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Gradient-based Methods for Production Optimization of Oil Reservoirs
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:104, Doctoral thesis, 2012)Production optimization for water flooding in the secondary phase of oil recovery is the main topic in this thesis. The emphasis has been on numerical optimization algorithms, tested on case examples using simple hypothetical ... -
Gradient-Based Optimization in Shape Analysis for Reparametrization of Parametric Curves and Surfaces
(Master thesis, 2021)I denne oppgaven studerer vi to gradientbaserte optimeringsalgoritmer i formanalyse, for reparametrisering av parametriske kurver og overflater. Den ene algoritmen er en tidligere kjent “gradient descent”-algoritme på ... -
Gradient-based Optimization of Jacket Support Structure for Offshore Wind Turbines with the Local Approach
(Master thesis, 2017)The objective of this thesis is the development of a gradient based optimization framework for the local optimization of structural members of an offshore wind turbine with jacket support structure and the implementation ... -
Gradient-based Production Optimization with Economic Constraints
(Chapter, 2016)This work develops an analytical framework to study the effects of enforcing simulator-based constraints while performing gradient-based production optimization. In particular, this work studies how the enforcement of this ... -
Gradient-based production optimization with simulation-based economic constraints
(Journal article; Peer reviewed, 2017)In reservoir management, production optimization is performed using gradient-based algorithms that commonly rely on an adjoint formulation to efficiently compute control gradients. Often, however, economic constraints are ... -
Gradient-Descent Adaptive Filtering Using Gradient Adaptive Step-Size
(Journal article; Peer reviewed, 2022)At the heart of most adaptive filtering techniques lies an iterative statistical optimisation process. These techniques typically depend on adaptation gains, which are scalar parameters that must reside within a region ... -
Gradients, Species Richness and Communities in Eastern Finnish Sloping Fens
(Journal article; Peer reviewed, 2021)In Scandinavia, three gradients (poor–rich, water table, margin–expanse) are considered in vegetation classification of mires. We re-analysed the data of Paavo Havas from 1961 on sloping fens in eastern Finland using NMDS ... -
The Gradual Normalization of Behaviors Which Might Challenge Ethical and Professional Standards in Two British Elite Sports Organizations
(Peer reviewed; Journal article, 2021)We examined how two elite British sports organizations began accepting behaviors that might challenge ethical and professional standards. The data for the current paper came from two separate ethnographic studies. We used ... -
Gradual Reduction in Sodium Content in Cooked Ham, with Corresponding Change in Sensorial Properties Measured by Sensory Evaluation and a Multimodal Machine Vision System
(Journal article; Peer reviewed, 2015)The European diet today generally contains too much sodium (Na+). A partial substitution of NaCl by KCl has shown to be a promising method for reducing sodium content. The aim of this work was to investigate the sensorial ... -
GRADUATE EMPLOYABILITY SKILLS DEVELOPMENT THROUGH REFLECTION AND SELF-ASSESSMENT USING A MOBILE APP
(Chapter, 2022)As university students' journey through their studies, their minds are fixed on a common end goal, that of graduating with flying colours and landing their dream job. They aim for achieving the top grades and focus on their ... -
Graduates of venture creation programs – where do they apply their entrepreneurial competencies?
(Peer reviewed; Journal article, 2022)The assessment of entrepreneurship education outcomes should move beyond a focus on firm creation and associated economic impact to consider a more nuanced view that pays attention to graduates and their entrepreneurial ... -
Grafisk notasjon. Hva er grafisk notasjon og i hvilken grad er grafisk notasjon relevant for moderne kunstmusikk?
(Bachelor thesis, 2023)Bruken av grafiske notasjonsformer i vestlig kunstmusikk hadde sin oppblomstring i løpet av den andre halvdelen av det 20. århundre. Gjennom innovative komponister som John Cage, Karlheinz Stockhausen, og Earle Brown ble ... -
Grafisk profil for Norsk Ynglingklubb
(Bachelor thesis, 2002)Hovedprosjektet har hatt følgende problemstilling: Gi Norsk Ynglingklubb en ny grafisk profil. Dette vil innbære ny logo, informasjonsbrosjyre for NYK, forslag til nytt tittelhode og design for medlemsbladet Styrbord ... -
Grafiske analysemetoder for ikke-geometriske design
(Master thesis, 2008)Den grafiske analyseringen av tonivåforsøk har lenge begrenset seg til Lenth's metode, normalplott og halvnormalplott. Disse plotta baserer seg på at de estimerte kontrastene enten representerer aktive effekter eller støy. ... -
Graft fixation influences revision risk after ACL reconstruction with hamstring tendon autografts : A study of 38,666 patients from the Scandinavian knee ligament registries 2004–2011
(Journal article; Peer reviewed, 2017)Background and purpose — A large number of fixation methods of hamstring tendon autograft (HT) are available for anterior cruciate ligament reconstruction (ACLR). Some studies report an association between fixation method ... -
Grain boundary effect on lifetime in high performance multicrystalline silicon during solar cell processing
(Journal article; Peer reviewed, 2016)High performance multicrystalline silicon wafers used in solar cell processing have been investigated with focus on quantification of the grain boundary effect on lifetime. The lifetime of a set of 16 wafers from different ... -
Grain boundary segregation in Pd-Cu-Ag alloys for high permeability hydrogen separation membranes
(Journal article; Peer reviewed, 2018)Dense metal membranes that are based on palladium (Pd) are promising for hydrogen separation and production due to their high selectivity and permeability. Optimization of alloy composition has normally focused on bulk ... -
Grain boundary structures and their correlation with intergranular corrosion in an extruded Al-Mg-Si-Cu alloy
(Peer reviewed; Journal article, 2020)A detailed analysis of grain boundaries in a highly textured Al-Mg-Si-Cu alloy is presented in this work. Electron backscatter diffraction demonstrates the presence of three main categories of grain boundaries in addition ... -
Grain refinement in Ti6Al4V by means of boron additions
(Master thesis, 2009) -
Grain refinement of aluminium welds by Ti, TiB2, and TiC filler wire inoculation
(Peer reviewed; Journal article, 2023)A fine-grained fusion zone characterises a tough aluminium weld. To improve the solidification characteristics and refine the grains in aluminium welding, different inoculation particle combinations were introduced to the ...