Browsing Institutt for konstruksjonsteknikk by Subject "Produktutvikling og produksjon, Industriell mekanikk"
Now showing items 21-40 of 53
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Eksperimentelt og numerisk studium av glassfiberarmert polyamid (PA)
(Master thesis, 2015)Polyamid (PA) og glassfiberarmert polyamid med fiberandel på 15 vekt% (PA15) og 30 vekt% (PA30) produsert ved sprøytestøping har blitt studert. Det ble utført én-akset strekktester av materialene på prøvestykker med ... -
Estimation of Aerodynamic Forces on a Railway Contact Wire and Their Effect on Galloping Instability - Wind Tunnel Testing of an AC-120 Contact Wire
(Master thesis, 2018)The objective of this master thesis was to determine the static aerodynamic forces on a contact wire, presented as static coefficients and the Strouhal number. The static coefficients were used in a galloping analysis on ... -
Evaluering av utmattingsberegninger for sveiser basert på DnV RP-C203
(Master thesis, 2015)I strukturnanalyser er det alltid flere metoder for å estimere strukturens indre spenninger. Noen er mindre nøyaktige, men og mindre komplekse, andre er mer presise men også mer tidskrevende. I denne oppgave skal vi ... -
Experimental and Numerical Studies of Plain and Reinforced Concrete Plates Subjected to Blast Loading
(Master thesis, 2016)The main objective in this thesis was to determine how the behavior of concrete structures subjected to blast loads may be predicted. An experimental study was conducted, in which 50 mm thick plain and reinforced concrete ... -
Experimental and Numerical Study of Sandwich Panels Exposed to Blast Loading
(Master thesis, 2018)The main objective of this thesis is to investigate, both experimentally and numerically, the mechanical response of various sandwich components with foam cores subjected to a range of blast load scenarios. Experiments ... -
Experimental and numerical study on perforated steel plates subjected to blast loading
(Master thesis, 2018)This thesis investigates the behavior of deformable steel plates exposed to blast-loading, using experimental two numerical studies. The numerical work consists of a preliminary study and a numerical study with more realistic ... -
Experimental and numerical stuty on perforated plates subjected to blast loading
(Master thesis, 2018)This thesis investigates the behavior of deformable steel plates exposed to blast-loading, using experimental two numerical studies. The numerical work consists of a preliminary study and a numerical study with more realistic ... -
Exploring the capabilities of machine learning (ML) for 1D blood flow: Application to coronary flow
(Master thesis, 2018)The aim of this thesis is to explore the capabilities of deep neural networks to reproduce 1D computational models for the pressure in a coronary tree. A machine learning algorithm was implemented. The algorithm was trained ... -
Finite Element Approach to Estimating Shell Properties of Nanoparticle-stabilized Microbubbles
(Master thesis, 2016)The application of nanoparticle-stabilized microbubbles (NP-MBs) for localized drug delivery is a new and promising method for enhancing the effectiveness of administered drugs. The NP-MBs move through the vascular system ... -
Finite Element Approximation of the Acoustic Impedance in Transducer Layers Comprising Silver Coated Monodisperse Polymer Spheres in a Polymer Adhesive
(Master thesis, 2017)In this work, we study the acoustic impedance of Isotropic Conductive Adhesives (ICAs) consisting of silver coated monodisperse polymer spheres. These ICAs are intended to be used as thermal conductive isolation and matching ... -
Finite Element Implementation of Fibre-Reinforced Materials Model in Abaqus/Explicit
(Master thesis, 2015)This thesis is concerned with the constitutive modelling of short fibre-reinforced composites in the finite element code Abaqus/Explicit. The model is presented as a generic framework which is based on a two-phase ... -
Fluid structure interaction aspects in obstructive sleep apnea patients
(Master thesis, 2017)In this master thesis, a comparative study of the feasibility of fluid-structure interaction (FSI) tools has been done in light of simulating the problem of obstructive-sleep apnea (OSA). Part of the study has been done ... -
Growth of Fatigue Cracks in Mooring Line Chains
(Master thesis, 2016)This master thesis is the continuation of a project work conducted during the fall of 2015, and is part of a series of studies investigating the effect of surface condition on the fatigue life of mooring chains. The study ... -
Impact behaviour of foam-based protective structures
(Master thesis, 2017)Foams are three dimensional cellular materials, with cell walls made up of a solid or liquid material and cells containing a gas or liquid. The solid material can be anything from a metal to a ceramic. Metallic and polymeric ... -
Influence of Dissipative Cohesive Zone Law on Hydrogen Embrittlement
(Master thesis, 2016)The dissipative cohesive zone model of Gao was applied with the hydrogen transport model established by Sofronis to approximate a cracked geometry subject to constant load and hydrogen embrittlement. The model assumed small ... -
Influence of precipitate-free zones on tensile ductility and tear resistance of 6000 aluminium alloys - An experimental and numerical study
(Master thesis, 2017)The influence of the precipitate free zones (PFZs) on ductility of aluminium alloys of the 6xxx- series was investigated. Precipitate free zones are zones along the grain boundary with no precipitates, resulting in a softer ... -
Lubrication Oil Flow Simulation in Connecting Rod
(Master thesis, 2015)Lubrication oil-flow in the crank system of an medium size diesel engine running at 750 RPM was modeled and analyzed. The model was built up by combining models from several studies in both engine lubrication systems and ... -
Mechanical behaviour of sacrificial sandwich panels
(Master thesis, 2016)The main objective of this thesis is to conduct a numerical study of aluminium foam core sacrificial sandwich panels in order to understand how different parameters affect the energy absorption when subjected to various ... -
Micromechanical modeling of plasticity, damage and fracture in aluminium alloys
(Master thesis, 2018)A microstructure-based modeling framework for ductile damage and failure has been examined and validated with experiments for an AlMgSi aluminium alloy. A limited number of material tests has been used to calibrate a porous ... -
Modeling and Simulation of Hypervelocity Impact Against Debris Shields for Spacecraft Protection
(Master thesis, 2017)In this project, IMPETUS Afea Solver was used to simulate hypervelocity impact on Whipple shields. The micrometeoroid and orbital debris environment around the International Space Station was studied in order to understand ...