Viser treff 325-344 av 672

• #### Modeling of heat transfer in porous media in the context of geothermal energy extraction ﻿

(Doctoral thesis, 2015-10-02)
This dissertation concerns mathematical modeling related to heat transfer in the subsurface relevant for geothermal energy extraction. Two applications are considered: First, natural convection in a homogeneous porous ...
• #### Modeling of Multi Phase Flow in Porous Media: Operator Splitting, Front Tracking, Interfacial Area and Network Models ﻿

(Doctoral thesis, 2001-12-20)
In this work several new numerical methods and a new mathematical model related to multi phase flow in oil reservoirs have been developed, implemented and tested. The numerical difficulties in multi phase flow stem from ...
• #### Modeling of oil reservoirs with focus on microbial induced effects ﻿

(Master thesis, 2014-11-01)
As an abstract to this thesis, we review some literatures in EOR and discussed the processes, strength and weakness of Microbial Enhanced Oil Recovery techniques. A two phase flow model comprising water and oil via the ...
• #### Modellering av Antropogenisk Allee Effekt (AAE) ﻿

(Master thesis, 2017-11-13)
• #### Modellering og estimering av romlig avhengighet i forsikring ﻿

(Master thesis, 2015-06-01)
De seneste årene har det blitt publisert flere studier hvor bayesianske hierarkiske modeller, med gitte spatiale avhengighetsstrukturer, blir foreslått som potensielle verktøy i forsikringsselskapers arbeid rettet mot ...
• #### Modelling and simulation of thermo-hydro-mechanical processes in fractured porous media ﻿

(Doctoral thesis, 2021-02-26)
Understanding and predicting processes in fractured porous media is of wide interest, with applications such as geothermal energy extraction, water management and storage of CO$_2$ and energy. Characterisation and monitoring ...
• #### Modelling Fluid Flow and Heat Transport in Fractured Porous Media ﻿

(Master thesis, 2013-08-27)
Flow in porous media is an important and well- researched topic in both academia and the industry. More accurate mathematical models are constantly sought after. Fractures in a porous medium can be an important contributor ...
• #### Modelling Geomechanical Impact of CO2 Injection Using Precomputed Response Functions ﻿

(Conference object; Peer reviewed, 2016)
When injecting CO2 or other fluids into a geological formation, pressure plays an important role both as a driver of flow and as a risk factor for mechanical integrity. The full effect of geomechanics on aquifer flow can ...
• #### Modelling memory decay after injuries using household survey data from Khartoum State, Sudan ﻿

(Peer reviewed; Journal article, 2018-06-20)
Background Injuries represent an important cause of morbidity and mortality worldwide. In retrospective epidemiological studies, estimated rates of reported injuries often decline considerably when information is included ...
• #### Modelling memory decay after injuries using household survey data from Khartoum State, Sudan ﻿

(Peer reviewed; Journal article, 2018-06-20)
Background: Injuries represent an important cause of morbidity and mortality worldwide. In retrospective epidemiological studies, estimated rates of reported injuries often decline considerably when information is included ...
• #### Modelling of the Shear Dilation Based Hydraulic Stimulation in Enhanced Geothermal Systems Considering Fractures in Different Scales ﻿

(Conference object; Peer reviewed, 2016-09)
A numerical approach for modelling of shear dilation of existing fractures in hydraulic stimulation of geothermal reservoirs at low elevated pressures is presented. The fractured rock in the reservoir is modelled as a ...
• #### Modelling of Three-Phase Flow Functions for Applications in Enhanced Oil Recovery ﻿

(Doctoral thesis, 2009-05-22)
• #### Modelling the non-Hydrostatic Pressure in σ-coordinate Ocean Models ﻿

(Master thesis, 2006-09-22)
• #### Models for CO2 injection with coupled thermal processes ﻿

(Peer reviewed; Journal article, 2014)
Large-scale models of carbon dioxide (CO2) storage in geological formations must capture the relevant physical, chemical and thermodynamic processes that affect the migration and ultimate fate of injected CO2. These processes ...
• #### Modified action and differential operators on the 3-D sub-Riemannian sphere ﻿

(Peer reviewed; Journal article, 2010-12)
Our main aim is to present a geometrically meaningful formula for the fundamental solutions to a second order sub-elliptic differential equation and to the heat equation associated with a sub-elliptic operator in the ...
• #### Moduli of curves on Enriques surfaces ﻿

(Journal article; Peer reviewed, 2020)
We compute the number of moduli of all irreducible components of the moduli space of smooth curves on Enriques surfaces. In most cases, the moduli maps to the moduli space of Prym curves are generically injective or dominant. ...
• #### Modulus method and its application to the theory of univalent functions ﻿

(Master thesis, 2011-05-23)
This work is about the modulus method in univalent function theory. It is based on the notion of modulus of families of curves on Riemann surface and is turned out to be very useful in solving various extremal problems in ...
• #### Monolithic and splitting solution schemes for fully coupled quasi-static thermo-poroelasticity with nonlinear convective transport ﻿

(Journal article; Peer reviewed, 2020)
This paper concerns monolithic and splitting-based iterative procedures for the coupled nonlinear thermo-poroelasticity model problem. The thermo-poroelastic model problem we consider is formulated as a three-field system ...
• #### Monotone Difference Approximation of BV Solutions to Degenerate Convection-Diffusion Equations ﻿

(Department of Applied Mathematics report, Research report, 1998-03)
• #### Monotonicity Conditions for Discretization of Parabolic Conservation Laws ﻿

(Master thesis, 2009-06-02)
In the recent years monotonicity of control volume methods for elliptic equations has been studied. A discrete maximum principle is established in Keilegavlen et al. [18], and a set of monotonicity conditions on general ...