Now showing items 1-10 of 406
Modulus method and its application to the theory of univalent functions
(The University of Bergen, 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 ...
The Stability and Instability of Solitary Waves
(The University of Bergen, 2010-04-23)
Auxiliary variables for 3D multiscale simulations in heterogeneous porous media
The multiscale control-volume methods for solving problems involving flow in porous media have gained much interest during the last decade. Recasting these methods in an algebraic framework allows one to consider them as ...
Image processing, filtering and segmentation of data-sets for reservoir simulation
(The University of Bergen, 2013-10-11)
Paper A: 2-D Visualisation of Unstable Waterflood and Polymer Flood for Displacement of Heavy Oil. Full-text not available in BORA. The published version is available at: http://dx.doi.org/10.2118/154292-ms
Energieffektivitet i grunne geotermiske systemer. Modellering og analyse av systemet på Ljan skole.
(The University of Bergen, 2013-06-17)
Grunnvarme er en stadig viktigere og mer anvendt energikilde i en verden med et økende energibehov, og det er i den forbindelse viktig å utforme systemer som kan utnytte energien på en effektiv måte. Denne oppgaven tar for ...
Analysis of multi-beam sonar echos of herring schools by means of simulation
(The University of Bergen, 2013-05-31)
The synchronized behavior of large schools of fish can be a fascinating sight and has caught the attention of researchers for decades. Schools of thousands, or even millions of fish can seemingly function as a single entity, ...
Two Level Additive Schwarz Preconditioner For Control Volume Finite Element Methods
(The University of Bergen, 2010-09-22)
In this thesis we investigate nummerically the convergence properties of the control volume finite element method (CVFEM) preconditioned with a two level overlapping additive Schwarz method. Relevant theory regarding the ...
The Flow of Quasiconformal Mappings on S³ with Contact structure and a Family of Surfaces on the Heisenberg Group
(The University of Bergen, 2011-05-31)
A discussion on turbulent and undular bores using the models from the shallow water equations and the dispersive system.
(The University of Bergen, 2010-05-26)
The bore is a wave phenomenon that occurs in channels and rivers of shallow water. Referred to as a discharge wave, a bore is generated by a sudden increase of water flow. Bores appear in certain rivers as the tide pushes ...
A Multiscale Approach to Estimate Large Scale Flow and Leakage from Geological Storage
(The University of Bergen, 2010-06-01)
Deep saline aquifers offer the greatest storage capacity for geological storage. However, the formations might be extensive and because of the oil and gas legacy the aquifers are frequently perforated by abandoned wells. ...