• Fast Decorrelating Monte Carlo Moves for Efficient Path Sampling 

      Riccardi, Enrico; Dahlen, Oda; van Erp, Titus Sebastiaan (Journal article; Peer reviewed, 2017)
      Many relevant processes in chemistry, physics, and biology are rare events from a computational perspective as they take place beyond the accessible time scale of molecular dynamics (MD). Examples are chemical reactions, ...
    • Fast divergence-conforming reduced basis methods for stationary and transient flow problems 

      Fonn, Eivind; van Brummelen, Harald; Kvamsdal, Trond; Rasheed, Adil (Peer reviewed; Journal article, 2020)
      Reduced basis methods (RB methods or RBMs) form one of the most promising techniques to deliver numerical solutions of parametrized PDEs in real-time with reasonable accuracy [1]. For the Navier-Stokes equation, RBMs based ...
    • Fast divergence-conforming reduced basis methods for steady Navier–Stokes flow 

      Fonn, Eivind; Brummelen, Harald van; Kvamsdal, Trond; Rasheed, Adil (Journal article; Peer reviewed, 2018)
      Reduced-basis methods (RB methods or RBMs) form one of the most promising techniques to deliver numerical solutions of parametrized PDEs in real-time with reasonable accuracy. For incompressible flow problems, RBMs based ...
    • Fast Economic Model Predictive Control for a Gas Lifted Well Network 

      Suwartadi, Eka; Krishnamoorthy, Dinesh; Jaeschke, Johannes (Journal article; Peer reviewed, 2018)
      This paper considers the optimal operation of an oil and gas production network by formulating it as an economic nonlinear model predictive control (NMPC) problem. Solving the associated nonlinear program (NLP) can be ...
    • Fast food increases postprandial cardiac workload in type 2 diabetes independent of pre-exercise: A pilot study 

      Hollekim-Strand, Siri Marte; Malmo, Vegard; Follestad, Turid; Wisløff, Ulrik; Ingul, Charlotte Bjørk (Journal article; Peer reviewed, 2015)
      Background Type 2 diabetes aggravates the postprandial metabolic effects of food, which increase cardiovascular risk. We investigated the acute effects of fast food on postprandial left ventricular (LV) function and the ...
    • Fast forward to the past? Popular-song-translation communities as spaces for language acquisition and learning. 

      Greenall, Annjo Klungervik (Journal article; Peer reviewed, 2017)
      This paper takes as its point of departure previous decades’ marginalization of translation as a component in formal language teaching and learning, looking at various ways in which information technology provides the means ...
    • Fast hydrothermal liquefaction of native and torrefied wood 

      Tran, Khanh-Quang; Klemsdal, Aksel Junge; Zhang, Wennan; Sandquist, Judit; Wang, Liang; Skreiberg, Øyvind (Journal article; Peer reviewed, 2017)
      The work presented in this paper aimed to examine the effect of heating rate on the bio-crude yield of wood hydrothermal liquefaction. Three different heating methods were developed, resulting in heating rates ranging from ...
    • Fast hyperbaric decompression after heliox saturation altered the brain proteome in rats 

      Bjørkum, Alvhild Alette; Oveland, Eystein; Stuhr, Linda Elin Birkhaug; Havnes, Marianne Bjordal; Berven, Frode; Grønning, Marit; Hope, Arvid (Journal article; Peer reviewed, 2017)
      Better understanding of the physiological mechanisms and neurological symptoms involved in the development of decompression sickness could contribute to improvements of diving procedures. The main objective of the present ...
    • Fast onboard detection of ice drift changes under stationkeeping in ice 

      Heyn, Hans-Martin; Skjetne, Roger (Peer reviewed; Journal article, 2022)
      Early detection of ice drift changes is essential for safe stationkeeping in ice-infested waters. This paper presents a conceptual system allowing onboard detection of ice drift changes in managed and unmanaged ice using ...
    • Fast protection against islanding and unwanted tripping of distributed generation caused by ground faults 

      Pandakov, Konstantin; Hoidalen, Hans Kristian; Marvik, Jorun Irene (Chapter, 2017)
      Ground faults (GF) in a feeder with interconnected distributed generation (DG) might lead to overvoltages in healthy phases even after feeder disconnection from a substation, obstacles for reclosing schemes, and safety ...
    • A fast semi-analytical method for propagating leaky Lamb wavefields 

