Now showing items 61-80 of 31828

    • 3D numerical modelling of braided channel formation 

      Olsen, Nils Reidar Bøe (Journal article; Peer reviewed, 2021)
      A numerical model was used to compute the formation of a braided channel system. The model calculated the water flow field from the fully 3D Navier-Stokes equations on a non-orthogonal unstructured adaptive grid. The ...
    • 3D numerical modelling of scour around a jacket structure with dynamic free surface capturing 

      Ahmad, Nadeem; Kamath, Arun; Bihs, Hans (Peer reviewed; Journal article, 2020)
      This paper presents a numerical investigation of local scour with dynamic free surface capturing around a jacket structure. The hydrodynamics and resulting scour are calculated using the open-source CFD model REEF3D. The ...
    • 3D patient-specific numerical modeling of the soft palate considering adhesion from the tongue 

      Liu, Hongliang; Prot, Victorien Emile; Skallerud, Bjørn Helge (Journal article; Peer reviewed, 2018)
      Collapse of the soft palate in the upper airway contributes to obstructive sleeping apnea (OSA). In this study, we investigate the influence of the adhesion from the tongue on the soft palate global response. This is ...
    • 3D Printable Filaments Made of Biobased Polyethylene Biocomposites 

      Filgueira, Daniel; Holmen, Solveig; Melbø, Johnny K; Moldes, Diego; Echtermeyer, Andreas; Chinga-Carrasco, Gary (Journal article; Peer reviewed, 2018)
      Two different series of biobased polyethylene (BioPE) were used for the manufacturing of biocomposites, complemented with thermomechanical pulp (TMP) fibers. The intrinsic hydrophilic character of the TMP fibers was ...
    • 3D printed thermoelectric polyurethane/multiwalled carbon nanotube nanocomposites: A novel approach towards the fabrication of flexible and stretchable organic thermoelectrics 

      Tzounis, Lazaros; Petousis, Markos; Grammatikos, Sotirios; Vidakis, Nectarios (Peer reviewed; Journal article, 2020)
      Three-dimensional (3D) printing of thermoelectric polymer nanocomposites is reported for the first time employing flexible, stretchable and electrically conductive 3D printable thermoplastic polyurethane (TPU)/multiwalled ...
    • 3D Printing Spatially-varying Color and Translucency 

      Brunton, Alan; Arikan, Can Ates; Tanksale, Tejas Madan; Urban, Philipp (Journal article; Peer reviewed, 2018)
      We present an efficient and scalable pipeline for fabricating full-colored objects with spatially-varying translucency from practical and accessible input data via multi-material 3D printing. Observing that the costs ...
    • A 3D reactive collision avoidance algorithm for underactuated underwater vehicles 

      Syre Wiig, Martin; Pettersen, Kristin Y.; Krogstad, Thomas Røbekk (Peer reviewed; Journal article, 2020)
      Avoiding collisions is an essential goal of the control system of autonomous vehicles. This paper presents a reactive algorithm for avoiding obstacles in a three‐dimensional space, and shows how the algorithm can be applied ...
    • 3D reconstruction of gastrointestinal regions using shape-from-focus 

      Ahmad, Bilal; Farup, Ivar; Floor, Pål Anders (Peer reviewed; Journal article, 2023)
      3D shape reconstruction from images is an active topic in computer vision. Shape-from-Focus (SFF) is an important approach which requires image stack in a focus controlled manner to infer the 3D shape. In this article, 3D ...
    • 3D Reconstruction of Gastrointestinal Regions Using Single-View Methods 

      Ahmad, Bilal; Floor, Pål Anders; Farup, Ivar; Hovde, Øistein (Peer reviewed; Journal article, 2023)
      Capsule endoscopy is about to become an alternative to traditional colonoscopy. One uses a wireless camera to visualize the gastrointestinal (GI) tract. A 3D model based on image sequences obtained from wireless capsule ...
    • 3D Reconstruction of GI Regions from Single Images 

      Ahmad, Bilal; Floor, Pål Anders; Farup, Ivar; Kresović, Milan (Peer reviewed; Journal article, 2022)
      3D shape reconstruction from images is one of the problem under investigation in the field of computer vision. Shape-from-shading (SfS) is an important approach which requires the reflectance properties of surface and light ...
    • 3D Reconstruction of the Human Colon from Capsule Endoscope Video 

      Floor, Pål Anders; Farup, Ivar; Pedersen, Marius (Peer reviewed; Journal article, 2022)
      In this paper we investigate the possibility of constructing 3D models of longer sections of the human colon using image sequences obtained from wireless capsule endoscope (WCE) video to provide enhanced viewing for ...
    • 3D seismic interpretation of the depositional morphology of the Middle to Late Triassic fluvial system in Eastern Hammerfest Basin, Barents Sea 

