Browsing Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM) by Title
Now showing items 1089-1108 of 1695
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Numerical analysis of the influence of friction conditions on the pile-up effect in Vickers hardness measurements
(Peer reviewed; Journal article, 2019)Vickers indentation load-depth curve may be used to determine basic mechanical properties of metallic materials such as hardness, yield stress, modulus of elasticity, and elastic and plastic work. The pile-up phenomenon ... -
Numerical analysis of vortex shedding
(Masteroppgave/UIS-TN-IKM/2010;, Master thesis, 2010)This report deals with structural vibrations of wind exposed structures caused by the vortex shedding phenomena. The theory of vortex shedding and the field of study called aeroelastisity are presented. A case study of ... -
Numerical analysis on flow around a wall-mounted square structure using Dynamic Mode Decomposition
(Peer reviewed; Journal article, 2021-03)Numerical investigations of the flow around a wall-mounted square structure have been carried out by using three-dimensional Spalart-Allmaras Delayed Detached Eddy Simulations (SADDES). The Reynolds number based on the ... -
Numerical and analytical studies of ship deckhouse impact with steel and RC bridge girders
(Peer reviewed; Journal article, 2021)Bridges crossing navigable waterways are under the threat of accidental collisions from passing ships. However, previous research focus was mainly placed on ship collision with bridge substructures while ship-bridge ... -
Numerical and analytical study of steady state and transient heat transfer in liquid filled dead legs
(Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)A dead leg is an inactive part of a process pipe, and it has been the cause of serious incidents due to liquid reaching its threshold value (TV) for freezing. The existing industrial approach for the design of dead legs ... -
Numerical evaluation of the axial capacity of cracked tubular members
(Master thesis, 2021)The objective of this thesis is to evaluate the axial capacity of cracked tubular elements analytically and numerically and compare these with laboratory tests. The laboratory tests have been performed by a different student ... -
Numerical investigation of blast and fire response of secondary tunnel structures
(Master thesis, 2023)Submerged Floating Tube Bridges (SFTB) are evaluated as potential fixed links in the Ferry-Free E39 project led by the National Public Road Administration (NPRA). However, the risk of internal explosions and the impact of ... -
Numerical investigation of breaking wave loads on the downstream inclined cylinder under shelter effect from the upstream vertical cylinder
(Peer reviewed; Journal article, 2021)Breaking waves interaction with two tandem cylinders are numerically studied using Computational Fluid Dynamic (CFD) software OpenFOAM. The effects of transverse inclined angles of the downstream cylinder and separation ... -
Numerical Investigation of Flow around Two Tandem Cylinders in the Upper Transition Reynolds Number Regime Using Modal Analysis
(Peer reviewed; Journal article, 2022)Flow around two tandem cylinders at Re = 3.6 × 106 for different center-to-center spacing ratio (L/D) is investigated numerically using two-dimensional (2D) Unsteady Reynolds-Averaged Navier–Stokes (URANS) equations combined ... -
Numerical investigation of scour beneath pipelines subjected to an oscillatory flow condition
(Peer reviewed; Journal article, 2021-10)The present study carries out two-dimensional numerical simulations to investigate scour beneath a single pipeline and piggyback pipelines subjected to an oscillatory flow condition at a Keulegan–Carpenter (KC) number of ... -
Numerical Investigation of Vortex-Induced Vibrations of a Flexible Riser with Staggered Buoyancy Elements
(Peer reviewed; Journal article, 2020-01)This paper presents a numerical algorithm used together with a Finite-Element based Vortex-Induced Vibration (VIV) prediction software VIVANA to obtain a hydrodynamic force coefficient database based on response measurements ... -
Numerical investigation of wave-plus-current induced scour beneath two submarine pipelines in tandem
(Peer reviewed; Journal article, 2019-12)Two-dimensional (2D) local scour beneath two submarine pipelines in tandem under wave-plus-current conditions is investigated numerically. A fully-coupled hydrodynamic and morphologic model based on unsteady Reynolds-averaged ... -
Numerical investigation of wind load acting on a ground fixed solar panel.
(Master thesis, 2022)The photovoltaic panels are one of the most important components to achieve the goal of decarbonization of the electricity and energy sectors. With the use of ANSYS Fluent, an advanced computational fluid dynamics (CFD) ... -
Numerical Investigation on Aerodynamic Characteristics of Dual-Rotor Wind Turbines
(Peer reviewed; Journal article, 2022)Improving power output and reducing costs are crucial to the sustainable development of offshore wind power. In the present study, a dual-rotor wind turbine (DRWT) is proposed to improve wind energy capture efficiency by ... -
Numerical investigation on rock fragmentation under decoupled charge blasting
(Peer reviewed; Journal article, 2023-05)Blasting using decoupled charge is extensively applied in rock excavation and rock fragmentation. In this study, the rock fragmentation induced by blasting using decoupled charge is investigated by combined finite element ... -
Numerical Investigation on the Vortex-Induced Vibration Effects of a Deep Sea Mining Riser
(Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-14)In recent times, the deep sea mining industry has attracted growing attention globally as it targets mining activities in deeper waters of up to 6,000 m depth. Many of the technologies used in deep sea mining have been ... -
Numerical investigations of flow around subsea covers at high Reynolds numbers
(Peer reviewed; Journal article, 2021)Two-dimensional (2D) numerical simulations of flow over wall-mounted rectangular and trapezoidal ribs subjected to a turbulent boundary layer flow with the normalized boundary layer thickness of δ/D = 0.73,1.96,2.52 (D is ... -
Numerical investigations of vehicle collisions and explosions in tunnels
(Master thesis, 2022)Tunnels perform a crucial role when it comes to the transportation system. Because of the possibility of an explosion occurring in the structure, either due to terrorism or an accident, it is important to take it into ... -
Numerical Investigations on the Layout Design of Open Cage Fish Farm
(Master thesis, 2023)Aquaculture, one of the fastest-growing food production method, has become Norway's second-largest export industry in the past decades. In Norway, the high-value fish like Atlantic Salmon are usually raised in multi-cage ... -
Numerical Modeling and Dynamic Analysis of Two-Rotor Floating Offshore Wind Turbines
(PhD thesis UiS;682;, Doctoral thesis, 2023)The exploitation of offshore wind in deep waters by means of floating wind turbines is steadily gaining traction as a suitable option to produce renewable energy. Among the innovative technologies recently proposed, two-rotor ...