Blar i NTNU Open på tittel

Viser treff 98580-98599 av 100653

    • Vondt - verre - vulvodyni Når bedring frister, men helsevesenet brister En litteraturstudie om fysioterapi ved vulvodyni 

      10033; 10058 (Bachelor thesis, 2021)
      Tittel: Vondt - verre - vulvodyni: Når bedring frister, men helsevesenet brister. En litteraturstudie om fysioterapi ved vulvodyni Problemstilling: Vulvodyni er en lite utforsket tilstand som fører til smerter i vulva. Det ...

    • Voortrekkermonumentet: Et monument til besvær i det nye Sør-Afrika? 

      Tutturen, Tord Johannes (Bachelor thesis, 2019)
      Voortrekkermonumentet ble bygget for å hedre Det store trekket tidlig på 1800-tallet og afrikandernes kolonisering av Sør-Afrikas indre. Denne oppgaven vil bruke begreper og modeller fra historiebruksfeltet for å forstå ...

    • Voronoi Based Deployment for Multi-Agent Systems 

      Hatleskog, Johan (Master thesis, 2018)
      This thesis investigates convergence in the framework of Voronoi-based deployment of a multi-agent system to a convex polytopic multi-dimensional environment. The deployment objective is to drive the system into a stable ...

    • Voronoi-Based Deployment of Multi-Agent Systems 

      Hatleskog, Johan; Olaru, Sorin; Hovd, Morten (Peer reviewed; Journal article, 2019)
      This paper considers a decentralized control scheme for Voronoi-based deployment of discrete-time multiagent dynamical systems within multi-dimensional static convex polytopic environments. The deployment objective is to ...

    • Vortex dislocation mechanisms in the near wake of a step cylinder 

      Tian, Cai; Jiang, Fengjian; Pettersen, Bjørnar; Andersson, Helge Ingolf (Peer reviewed; Journal article, 2020)
      Vortex interactions behind step cylinders with diameter ratio D/d = 2 and 2.4 at Reynolds number ( ReD ) 150 were investigated by directly solving the three-dimensional Navier–Stokes equations. In accordance with previous ...

    • Vortex dynamics and flow patterns in a two-dimensional oscillatory lid-driven rectangular cavity 

      Zhu, Jianxun; Holmedal, Lars Erik; Wang, Hong; Myrhaug, Dag (Peer reviewed; Journal article, 2020)
      The vortex dynamics in a two-dimensional oscillatory lid-driven cavity with depth-to-width ratio 1:2 has been investigated, covering a wide range of Reynolds numbers and Stokes numbers where this flow is known to be in the ...

    • Vortex dynamics of a jet at the pressure node in a standing wave 

      Worth, Nicholas; Mistry, Dhiren; Berk, Tim; Dawson, James (Journal article; Peer reviewed, 2020)
      In this paper we investigate the vortex structure and dynamics formed in the near field of a turbulent axisymmetric jet subjected to transverse acoustic forcing. Full three-dimensional phase-averaged velocity measurements ...

    • Vortex generator's effect on trailing edge vortex shedding and fluid structure interaction 

      Besirovic, Hasan; Forfot Sagmo, Kristian; Storli, Pål-Tore Selbo (Peer reviewed; Journal article, 2020)
      An initial study of the effects vortex generators (VGs) have on the mitigation of vortex-induced vibrations (VIVs) of hydrofoils have been performed at the Waterpower laboratory of the Norwegian University of Science and ...

    • Vortex generator's effect on trailing edge wake and fluid structure interaction 

      Besirovic, Hasan (Master thesis, 2020)
      Detaljer rundt bruk av virvelgeneratorer i hydrodynamiske miljøer og deres effekter på mildning av virvelinduserte vibrasjoner er ennå ikke tilstrekkelig undersøkt i litteraturen. Vannkraftverk som er utsatt for disse ...

    • Vortex Induced Fatigue Damage of a Steel Catenary Riser near the Touchdown Point 

      Lejlic, Emir (Master thesis, 2013)
      In this thesis, the fatigue damage of a steel catenary riser was investigated, especially in the vicinity of the touchdown point.The steel catenary riser is a promising riser solution due to its simplicity and low cost. ...

    • Vortex Induced Vibrations in Fish Farm Structural Elements 

      Wergeland, Therese Veland (Master thesis, 2015)
      Norway produces over 14 million meals of salmon every day. This corresponds to an annual value of close to 40 billion NOK. The world s continuous population increase will require a substantial increase in food production. ...

    • Vortex induced vibrations of free span pipelines 

      Koushan, Kamran (Doktoravhandlinger ved NTNU, 1503-8181; 2009:106, Doctoral thesis, 2009)
      Pipelines from offshore petroleum fields must frequently pass overareas with uneven seafloor.  In such cases the pipeline may havefree spans when crossing depressions. Hence, if dynamic loads canoccur, the free span ...

    • Vortex Induced Vibrations of Marine Risers 

      Knardahl, Geir Magnus (Master thesis, 2012)
      SummaryThis Master s Thesis goal is to present fundamental physical aspects of Vortex Induced Vibrations (VIV) of marine risers, and outline methods for suppression of VIV. Main emphasis has been given to the use of strakes, ...

    • Vortex Induced Vibrations of Pipelines With Non-Linear Seabed Contact Properties 

      Ulveseter, Jan Vidar; Sævik, Svein; Larsen, Carl Martin (Chapter; Peer reviewed, 2016)
      A promising time domain model for calculation of cross-flow vortex induced vibrations (VIV) is under development at the Norwegian University of Science and Technology. Time domain, as oppose to frequency domain, makes it ...

    • Vortex Induced Vibrations of Slender Catenary Structures 

      Simensen, Ingrid Kornberg (Master thesis, 2015)
      A wide range of offshore science and engineering applications utilize slender catenary-shaped structural elements in their design. These applications include moorings and steel catenary riser designs. The susceptibility ...

    • Vortex Induced Vibrations of Slender Marine Structures 

      Brunborg, Maren (Master thesis, 2013)
      The main objective of this thesis is to study the behaviour of slender marine structures exposed to vortex induced vibrations (VIV). Especially the interaction between active response frequencies is important. This is done ...

    • Vortex Induced Vibrations Of Slender Marine Structures: Inverse Analysis 

      Wang, Daming (Master thesis, 2013)
      With the development of the offshore engineering and the increasing of water depth, VIV (vortex induced vibrations) becomes a big challenge of the design of slender marine structures. In engineering field, we use some ...

    • Vortex Induced Vibrations on an ''Artificial Seabed'' for Support of a Floating Bridge 

      Grevstad, Simon (Master thesis, 2015)
      The engineering company Reinertsen is planning a floating bridge with tunnel that will go across the Sognefjord. Reinertsen has designed what they call an "artificial seabed" to be used for anchoring of the floating bridge. ...

    • Vortex Induced Vibrations Response Evaluation 

      Feri, Herliawan (Master thesis, 2010)
      In designing oil and gas pipelines, many aspects should be considered. One of those aspects is fatigue damage due to time varying stresses in the pipe. The stresses in the pipe may be caused by dynamic loads and the most ...

    • Vortex interaction in the wake of a two- and three-bladed wind turbine 

      Bartl, Jan Michael Simon; Hansen, Thomas; Kuhn, Wolf Ludwig; Mühle, Franz Volker; Sætran, Lars Roar (Peer reviewed; Journal article, 2020)
      The vortex interaction in the wake behind a two- and three-bladed model scale wind turbine is investigated. The two rotors have equal solidity, and produce similar power and thrust at the design tip speed ratio. Phase-averaged ...