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Numerical methods for coupled processes in fractured porous media
(Doctoral thesis, 2019-11-15)Numerical simulations have become essential in the planning and execution of operations in the subsurface, whether this is geothermal energy production or storage, carbon sequestration, petroleum production, or wastewater ... -
Numerical Methods for Flow in a Porous Media with Internal Boundaries
(Department of Applied Mathematics report, Research report, 1997-02) -
Numerical methods for modeling geothermal energy extraction
(Master thesis, 2009-11-20)Modeling of flow in porous media is an important scientific research area, and has been so for decades. It is also one of the major topics within applied mathematics. Models for flow in porous media are for example important ... -
Numerical methods for the simulation of continous sedimentation in ideal clarifier-thickener units.
(Department of Applied Mathematics report, Research report, 2001-10) -
Numerical modeling of shear stimulation in naturally fractured geothermal reservoirs
(Doctoral thesis, 2018-03-22)Shear-dilation-based hydraulic stimulations are conducted to create enhanced geothermal systems (EGS) from low permeable geothermal reservoirs, which are initially not amenable to energy production. Reservoir stimulations ... -
Numerical modeling of wing crack propagation accounting for fracture contact mechanics
(Journal article; Peer reviewed, 2020)As a consequence of shearing, wing cracks can emerge from pre-existing fractures. The process involves the interaction of sliding of the existing fracture surfaces and the tensile material failure that creates wing cracks. ... -
Numerical Modelling of Convection‑Driven Cooling, Deformation and Fracturing of Thermo‑Poroelastic Media
(Journal article; Peer reviewed, 2021)Convection-driven cooling in porous media influences thermo-poro-mechanical stresses, thereby causing deformation. These processes are strongly influenced by the presence of fractures, which dominate flow and heat transfer. ... -
Numerical Modelling of Microbial Enhanced Oil Recovery with Focus on Dynamic Effects: An Iterative Approach
(Master thesis, 2015-06-27)Recovering more of the available oil has been a main driver behind the extensive work done in the field of enhanced oil recovery (EOR) over the last decades. Microbial en- hanced oil recovery (MEOR) has been heavily ... -
Numerical modelling of organic waste dispersion from fjord located fish farms
(Peer reviewed; Journal article, 2011-04-21)In this study, a three-dimensional particle tracking model coupled to a terrain following ocean model is used to investigate the dispersion and the deposition of fish farm particulate matter (uneaten food and fish faeces) ... -
Numerical simulation of the nonlinear coupled jaulent-miodek equation by elzaki transform-adomian polynomial method
(Journal article; Peer reviewed, 2020)The Elzaki transform which is an integral transform used to obtain solutions of linear differential equations is coupled with Adomian polynomial to solve nonlinear coupled Jaulent-Miodek (JM) equation. The Adomian polynomial ... -
Numerical Simulation Studies of the Long-term Evolution of a CO2 Plume in a Saline Aquifer with a Sloping Caprock
(Peer reviewed; Journal article, 2011-02-02)We have used the TOUGH2-MP/ECO2N code to perform numerical simulation studies of the long-term behavior of CO2 stored in an aquifer with a sloping caprock. This problem is of great practical interest, and is very challenging ... -
Numerical solution of drift-diffusion and electrostatic potential equations for solar cells.
(Master thesis, 2018-06-22)This thesis gives an introduction to how solar panels work and some of the problems for solar cells that need to be solved. Further, it gives an introduction to some physical equations that describe the electrical behavior ... -
Numerical Solution of Reservoir Flow Models based on large Time Step Operator splitting Algorithms
(Department of Applied Mathematics report, Research report, 1999-01) -
Numerical Solution of the Buckley-Leverett Equation with a General Fractional Flow Function
(Department of Applied Mathematics report, Research report, 1984-11) -
Numerical Solution of the Polymer System by Front Tracking
(Department of Applied Mathematics report, Research report, 1999-05) -
Numerical solution of the the time-dependent Schrödinger equation.
(Master thesis, 2018-06-22)On the atomic scale the time-dependent Schrödinger equation is used but for systems with three or more particles like the helium atom it is not possible to solve the Schrödinger equation exactly. The motivation here is to ... -
Numerical solutions of two-phase flow with applications to CO2 sequestration and polymer flooding
(Doctoral thesis, 2014-12-19)This thesis addresses challenges related to mathematical and numerical modeling of flow in porous media. To address these challenges, two applications are considered: firstly, counter-current two-phase flow in a heterogeneous ... -
Numerical studies of rotationally controlled lock exchange flow over a sill
(Master thesis, 2018-06-21)Numerical experiments of lab scale on dense water inflow in a channel initially filled with freshwater, where a sill is present. The focus has been on the dynamics at the top of the sill, and especially on the behavior of ... -
Numerical studies of the current response at Ormen Lange to a travelling storm.
(Department of Applied Mathematics report, Research report, 2001-12) -
A numerical study of algebraic space curves.
(Department of Pure Mathematics report no. 19, Research report, 1981-12)