Browsing Universitetet i Stavanger by Title
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Prediction of Fatigue Crack Initiation under Variable Amplitude Loading: Literature Review
(Peer reviewed; Journal article, 2023)Metallic materials are widely employed in engineering constructions, and one of the most common failure mechanisms in metals is fatigue failure. Even though metal fatigue has been studied for almost 160 years, many problems ... -
Prediction of long-term extreme response of two-rotor floating wind turbine concept using the modified environmental contour method
(Peer reviewed; Journal article, 2022)The modified environmental contour method (MECM) is assessed for the prediction of 50-year extreme response of a two-rotor floating wind turbine concept (2WT) deployed in two offshore sites in the northern North Sea (Norway ... -
Prediction of mechanical friction forces on casing being run
(Bachelor thesis, 2023)In recent years, advancements in drilling technology have led to increasingly complex wellbore trajectories, particularly in the case of horizontal wells and extended reach wells (ERWs). This complexity necessitates highly ... -
Prediction of Oil Recovery Factor in Stratified Reservoirs after Immiscible Water-Alternating-Gas Injection based on PSO-, GSA-, GWO-, and GA-LSSVM
(Peer reviewed; Journal article, 2022-01)In this study, we solve the challenge of predicting oil recovery factor (RF) in layered heterogeneous reservoirs after 1.5 pore volumes of water-, gas- or water-alternating-gas (WAG) injection. A dataset of ~2500 reservoir ... -
Prediction of Oil Recovery Factor in Stratified Reservoirs after Immiscible Water-Alternating-Gas Injection based on PSO-, GSA-, GWO-, and GA-LSSVM
(Peer reviewed; Journal article, 2022)In this study, we solve the challenge of predicting oil recovery factor (RF) in layered heterogeneous reservoirs after 1.5 pore volumes of water-, gas- or water-alternating-gas (WAG) injection. A dataset of ~2500 reservoir ... -
Prediction of Optimal Production Time during Underground CH4 Storage with Cushion CO2 Using Reservoir Simulations and Artificial Neural Networks
(Peer reviewed; Journal article, 2023)Injection of carbon dioxide (CO2) in aquifers for underground natural gas storage (UNGS) can improve the operating efficiency of the storage facility during gas injection and production and later serve as a solution for ... -
Prediction of permeability of tight sandstones from mercury injection capillary pressure tests assisted by a machine-learning approach
(Peer reviewed; Journal article, 2022) -
Prediction of Psychosis in Parkinson’s Patients using Machine Learning
(Masteroppgave/UIS-TN-IDE/2020;, Master thesis, 2020)Parkinson’s disease is one of the most common neurological disorders with an estimated 6.3 million PD patients worldwide, which makes it a great threat to public health. Psychosis is a common symptom of Parkinson’s disease ... -
Prediction of response and damaged length of a subsea pipeline after a full bore rupture
(Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)The combination of oil and gas reservoirs in sea areas with high shipping traffic brings some challenges for engineers. One of these challenges is related to subsea pipeline systems specially where water depth is classified ... -
Prediction of short-term wind and wave conditions for marine operations using a multi-step-ahead decomposition-ANFIS model and quantification of its uncertainty
(Journal article; Peer reviewed, 2019-09)Short-term predictions of wind and wave properties with a duration of 1–3 days are vital for decision-making during the execution of marine operations. One-step-ahead weather conditions can be accurately predicted via ... -
Prediction of springback in the air V-bending of metallic sheets
(Peer reviewed; Journal article, 2019)Springback is a critical phenomenon in design and analysis of sheet metal forming process of metallic sheets. An accurate prediction of elastic recovery of material allows to design forming tools which take into account ... -
Prediction of Stress Correction Factor for Welded Joints Using Response Surface Models
(Chapter, 2021)While performing fatigue reliability analysis of the butt-welded joints it is vital to estimate the Stress Concentration Factor (SCF) at these joints. A common approach adopted by industry to estimate the SCF at weld toes ... -
Prediction of tensile strength in fused deposition modeling process using artificial neural network and fuzzy logic
(Peer reviewed; Journal article, 2022)Fused deposition modeling is a modern rapid prototyping technique that is used for swiftly replicating concept modeling, physical modeling, and end-of-line manufacture. Precision parameter selection is crucial for generating ... -
Prediction of the Entrepreneurial Intentions and Examination of the Role of Entrepreneurial Education Among Tourism and Business Students at the University of Stavanger.
(Masteroppgave/UIS-SV-NHS/2018;, Master thesis, 2018-06-14)The current study has been conducted with two main purposes. The first purpose of this study was to understand the entrepreneurial intentions among the students of tourism and business study program at the University ... -
Prediction, interpolation and extrapolation of drilling data with Deep Learning
(Doctoral thesis, 2022-11)Directional drilling is an established technology within the petroleum industry. In this traditionally conservative and risk averse environment application of artificial intelligence encounters difficulties at various ... -
Predictions in conversation
(Chapter, 2021-12)In everyday interactions, natural conversations are often effortless and managing them seems to be easy. However, a closer look at the timing pattern of conversations implies a complex cognitive architecture underlying ... -
Predictive accuracy of data-driven solutions to the transient response of the drilling system
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-15)One of the utmost desires of the drilling industry is full drilling automation to minimize well construction cost, optimize well performance and many other advantages. Dynamical system modeling and control of complex systems ... -
Predictive Analytics for Maintaining Power System Stability in Smart Energy Communities
(PhD thesis UiS;, Doctoral thesis, 2021-05)Digitalization and decentralization of energy supply have introduced several challenges to emerging power grids known as smart grids. One of the significant challenges, on the demand side, is preserving the stability of the ... -
Predictive Dynamic Models of the Upper Jurassic Ula Fm Aquifer Between the Ula and Oda Fields, Norwegian Central Graben, North Sea
(Masteroppgave/UIS-TN-IER/2020;, Master thesis, 2020-07-15)The Ula and Oda oil fields in the southern part of the Norwegian Central Graben have high quality Upper Jurassic sandstone reservoirs from the shallow marine Ula Fm. Pressure data from the Oda field indicates communication ... -
Predictive maintenance (PdM) analysis matrix: A tool to determine technical specifications for PdM ready-equipment
(Peer reviewed; Journal article, 2019)Predictive maintenance (PdM) and operations optimisation are expected to generate the highest industrial and societal impact within the oil and gas industry. Such an optimistic expectation requires several changes in asset ...