Blar i Institutt for fysikk på emneord "MTFYMA fysikk og matematikk"
Viser treff 21-40 av 69
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Engineered Surfaces for Redirection of Light
(Master thesis, 2011)It is of interest to construct windows that can spread the transmitted light in a specified manner. The Kirchhoff approximation in the geometrical optical limit in combination with a chosen general form of the window ... -
Experimental Mueller Matrix Images of Liquid Crystalline Domains in Synthetic Clay Dispersions.
(Master thesis, 2011)This report is a study of how polarized light can improve our understandings of physical phenomena, such as local organization of anisometric nanoparticles dispersed in a liquid.The first part of the thesis considers the ... -
Experimental Studies of Finger and Fracture Instabilities in Clays Throughout the Sol-Gel Transition
(Master thesis, 2011)This report concerns preliminary studies of fingering and fracturing in gelling materials, with the aim of identifying how the phenomena of fingering transitions into fracturing as the breaking medium gradually becomes ... -
Experimental Studies of Instabilities Near the Sol-Gel Transition
(Master thesis, 2012)This master thesis presents a new experimental way to dynamically determinerheological properties of a complex fluid. The fluid investigated is asuspension of the synthetic clay mineral laponite of 3 wt%. This is mixedtogether ... -
Exploring possibilities in AFM studies of InAs/GaAs QDs
(Master thesis, 2012)The main focus of this master thesis work has been to image InAs emph{quantum dots} (QDs) using emph{atomic force microscopy} (AFM), to identify and evaluate various image processing methods used to estimate the volume of ... -
Fracturing of Optimal Paths in a Random Lattice
(Master thesis, 2011)The subject of this thesis is the study of the creation of fault lines in a random lattice, provoked by the successive failure of optimal paths. Using the recently developed Optimal Path Cracked model, we investigate how ... -
Gold and Platinum Surface Nanostructures on Highly Oriented Pyrolytic Graphite
(Master thesis, 2012)Self-assembled platinum and gold nanostructures, which are formed by evaporation and subsequent diffusion limited aggregation of metal on highly oriented pyrolytic graphite, have been studied by photoemission spectroscopy ... -
Hyperbolic Conservation Laws with Relaxation Terms: A Theoretical and Numerical Study
(Master thesis, 2011)Hyperbolic relaxation systems is an active field of research, with a largenumber of applications in physical modeling. Examples include modelsfor traffic flow, kinetic theory and fluid mechanics. This master s thesis is ... -
Lévy Processes and Path Integral Methods with Applications in the Energy Markets
(Master thesis, 2011)The objective of this thesis was to explore methods for valuation of derivatives in energy markets. One aim was to determine whether the Normal inverse Gaussian distributions would be better suited for modelling energy ... -
Matrix-Free Conjugate Gradient Methods for Finite Element Simulations on GPUs
(Master thesis, 2010)A block-structured approach for solving 2-dimensional finite element approximations of the Poisson equation on graphics processing units(GPUs) is developed. Linear triangular elements are used, and a matrix-free version ... -
Maximum Entropy and Maximum Entropy Production in Macroecology
(Master thesis, 2011)The Maximum Entropy Theory of Ecology (METE), developed by John Harte, presents an entirely new method of making inferences in ecology. The method is based on the established mathematical procedure of Maximum Information ... -
Measurements of Young's Modulus on Rock Samples at Small Amplitude and Low Frequency: RockHard Deformations
(Master thesis, 2011)This thesis describes a new instrumental approach designed to measure the complex Young s modulus on cylindrical samples 1 inch in diameter 2 inch long and typically in the range of 1-70 GPa. Excitation frequencies are ... -
Minimum Ignition Energy in a Hygrogen Combustible Mixture
(Master thesis, 2011)In this thesis the Minimum Ignition Energy, in a hydrogen-air system, is studied by Direct Numerical Simulations (DNS) in a program called the Pencil Code. The heat source used to achieve ignition is modeled by a Gaussian ... -
Nonlinear Laser-induced Deformations and Forces at Liquid-Liquid Interfaces near the critical Point.
(Master thesis, 2011)The theory of laser-induced liquid-liquid interface deformation has been presented and used to derive a differential equation describing the shape of the deformation. The differential equation has been investigated and ... -
Numerical modelling of marine icing on offshore structures and vessels
(Master thesis, 2012)A numerical model for predicting icing on offshore structures and vessels has been developed and implemented. The model calculates the icing caused by freezing sea spray, and focuses on two distinct sources of spray - spray ... -
Numerical Simulations of Flow Past a Truss Tower with an Evaluation of Tower Shadow Models for Wind Turbines
(Master thesis, 2011)The performance of steady-state tower shadow models for a wind turbine truss tower have been evaluated. The Reynolds-Averaged-Navier-Stokes (RANS) approach, in conjunction with the $k-omega$ Shear-Stress-Transport (SST) ... -
Numerical Solution of Stochastic Differential Equations by use of Path Integration: A study of a stochastic Lotka-Volterra model
(Master thesis, 2011)Some theory of real and stochastic analysis in order to introduce the Path Integration method in terms of stochastic operators. A theorem presenting sufficient conditions for convergence of the Path Integration method is ... -
Numerical Study of the Interaction of Flow over Two Airfoils in Relative Motion
(Master thesis, 2011)Computational fluid dynamics (CFD) was be used to investigate aspects of interaction of flow over two airfoils in relatie motion in detail.%Problem statement2D tandem airfoil setups were studied, where the leading airfoil ... -
On the Design of Accurate Spatial and Temporal Temperature Measurements in Sea Ice
(Master thesis, 2012)Studies on sea ice have become increasingly popular among researchers in the last decades, due to its effect on the global climate and the challenges it presents for arctic engineering. The research is in demand of reliable ... -
Organic Contaminations in Sub-Marine AC and DC High-Voltage Cables
(Master thesis, 2012)In dielectric insulating materials subjected to alternating electric fields there are energy losses associated with polarization mechanisms and resistivity. A typical dielectric material used for insulation of high voltage ...