Now showing items 885-904 of 2411

    • Facility Layout Design: Preliminary Pipe Routing Based on Equipment Connectivity Capture from Process Simulation Data 

      Sørli, Arnt Kristoffer (Master thesis, 2019)
      Denne masteroppgaven presenterer en løsning i fangst av sammenkoblet utstyr fra prosess-simuleringer, og visualiserer denne informasjonen ved å produsere provisoriske rør i det disiplin-spesifikke applikasjonen Facility ...
    • Factors affecting transaction costs and collaboration in projects 

      Haaskjold, Haavard; Andersen, Bjørn Sørskot; Lædre, Ola; Aarseth, Wenche (Journal article; Peer reviewed, 2019)
      Purpose Transaction costs in projects can be reduced through improved collaboration between contractors and clients. The purpose of this paper is to respond to the call for further research on the framework suggested by ...
    • Factors in offshore planning that affect the risk for major accidents 

      Sarshar, Sizarta; Haugen, Stein; Skjerve, Ann Britt (Journal article; Peer reviewed, 2015)
      The purpose of this paper is to systematically analyse a typical planning process in the offshore industry from the perspective of causes of major accidents, with the ultimate aim of identifying factors that affect the ...
    • Failure Analysis of Diffusor System for Gas Turbines 

      Seljevold, Cato (Master thesis, 2019)
      For å redusere lydnivået, forårsaket av et bleed air system i eksoskanalene til gassturbiner installert på olje- og gassplattformer, har Mjørud AS utviklet en diffusor. Denne diffusoren ble designet for å redusere hastigheten ...
    • Failure Analysis of Diffusor System for Gas Turbines 

      Seljevold, Cato (Master thesis, 2019)
      For å redusere lydnivået, forårsaket av et bleed air system i eksoskanalene til gassturbiner installert på olje- og gassplattformer, har Mjørud AS utviklet en diffusor. Denne diffusoren ble designet for å redusere hastigheten ...
    • Failure Assessment of Additively Manufacturing PLA Specimens Using an Energy-Based Criterion 

      Fjelldal, Tobias (Master thesis, 2018)
      The field of additive manufacturing (AM) has in the last decades become more and more relevant. Rapid prototyping is a cheap and quick way of creating physical 3D-models of complex geometries. In this thesis, failure of ...
    • Failure assessment of steel/CFRP double strap joints 

      Majidi, Hamid Reza; Razavi, Seyed Mohammed Javad; Berto, Filippo (Journal article; Peer reviewed, 2017)
      In the current study, the failure behavior of retrofitted steel structures was studied experimentally and theoretically with steel/carbon fiber reinforced polymer (CFRP) double strap joints (DSJs) under quasi-static tensile ...
    • Failure Mechanisms in Cutter Tools for Tunnel Boring 

      Nærland, Jarand (Master thesis, 2015)
      Tunnel boring machines (TBM) utilize cutter discs as a primary tool for cutting through hard rock. The discs are mounted on a rotating, circular cutter head which is pressed against the rock. A microscopical examination ...
    • Failure Prediction in Multiphase Deep-Water Buoyancy Systems 

      Hoel, Eirik (Master thesis, 2013)
      The objective of this thesis is to explore how a new type of buoyancy material foroshore applications will perform under operating conditions. This includes buoy-ancy loads and extreme hydrostatic pressure. The new material ...
    • Failure rates of safety critical equipment based on inventory attributes 

      Håbrekke, Solfrid; Hauge, Stein; Xie, Lin; Lundteigen, Mary Ann (Chapter, 2018)
      Reliable failure rate estimates of safety critical equipment is crucial for verifying performance requirements and for trending the safety performance of the equipment. Joint industry efforts, like OREDA, Exida and PDS ...
    • Fast and iterative prototyping for injection molding – a case study of rapidly prototyping 

      Kriesi, Carlo; Bjelland, Øystein; Steinert, Martin (Journal article; Peer reviewed, 2018)
      Injection molding is essential for mass manufacturing plastic parts in all sizes and shapes. However, predicting the quality of a mold is tricky, and while computer simulations are highly advanced, they rely on conservative ...
    • Fast-track kvalitetssikring i store prosjekter 

      Heim, Mads (Master thesis, 2019)
      Statens prosjektmodell kan sees på som en sekvensiell faseinndelt modell med to kontrollpunkter i prosjektenes tidligfase. Modellen starter med idefasen før det blir gjennomført en konseptvalgutredning (KVU). Deretter blir ...
    • Fatigue analysis and testing of SX-22 couplers 

      Riiser, Simen Økelsrud (Master thesis, 2013)
      General Electrics Oil and Gas delivers couplers for subsea applications. In orderto validate the fatigue properties on one of there products, the SX-22 coupler, afatigue assessment was desired.The seal in the coupler system ...
    • Fatigue assessment methods for welded structures and their application to an aluminium T-joint 

      Mann, Torsten (Doktoravhandlinger ved NTNU, 1503-8181; 2006:129, Doctoral thesis, 2006)
      Following a short introduction, the state-of-the-art fatigue life assessment methods based on the nominal stress, the structural hot spot stress and the effective notch stress, as well as the crack propagation analysis are ...
    • Fatigue Assessment of AZ31 Magnesium Alloy Weldments - Application of a Local Energy-Based Method 

      Bale, Emil Scott (Master thesis, 2018)
      Traditional stress-based fatigue criterions are highly dependent of geometry and loading mode and are often based on idealized geometries and loading conditions. These fatigue criteria are seldom applicable in general ...
    • Fatigue Assessment of Components Subjected to Non-Proportional Stress Histories 

      Bruun, Øyvind Aleksander (Master thesis, 2013)
      The fatigue assessment of components subjected to complex loading histories is a challenging topic. Several criteria intended for use under multiaxial stress-states and non-proportional loading have been proposed by many ...
    • Fatigue Assessment of Components Subjected to Non-Proportional Stress Histories 

      Bruun, Øyvind Aleksander (Master thesis, 2013)
      The fatigue assessment of components subjected to complex loading histories is a challenging topic. Several criteria intended for use under multiaxial stress-states and non-proportional loading have been proposed by many ...
    • Fatigue Assessment of Notches and Cracks in Ductile Cast Iron 

      Zambrano, Habib (Doktoravhandlinger ved NTNU, 1503-8181; 2011:224, Doctoral thesis, 2011)
      The steadily increasing use of ductile cast iron and the necessity for building larger cast components present new challenges to the designers. In despite of large cast components are designed adhered to standards, unexpected ...
    • Fatigue assessment of semi-circular notched specimens produced by Laser Engineered Net Shaping method 

      Razavi, Seyed Mohammad Javad; Bordonaro, Giancarlo; Ferro, Paolo; Berto, Filippo (Journal article; Peer reviewed, 2018)
      As a primary failure mechanism, fatigue failure of additively manufactured metallic parts has attracted considerable attention in both aerospace and biomedical applications. According to some specific design requirements, ...
    • Fatigue assessment of steel load-carrying cruciform welded joints by means of local approaches 

      Song, Wei; Liu, Xuesong; Razavi, Seyed Mohammad Javad (Journal article, 2018)
      In this paper, local approaches are employed to analyse stress distributions, local fatigue indicators of weld toe, and weld root in load‐carrying cruciform welded joints (LCWJs). An extension of previous available equations ...