Now showing items 81466-81485 of 100853

    • Simulation of floating bodies using a combined immersed boundary with the level set method in REEF3D 

      Bihs, Hans; Kamath, Arun; Lu, Jiayi Zheng; Arntsen, Øivind Asgeir (Chapter, 2017)
      The 6DOF algorithm implemented in the open-source computational fluid dynamics (CFD) model REEF3D is used to simulate a horizontal cylinder in heave motion around the free surface and the motion of a freely floating ...
    • Simulation of flow around a Viking ship rudder. 

      Heggem, Thomas (Master thesis, 2015)
      Computational fluid dynamics (CFD) is a numerical method of solving the Navier-Stokes equations for all points in a grid, or mesh. By performing this operation over multiple time steps, the resulting velocity and pressure ...
    • Simulation of Flow Around an Oil Boom 

      Bjørvik, Henning (Master thesis, 2015)
      The interFoam solver is used in this thesis. This solver applies the VOF method to trace the interface between two fluids. This method and the interFoam solver is thoroughly discussed in this thesis. A convergence study ...
    • Simulation of Fluid Flow Through Porous Rocks on Modern GPUs 

      Aksnes, Eirik Ola (Master thesis, 2009)
      It is important for the petroleum industry to investigate how fluids flow inside the complicated geometries of porous rocks, in order to improve oil production. The lattice Boltzmann method can be used to calculate the ...
    • Simulation of fluid flow through real microannuli geometries 

      Corina, Anisa Noor; Skorpa, Ragnhild; Sangesland, Sigbjørn; Vrålstad, Torbjørn (Journal article; Peer reviewed, 2020)
      Debonding of well cement towards casing or rock, i.e. microannuli formation, is a typical failure mode of cement barriers. Consequently, such microannuli may act as leak paths during leakages of downhole fluids such as ...
    • Simulation of Fractures in Elastic Bodies by Using Locally Refined B-splines 

      Skylstad, Mathilde (Master thesis, 2015)
      Fracture mechanics plays an important role in many different applications. When modeling fractures, singularities occur around the fracture tips. Another aspect that makes the modeling of fractures difficult, is the ...
    • Simulation of freely-floating bodies in waves using a 6dof algorithm 

      Lu, Jiayi Zheng; Kamath, Arun; Bihs, Hans (Chapter, 2017)
      Interactions between floating bodies and waves are found in several engineering applications like oil platforms or floating breakwaters. Floating bodies are strongly influenced by the free surface and the fluid structure ...
    • Simulation of gas dehydration process with MEG using Aspen Plus 

      Cervantes Gameros Blanca Yuritzi (Master thesis, 2019)
      Gassdehydrering offshore er essensielt for å oppnå spesifikasjonskravene for eksportgass, å etterkomme myndighetskrav og for å garantere effektiv og trygg transport i eksportgassledninger. Prosessen for å dehydrere gass ...
    • Simulation of H2S Removal from Biogas Using Aspen Plus 

      Paulsen, Martine (Master thesis, 2019)
      Biogass er en forbybar energikilde og kan brukes som en substitutt til naturgass. Biogass må renses før den kan oppgraderes til biometan. Komponenter som kan gjøre skade på prosessutstyret, som for eksempel hydrogen sulfid ...
    • Simulation of heave-induced pressure oscillations in Herschel-Bulkley muds 

      Strecker, Timm; Aamo, Ole Morten; Manum, Henrik (Journal article; Peer reviewed, 2017)
      Heave induces pressure oscillations when drilling offshore from floating rigs. A time-domain model is proposed to analyze and predict such pressure oscillations. The model considers the coupled dynamics of the mud and the ...
    • Simulation of hydraulic transients of operation at two hydro power plants 

      Vaage, Bjarne (Master thesis, 2016)
      The energy production in Europe is heading towards a green shift. The energy produced be renewable sources such as solar and wind are increasing day by day. This does however lead to a few issues. The energy produced by ...
    • Simulation of indoor climate in ZEB in relation to heating and cooling system 

      Midtbust, Hans-Martin (Master thesis, 2014)
      The purpose of this thesis was to study how the heating-, cooling- and ventilation systems affected the temperature distribution between the different zones in a building. Powerhouse Kjørbo is equipped with central radiator ...
    • Simulation of infrared avalanche photodiodes from first principles 

      Storebø, Asta Katrine; Goldar, Dara; Brudevoll, Trond (Journal article; Peer reviewed, 2017)
      The present article deals with device physics and modeling of an Hg0.28Cd0.72Te wide-area electron-initiated avalanche photodiode, with main input data extracted from first principles electronic structure codes. Due to the ...
    • Simulation of Inhomogeneous Wave Conditions and their Effect on Dynamic Responses of a Floating Bridge 

      Lin, Yu (Master thesis, 2020)
      The Norwegian Public Roads Administration (NPRA) has launched The Ferry-free E39 Coastal Highway Route project in order to reduce the travel time from 21 hours to 11 hours between Trondheim and Kristiansand by applying ...
    • Simulation of Innovation in Mobile Communication Markets 

      Børke, Martin Andreas (Master thesis, 2007)
      Mobile communication markets are known for frequent innovations with potentially high network effects. The conceptual work in economics and innovation studies show how the growth pattern for innovations in such markets ...
    • Simulation of interactive games 

      Heiberg, Fredrik (Master thesis, 2016)
      Interactive online games are increasingly popular in today's society, and the industry is growing fast. Games take place in a virtual world and involve interaction with other players. Some online games connect millions of ...
    • Simulation of large-strain behaviour of aluminium alloy under tensile loading using anisotropic plasticity models 

      Khadyko, Mikhail; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2015)
      Cylindrical smooth and notched AA6060 samples were tested in tension. The material was either cast and homogenised or extruded with strong cube texture. The textured specimens demonstrated unusual shapes of the fracture ...
    • Simulation of Low Salinity Waterflooding in a Synthetic Reservoir Model and Frøy Field Reservoir Model 

      Holter, Knut Even (Master thesis, 2012)
      Most of the large petroleum discoveries have already been made, but the demand for energy is still increasing. To meet the demands, new methods for getting the existing resources from the subsurface up to the surface have ...
    • Simulation of Marine Lifting Operations with Focus on Structural Response Control 

      Matland, Arild Eriksen (Master thesis, 2014)
      As the offshore industry operates on deeper seas, subsea technology becomes more and more important. As a consequence of this, marine lifting operations of subsea equipment has become very common. Prior to such an operation ...
    • Simulation of New Security Elements in an Ad Hoc Network 

      Ashraful Karim, Syed Md. (Master thesis, 2009)
      The candidate will configure a simulation of an ad hoc network for first responders in a crisis scenario using the NS2 simulation platform. The task will involve adjustment and experimentation with simulation parameters. ...