      Arnestad, Håvard Kjellmo; Viggen, Erlend Magnus (Chapter, 2021)
      A fast method is presented for calculating the wavefields from initialized leaky Lamb waves on plates immersed in sufficiently light fluids. The method works by precomputing the dispersion relation and attenuation, and ...
    • Fast Sensitivity-Based Nonlinear Economic Model Predictive Control with Degenerate NLP 

      Suwartadi, Eka; Jäschke, Johannes (Journal article; Peer reviewed, 2018)
      We present a fast sensitivity-based nonlinear model predictive control (NMPC) algorithm, that can handle non-unique multipliers in the discretized dynamic optimization problem. Non-unique multipliers may arise, for example ...
    • Fast synchronization-free algorithms for parallel sparse triangular solves with multiple right-hand sides 

      Liu, Weifeng; Li, Ang; Hogg, Jonathan D; Duff, Iain S; Vinter, Brian (Journal article, 2017)
      The sparse triangular solve kernels, SpTRSV and SpTRSM, are important building blocks for a number of numerical linear algebra routines. Parallelizing SpTRSV and SpTRSM on today's manycore platforms, such as GPUs, is not ...
    • Fast transition from pump to turbine mode of operation 

      Svarstad, Magni Fjørtoft; Nielsen, Torbjørn Kristian (Journal article; Peer reviewed, 2018)
      The reversible pump turbine (RPT) is a suitable machine to control fluctuations in the energy market. The usage of RPTs for this purpose will increase the number of operational mode changes of the machine. In order to ...
    • Fast Well Control Optimization with Two-Stage Proxy Modeling 

      Ng, Cuthbert Shang Wui; Jahanbani Ghahfarokhi, Ashkan; Wiranda, Wilson (Peer reviewed; Journal article, 2023)
      Waterflooding is one of the methods used for increased hydrocarbon production. Waterflooding optimization can be computationally prohibitive if the reservoir model or the optimization problem is complex. Hence, proxy ...
    • A fast, low temperature synthesis method for hexagonal YMnO3: Kinetics, purity, size and shape as studied by in situ X-ray diffraction 

      Marshall, Kenneth; Blichfeld, Anders Bank; Skjærvø, Susanne Linn; Grendal, Ola Gjønnes; Van Beek, Wouter; Selbach, Sverre Magnus; Grande, Tor; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2020)
      The reaction mechanisms, phase development and kinetics of the hydrothermal synthesis of hexagonal‐YMnO3 from Y2O3 and Mn2O3 using in situ X‐ray diffraction are reported under different reaction conditions with temperatures ...
    • A fast, low-cost, robust and high-throughput method for viral nucleic acid isolation based on NAxtra magnetic nanoparticles 

      Ravlo, Erlend; Sousa, Mirta; Andresen, Lise Lima; Holberg-Petersen, Mona; Klundby, Ingvild; Aas, Per Arne; Hagen, Lars; Erlandsen, Sten Even; Fossum, Janne; Ali, Zeeshan; Sharma, Anuvansh; Ottesen, Vegar; Bandyopadhyay, Sulalit; Bjørås, Magnar (Peer reviewed; Journal article, 2023)
      The year of 2020 was profoundly marked by a global pandemic caused by a strain of coronavirus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiological agent of coronavirus disease 2019 (COVID-19). ...
    • Fast-FineCut: Grain boundary detection in microscopic images considering 3D information 

      Ma, Boyuan; Ban, Xiaojuan; Su, Ya; Liu, Chuni; Wang, Hao; Xue, Weihua; Zhi, Yonghong; Wu, Di (Peer reviewed; Journal article, 2018)
      The inner structure of a material is called its microstructure. It stores the genesis of a material and determines all the physical and chemical properties. However, the microstructure is highly complex and numerous image ...
    • Faster, broader, and deeper! Suggested directions for research on net-zero transitions 

      Andersen, Allan Dahl; Geels, Frank Willem; Coenen, Lars Martel Antoine; Hanson, Jens; Korsnes, Marius; Linnerud, Kristin; Mäkitie, Tuukka; Nordholm, Amber Joy; Ryghaug, Marianne; Skjølsvold, Tomas Moe; Steen, Markus; Wiebe, Kirsten Svenja (Peer reviewed; Journal article, 2023)
      The growing attention to the political goal of achieving net-zero emissions by mid-century reflects past failures to alter the trajectory of increasing greenhouse gas (GHG) emissions. As a consequence, the world now needs ...
    • Fastlegen kan behandle allergi med immunterapi 

      Østrem, Anders; Øien, Torbjørn (Peer reviewed; Journal article, 2021)