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Ara es mostren els items 5499-5518 de 245842

    • A new instability mechanism related to high-angle waves 

      Falqués Serra, Albert; Kakeh Burgada, Nabil; Calvete Manrique, Daniel (2018-06-27)
      Article
      Accés obert
      Waves with a large incidence angle in deep water can drive a morphodynamic instability on a sandy coast whereby shoreline sand waves, cuspate forelands, and spits can emerge. This instability is related to bathymetric ...

    • A new integral management model and evaluation method to enhance sustainability of renewable energy projects for energy and sanitation services 

      Lillo, Pau; Ferrer Martí, Laia; Fernández-Baldor, Álvaro; Ramírez, Benito (2015)
      Article
      Accés obert
      Autonomous systems based on the use of renewable energy (RE) have proven suitable for providing energy and sanitation services to isolated communities. However, most of these projects fail due to managerial weaknesses. ...

    • A new interior-point approach for large separable convex quadratic two-stage stochastic problems 

      Castro Pérez, Jordi; Lama Zubirán, Paula de la (2020-11-03)
      Article
      Accés obert
      Two-stage stochastic models give rise to very large optimization problems. Several approaches havebeen devised for efficiently solving them, including interior-point methods (IPMs). However, usingIPMs, the linking columns ...

    • A new interior-point approach for large two-stage stochastic problems 

      Castro Pérez, Jordi; Lama Zubirán, Paula de la (2020-04)
      Report de recerca
      Accés obert
      Two-stage stochastic models give rise to very large optimization problems. Several approaches havebeen devised for efficiently solving them, including interior-point methods (IPMs). However, usingIPMs, the linking columns ...

    • A new intermediate polymorph of 1-fluoro-adamantane and its second-order-like transition toward the low temperature phase 

      Yuan, Lina; Clevers, Simon; Burel, Antoine; Negrier, Philippe; Barrio Casado, María del; Ben Hassine, Bacem; Mondieig, Denise; Dupray, Valérie; Tamarit Mur, José Luis; Coquerel, Gerard (2017-06-07)
      Article
      Accés obert
      Phase transitions of 1-fluoro-adamantane have been thoroughly investigated by temperature-resolved second harmonic generation (TR-SHG) and X-ray powder diffraction (XRPD). A new polymorph - an intermediate centrosymmetric ...

    • A new interpretation of the global tracking algorithm in the context of the strong discontinuity approach 

      Riccardi, F.; Richard, B. (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      The numerical simulation of two-dimensional fracture processes of quasi-brittle materials by means of the Embedded Finite Element Method is dealt with. The attention is paid to the coupling with the global crack-tracking ...

    • A new ion cyclotron range of frequency scenario for bulk ion heating in deuterium-tritium plasmas: How to utilize intrinsic impurities in our favour 

      Kazakov, Ye O.; Ongena, Jozef; Van Eester, Dirk; Bilato, Roberto; Dumont, Rémi J.; Lerche, Ernesto A.; Mantsinen, Mervi; Messiaen, André M. (American Institute of Physics Publising LLC, 2015-08-24)
      Article
      Accés obert
      A fusion reactor requires plasma pre-heating before the rate of deuterium-tritium fusion reactions becomes significant. In ITER, radiofrequency (RF) heating of He ions, additionally puffed into the plasma, is one of the ...

    • A new kernelized associative memory and some of its applications 

      Saltz, Matthew; Belanche Muñoz, Luis Antonio (IOS Press, 2016)
      Text en actes de congrés
      Accés obert
      The classical Bidirectional Associative Memory (BAM) allows for the storage of pairs of vectors, such that when either member of the pair is presented to the BAM, the other member may be successfully recalled. This work ...

    • A new kind of type I supernovae? 

      Isern Vilaboy, Jordi; Bravo Guil, Eduardo; Domínguez, Inmaculada (Istituto Nazionale di Astrofisica, 2000-12)
      Article
      Accés obert
      In this paper we examine the consequences of the propagation of a slow deflagration front through a C-0 white dwarf that leads to the formation of a marginally bound remnant. This situation corresponds to the transition ...

