• Utforming av skallkonstruksjoner 

      Konnestad, Roger (Master thesis, 2018)
      Skallkonstruksjoner er en gammel form for byggverk med lange tradisjoner. De er spektakulære byggverk som strekker seg over lange spenn og kan bli stående i flere tusen år. Hvordan man utformer slike konstruksjoner har ...
    • Utilization of Rock Materials from Tunnelling as Aggregates for Sprayed Concrete 

      Luong, Judy Yuen Wah (Master thesis, 2017)
      The concrete industry in Norway, as well as other countries, is facing a great challenge nowadays. The enormous increase in demand for concrete production and the consequential increase in aggregate consumption have resulted ...
    • Utmattning av offshorekonstruksjon med dynamisk vindlast 

      Nag, Lasse (Master thesis, 2011)
      I denne studien undersøkes utmattingslevetid av utvalgte detaljer på et offshoreantennetårn på grunn av vindlast. Det brukes to ulike metoder for å beregne delskade og tilhørende levetid. Den ene metoden er en forenklet ...
    • Utvikling av konsept for en lettvekt strekkbåndbru for gangtrafikk 

      Bergo, Jarle (Master thesis, 2018)
      Denne oppgaven tar for seg utvikling av et generelt konsept for en strekbåndbru for gangtrafikk. Med utgangspunkt i en parameterstudie av en enkel bru med brubane av kontinuerlig stålplate med forskjellig lengde og ...
    • Utvikling og programmering av beregningsprogram for kontaktledningsmaster langs jernbanen 

      Brustad Børke, Oscar; Horjen, Gunnar Wiedswang (Master thesis, 2017)
      Mange scenarier tidligere beregnet med tabeller og håndregnemetoder er i dag erstattet av dataassistert konstruksjon. Denne masteroppgaven tar for seg en oppgradering av Bane NORs dimensjoneringsprogram for kontaktledningsmaster, ...
    • Validation and Analysis on Numerical Response of Super-High-Speed Railway Pantograph-Catenary Interaction Based on Experimental Test 

      Jia, Yang; Song, Yang; Lu, Xiaobing; Duan, Fuchuan; Liu, Zhigang; Chen, Ke (Peer reviewed; Journal article, 2021)
      The numerical tools can be used to facilitate the design of the railway pantograph-catenary system. The validation of the current numerical results is mostly performed at a speed slower than 350 km/h. This paper aims at ...
    • Validation of material model for polypropylene (PP) 

      Sælen, Kristin (Master thesis, 2012)
      A hyperelastic-viscoplastic material model intended for thermoplastics has been developed by SIMLab at NTNU. This model formed the basis of the thesis, where a material model for the polymer polypropylene was calibrated ...
    • Validation of material model for polypropylene (PP) 

      Vange, Kjetil (Master thesis, 2012)
      Polymers are the up and coming engineering material. The number of possibleapplications is increasing fast and so is the need for a good polymer material model. Thescientists at SIMLab at NTNU have developed such a material ...
    • Validation study of failure prediction in crash analysis 

      Reyes, Aase Gavina Roberg; Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir; Eriksson, Magnus (Chapter, 2008)
      Modeling of plastic deformation and failure is critical in crash analysis. In the present paper, we have studied one approach to represent instabilities and damage evolution in non-linear finite element analyses of forming ...
    • Validering av materialmodell for polypropylen (HDPE) 

      Hegni, Tonje (Master thesis, 2012)
      Denne rapporten tar for seg validering av en hyperelastisk viscoplastisk material modell som tidligere har blitt implementert i elementmetode koden LS Dyna. Materialet som er evaluert er polyetylen (HDPE) som er levert ...
    • Validering av materialmodell for polyvinylklorid (PVC) 

      Østen, Torgrim (Master thesis, 2012)
      En ny materialmodell for termoplaster ble utviklet ved SIMLab i 2010. Validering av denne er målet for denne oppgaven. Modellen implementeres i LS-DYNA som en brukerdefinert materialmodell og inneholder 11 parametre som ...
    • Value of information of in-situ inspections of mooring lines 

      Mendoza Espinosa, Jorge; Paglia, Jacopo; Eidsvik, Jo; Kohler, Jochen (Peer reviewed; Journal article, 2021)
      Mooring systems that are used to secure position keeping of floating offshore oil and gas facilities are subject to deterioration processes, such as pitting corrosion and fatigue crack growth. Past investigations show that ...
    • Variant Creation of Onshore Steel Outfitting Structures 

      Høgåsen, Stian Lunde (Master thesis, 2010)
      Pipe racks are steel frame structures used to support piping, cables, trays etc. at oil and gas facilities onshore and offshore. Pipe racks may vary in design but thefundamental principals are the same. The geometry is ...
    • Variation in predicting pantograph–catenary interaction contact forces, numerical simulations and field measurements 

      Nåvik, Petter Røe; Rønnquist, Anders; Stichel, Sebastian (Journal article; Peer reviewed, 2017)
      The contact force between the pantograph and the contact wire ensures energy transfer between the two. Too small of a force leads to arching and unstable energy transfer, while too large of a force leads to unnecessary ...
    • A variational multiscale framework for atmospheric turbulent flows over complex environmental terrains 

      Ravensbergen, M.; Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Korobenko, Artem (Peer reviewed; Journal article, 2020)
      A residual-based variational multi-scale (VMS) modeling framework is applied to simulate atmospheric flow over complex environmental terrains. The VMS framework is verified and validated using two test cases using linear ...
    • VBI-2D – Road vehicle-bridge interaction simulation tool and verification framework for Matlab 

      Cantero, Daniel (Peer reviewed; Journal article, 2024)
      This document introduces VBI-2D, a user-friendly, efficient, and verified implementation of the vehicle-bridge interaction problem in 2 dimensions for road bridges, implemented in Matlab environment. The software is designed ...
    • Vehicle assisted bridge damage assessment using probabilistic deep learning 

      Sarwar, Muhammad Zohaib; Cantero, Daniel (Peer reviewed; Journal article, 2023)
      Vehicle assisted monitoring has shown promising potential for the condition assessment of existing bridges in a road network, by removing practical complications faced in traditional Structural health monitoring (SHM) ...
    • Vehicle-assisted bridge damage assessment using deep learning 

      Sarwar, Muhammad Zohaib (Doctoral theses at NTNU;2023:209, Doctoral thesis, 2023)
      This thesis introduces innovative methodologies for vehicle-assisted bridge health monitoring, aiming to improve maintenance procedures of ageing infrastructure, a critical concern for transport network owners. By taking ...
    • Velocity profiles in a 2D model of the left ventricular outflow tract, pathological case study using PIV and CFD modeling 

      Leinan, Paul Roger; Skjetne, Paal; Morud, John; Urheim, Stig; Dahl, Sigrid Kaarstad (Chapter, 2017)
      In the current study, we present an experimental (in vitro) 2D flow model for studying blood flow in the human left ventricular outflow tract (LVOT) and the first part of the aorta using particle image velocimetry (PIV) ...
    • VEqMon2D—Equations of motion generation tool of 2D vehicles with Matlab 

      Cantero, Daniel (Journal article; Peer reviewed, 2022)
      The tool VEqMon2D provides a framework to generate analytical expressions of equations of motion of 2D vehicle models in Matlab. Such vehicle models are mostly used in studies that focus on the infrastructure (pavement, ...