      Hidayat, Dicky Haris; Omosanya, Kamaldeen Olakumle; Johansen, Ståle Emil (Journal article; Peer reviewed, 2015)
      Integration of seismic, well and outcrop analog data provided realistic definition of the depositional morphology of the Snadd Formation in the Eastern Hammerfest Basin, Barents Sea. In this work the morphology of the ...
    • 3D ultrasound reconstruction algorithms from analog and digital data 

      Solberg, Ole Vegard; Lindseth, Frank; Bø, Lars Eirik; Muller, Sebastien; Meland, Janne Beate Lervik; Tangen, Geir Arne; Hernes, Toril A. Nagelhus (Journal article; Peer reviewed, 2010)
      Freehand 3D ultrasound is increasingly being introduced in the clinic for diagnostics and image-assisted interventions. Various algorithms exist for combining 2D images of regular ultrasound probes to 3D volumes, being ...
    • 3D ultrasound-guided resection of low-grade gliomas: principles and clinical examples 

      Unsgård, Geirmund; Lindseth, Frank (Journal article, 2019)
      3D ultrasound (US) is a convenient tool for guiding the resection of low-grade gliomas, seemingly without deterioration in patients’ quality of life. This article offers an update of the intraoperative workflow and the ...
    • 3D-Focused ion beam tomography and quantitative porosity evaluation of ZrO2-SiO2 composite coating; amorphous SiO2 as a porosity tailoring agent 

      Farhadian, M.; Raeissi, K.; Golozar, M.A.; Labbaf, S.; Hajilou, Tarlan; Barnoush, Afrooz (Peer reviewed; Journal article, 2020)
      The current study is focused on refining effect of amorphous SiO2 on porosity and interlayer formation of sintered ZrO2-SiO2 composite coatings produced on anodic oxidized 316L substrate. The SiO2 improved particle interaction ...
    • A 3DOF Path-Following Controller for a Non-Directionally Stable Vessel with Slow Thruster Dynamics 

      Thyri, Emil Hjelseth; Bitar, Glenn Ivan; Breivik, Morten (Peer reviewed; Journal article, 2021)
      In this paper, a 3DOF path-following controller for an electric double-ended passenger ferry prototype is presented. The controller is formulated through a 3-step backstepping approach, taking into consideration several ...
    • 3HSP J095507.9+355101: A flaring extreme blazar coincident in space and time with IceCube-200107A 

      Giommi, P.; Padovani, P.; Oikonomou, Foteini; Glauch, T.; Paiano, S.; Resconi, E. (Peer reviewed; Journal article, 2020)
      The uncertainty region of the highly energetic neutrino IceCube200107A includes 3HSP J095507.9+355101 (z = 0.557), an extreme blazar, which was detected in a high, very hard, and variable X-ray state shortly after the ...
    • The 3rd ESTRO-EFOMP core curriculum for medical physics experts in radiotherapy 

      Garibaldi, Cristina; Essers, Marion; Heijmen, Ben; Bertholet, Jenny; Koutsouveli, Efi; Schwarz, Marco; Bert, Christoph; Bodale, Marin; Casares-Magaz, Oscar; Gerskevitch, Eduard; Koniarova, Irena; Korreman, Stine; Lisbona, Albert; Lopez Medina, Antonio; Maas, Ad; Moeckli, Raphaël; Moore, Margaret; Petrovic, Borislava; Piotrowski, Tomasz; Poli, Esmeralda; Prezado, Yolanda; Reynaert, Nick; Redalen, Kathrine; Stylianou Markidou, Erato; Verellen, Dirk; Jornet, Nuria; Clark, Catharine H. (Peer reviewed; Journal article, 2022)
      Purpose To update the 2011 ESTRO-EFOMP core curriculum (CC) for education and training of medical physics experts (MPE)s working in radiotherapy (RT), in line with recent EU guidelines, and to provide a framework for ...
    • 3α,7-Dihydroxy-14(13→12)abeo-5β,12α(H),13β(H)-cholan-24-oic Acids Display Neuroprotective Properties in Common Forms of Parkinson’s Disease 

      Luxenburger, Andreas; Clemmens, Hannah; Hastings, Christopher; Harris, Lawrence D.; Ure, Elizabeth M.; Cameron, Scott A.; Aasly, Jan; Bandmann, Oliver; Weymouth-Wilson, Alex; Furneaux, Richard H.; Mortiboys, Heather (Peer reviewed; Journal article, 2023)
      Parkinson’s Disease is the most common neurodegenerative movement disorder globally, with prevalence increasing. There is an urgent need for new therapeutics which are disease-modifying rather than symptomatic. Mitochondrial ...
    • 40CrMoV13.9 notched specimens under multiaxial fatigue: An overview of recent results 

      Razavi, Seyed Mohammed Javad; Peron, Mirco; Torgersen, Jan; Berto, Filippo; Welo, Torgeir (Journal article; Peer reviewed, 2017)
      The multiaxial fatigue strength of circumferentially V-notched and semicircular notched specimens made of 40CrMoV13.9 has been investigated in this paper. The multiaxial load were applied using combined tension and torsion ...