by the integration of different types of renewable energy sources ... -
Hybrid marine power plants model validation with strategic loading
(Journal article, 2016)Recent advances in Energy Storage Devices (ESD) technology has enabled new supervisory control strategies for power generation and distribution on hybrid marine power plants, supported by new class society regulations. A ... -
Hybrid Metal Extrusion & Bonding (HYB) - a new technology for solid-state additive manufacturing of aluminium components
(Journal article; Peer reviewed, 2018)This paper demonstrates a concept for a new additive manufacturing process for aluminium alloys, based on the Hybrid Metal Extrusion & Bonding (HYB) technology, along with the potential for further development of the ... -
A Hybrid Method to Incrementally Extract Road Networks Using Spatio-Temporal Trajectory Data
(Peer reviewed; Journal article, 2020)With the rapid development of urban traffic, accurate and up-to-date road maps are in crucial demand for daily human life and urban traffic control. Recently, with the emergence of crowdsourced mapping, a surge in academic ... -
A Hybrid Methodology of Rock Support Design for Poor Ground Conditions in Hard Rock Tunnelling
(Peer reviewed; Journal article, 2023)The design of rock support in hard rock tunnelling is often assisted by the use of empirical engineering rock mass classification systems. This has involved support design in a wide variety of geological- and rock ... -
Hybrid model testing of deep-water moored structures by active control of simulated line forces.
(Master thesis, 2010)Increased activity in deeper water areas, in connection with oil and gas exploration, has resulted in a steadily increased demand for model testing technology to predict reliable behavior of floating offshore structures ... -
Hybrid modeling of strategic loading of a marine hybrid power plant with experimental validation
(Journal article; Peer reviewed, 2016)Recent developments in marine power systems, energy storage devices (ESDs) technology, and modification to rules and regulations increase the opportunities to improve efficiency and reduce emissions. One particular application ... -
Hybrid Modelling for Dynamic Reliability Assessments in Subsea Oil and Gas Processing Systems
(Master thesis, 2017)Traditional reliability methods such as fault tree analysis and reliability block diagrams were not designed to account for the complex dynamic behavior of most industrial systems. These traditional reliability methods ...