    • A new labeling construction from the -product 

      López Masip, Susana Clara; Muntaner Batle, Francesc Antoni; Prabu, M. (2017-08-01)
      Article
      Accés obert
      The ¿h-product that is referred in the title was introduced in 2008 as a generalization of the Kronecker product of digraphs. Many relations among labelings have been obtained since then, always using as a second factor a ...

    • A new laboratory radio frequency identification (RFID) system for behavioural tracking of marine organisms 

      Sardà Amills, Francesc; Aguzzi, Jacopo; Sbragaglia, Valerio; Sarriá Gandul, David; García, José Antonio; Costa, Corrado; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Menesatti, Paolo (2011-10-11)
      Article
      Accés obert
      Radio frequency identification (RFID) devices are currently used to quantify several traits of animal behaviour with potential applications for the study of marine organisms. To date, behavioural studies with marine ...

    • A new language is born 

      Mcgloin, Patrick (Centre de Política de Sòl i Valoracions, 2004-09)
      Text en actes de congrés
      Accés obert

    • A New learning experience: voluntary preparatory course for the bachelor’s degree in engineering 

      Botey Cumella, Muriel; Alcaraz, Olga (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2012-03)
      Article
      Accés obert
      This paper reports on a new experience carried out at school associated with the Technical University of Catalonia, Universitat Politècnica de Catalunya (UPC) in September 2010. The aim is to describe the organization, ...

    • A new least-squares approximation of affine mappings for sweep algorithms 

      Roca Navarro, Francisco Javier; Sarrate Ramos, Josep; Huerta, Antonio (2010-06)
      Article
      Accés obert
      This paper presents a new algorithm to generate hexahedral meshes in extrusion geometries. Several algorithms have been devised to generate hexahedral meshes by projecting the cap surfaces along a sweep path. In all of ...

    • A new life for the Battersea Power Station in London 

      Shumkov, Ivan (Universitat Politècnica de Catalunya y Cátedra Blanca de Barcelona, 2023)
      Article
      Accés obert
      The article explores the redevelopment of the iconic Battersea Power Station, which was originally built between 1929-1955 to provide energy to London from burning coal. 30 years after it its closure, it now brings a new ...

    • A new look at the conditions for the synthesis of speed-independent circuits 

      Pastor Llorens, Enric; Cortadella, Jordi; Roig Mansilla, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 1995)
      Text en actes de congrés
      Accés obert
      This paper presents a set of sufficient conditions for the gate-level synthesis of speed-independent circuits when constrained to a given class of gate library. Existing synthesis methodologies are restricted to architectures ...

    • A new lossless orthogonal simplification method for 3D objects based on bounding structures 

      Cruz Matías, Irving Alberto; Ayala Vallespí, M. Dolors (2014-07)
      Article
      Accés restringit per política de l'editorial
      This paper presents a new approach to simplify 3D binary images and general orthogonal pseudo-polyhedra (OPP). The method is incremental and produces a level-of-detail sequence of OPP, where any object of this sequence ...

    • A new lower bound on the maximum number of plane graphs using production matrices 

      Huemer, Clemens; Pilz, Alexander; Silveira, Rodrigo Ignacio (2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      We use the concept of production matrices to show that there exist sets of n points in the plane that admit ¿(41.77n) crossing-free geometric graphs. This improves the previously best known bound of ¿(41.18n) by Aichholzer ...

    • A new lower bound on the maximum number of plane graphs using production matrices 

      Huemer, Clemens; Pilz, Alexander; Silveira, Rodrigo Ignacio (2019-11-01)
      Article
      Accés obert
      We use the concept of production matrices to show that there exist sets of n points in the plane that admit ¿(42.11n ) crossing-free geometric graphs. This improves the previously best known bound of ¿(41.18n ) by Aichholzer ...

    • A new LPF-based grid frequency estimation for the SOGI filter with improved harmonic rejection 

      Matas Alcalá, José; Martín Cañadas, María Elena; El Mariachet Carreño, Jordi; Abusorrah, A.; Al-Turki, Y.A. (2018)
      Comunicació de congrés
      Accés obert
      This paper proposes a new method for the estimation of the grid voltage frequency using a low-pass filter (LPF) approach. The estimated frequency is used to tune a second order generalized integrator (SOGI) filter commonly ...