Browsing NTNU Open by Title
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Numerical simulation of viscous flow around a step cylinder
(Master thesis, 2018)Flow around a step cylinder at was investigated numerically with a diameter ratio of $D/d=2$ and Reynolds number $Re_D=600$. The open source software OpenFoam was used for the numerical simulations. The primary focus in ... -
Numerical simulation of viscous flow around inclined cicular cylinder
(Master thesis, 2017)The modern maritime engineering industry uses various types of structures in their fields. The single circular cylinder is the core and basic structure of the industry which is studied with numerical and experimental ... -
Numerical Simulation of Viscous Flow Past A Curved Cylinder
(Master thesis, 2018)In the present Master thesis three-dimensional viscous flow simulations of flow past a curved circular cylinder is investigated by utilization of the open source Computational Fluid Dynamics (CFD) code OpenFOAM. The focus ... -
Numerical Simulation of Viscous Shear Flow Around Tandem Cylinders
(Master thesis, 2018)The project, Coastal Highway E39, introduces the concept of Submerged Floating Tube Bridge (SFTB). The bridge is simplified as tandem cylinders with longitudinal length-diameter ratio L/D = 3.2, diameter D=1.0 and span-wise ... -
Numerical Simulation of Wave Interaction with Submerged Porous Structures
(Peer reviewed; Journal article, 2020)The study of wave interaction with porous structures is essential as coastal structures are often porous in nature because of their prominent energy dissipation characteristics. The present work is focused on the numerical ... -
Numerical simulation of waves and local scour around vertical cylinders in a triangular arrangement using REEF3D
(Chapter, 2015)Coastal and offshore structures are generally supported by a group of cylinders. The stability of the structures can be threatened by sediment transport around the foundations. To explore this topic in detail, numerical ... -
Numerical Simulation Study on Parameters related to Athabasca Bitumen Recovery with SAGD
(Master thesis, 2012)The world’s total oil reserves are to some extent dominated by heavy oil. The heavy oil reserves are doubled in volume compared to conventional oil reserves. As conventional oil reservoirs are depleting, heavy oil and ... -
Numerical Simulations and Operational Assessment of Installation of Anchors for Floating Wind Turbines
(Master thesis, 2020)Ei av dei største utfordingane til forankringssystemet for flytande vindturbinar er installasjonen av ankera og den tilhøyrande kran-operasjonen. To forskjellige anker-konsept som kan brukast i forankringssystemet er det ... -
Numerical simulations andexperimental studies for nasaldelivery of vaccines and drugs
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:64, Doctoral thesis, 2012) -
Numerical Simulations for Installation of Offshore Wind Turbine Monopiles Using Floating Vessels
(Chapter; Peer reviewed, 2013)Monopiles are the most commonly used support structures for offshore wind turbines with up to 40m water depth due to the simplicity of the structure. The installation of turbine support structures can be carried out by a ... -
Numerical simulations for lift-off operation of an offshore wind turbine monopile
(Master thesis, 2016)From this study, lift-off process of monopile in single crane vessel scenario and two vessels scenario are all considered. Challenges from environmental conditions and upending process are all cleared. In the single crane ... -
Numerical Simulations of Blood Flow in the Left Side of the Heart
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:135, Doctoral thesis, 2012) -
Numerical simulations of combustion near solid and hydrogen permeable walls
(Doctoral theses at NTNU;2021:306, Doctoral thesis, 2021)The goal of the present thesis was to investigate a selective and isothermal, chemically inert hydrogen-permeable or porous wall boundary condition to laminar flame simulations to understand the flow physics of near-wall ... -
Numerical Simulations of Docol 600 DL Steel Plates Subject to Blast Loading
(Master thesis, 2013)The main objective in this study was to investigate how the deformation of Docol 600 DL steel plates subject to blast loading can be accurately recreated with different numerical simulations. An initial experiment was ... -
Numerical Simulations of Flow Around a Bluff Body, Using Multigrid and an Immersed Boundary Method
(Master thesis, 2017)Increase in computational efficiency is one of the most prominent factors for successful applications of large CFD models with many grid points. Consequences of the increase are reduction in CPU-time and memory usage, so ... -
Numerical Simulations of Flow around a Simplified Hull Form
(Master thesis, 2016)Hydrodynamic flow around a simplified hull form has been investigated using numerical simulations in OpenFOAM. The flow in question is three-dimensional and turbulent at a Reynolds number of 26,400. The base geometry is a ... -
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 simulations of fluid flow and particle deposition in a cascade impactor
(Master thesis, 2022)Iceland Deep Drilling Project (IDDP) er et prosjekt som sikter seg inn på å forbedre prosessen og øke potensialet til geotermisk energi ved hjelp av varmeutvinning av fluider langt nede i jordskorpen. Disse fluidene har ... -
Numerical simulations of massively separated turbulent flows
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:5, Doctoral thesis, 2010)It is well known that most fluid flows observed in nature or encountered in engineering applications are turbulent and involve separation. Fluid flows in turbines, diffusers and channels with sudden expansions are among ... -
Numerical simulations of material mismatch and ductile crack growth
(Doktoravhandlinger ved NTNU, 1503-8181; 2002:13, Doctoral thesis, 2002)Both the global geometry and inhomogeneties in material properties will influence the fracture behaviour of structures in presence of cracks. In this thesis numerical simulations have been used to investigate how some ...