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Ara es mostren els items 3537-3556 de 245785

    • A cost-benefit analysis of continuous assessment 

      Duch Brown, Amalia; Gabarró Vallès, Joaquim; Petit Silvestre, Jordi; Blesa Aguilera, Maria Josep; Serna Iglesias, María José (SciTePress, 2015)
      Text en actes de congrés
      Accés obert
      The first course on programming is fundamental in the Facultat d’Informàtica de Barcelona. After a major redesign of the Programming-1 course in 2006 to give it a more practical flavor, an increasing number of measures ...

    • A cost-benefit analysis of the COVID-19 asymptomatic mass testing strategy in the north metropolitan area of Barcelona 

      Català Sabaté, Martí; Clotet, Bonaventura; López Seguí, Francesc; Estrada Cuxart, Oriol; Mitjà i Villar, Oriol; Hernández Guillamet, Guillem; Prat Gil, Núria; Bonet Simó, Josep Maria; Isnard Blanchar, Mar; Moreno Millán, Nemesio; Blanco Guillermo, Ignasi; Vilar Capella, Marc; Aran Solé, Anna; Argimon Pallàs, Josep Maria; Ara del Rey, Jordi (2021-06-30)
      Article
      Accés obert
      Background: The epidemiological situation generated by COVID-19 has highlighted the importance of applying non-pharmacological measures in the management of the epidemic. Mass screening of the asymptomatic general population ...

    • A cost-effective approach for developing application-control GUIs for virtual environments 

      Andújar Gran, Carlos Antonio; Fairén González, Marta; Argelaguet Sanz, Fernando (2006-03)
      Comunicació de congrés
      Accés obert
      In this paper we present a new approach for fast development of application-control User Interfaces (UIs) for Virtual Environments (VEs). Our approach allows developers to build sophisticated UIs containing both simple ...

    • A cost-effective clustered architecture 

      Canal Corretger, Ramon; Parcerisa Bundó, Joan Manuel; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Text en actes de congrés
      Accés obert
      In current superscalar processors, all floating-point resources are idle during the execution of integer programs. As previous works show, this problem can be alleviated if the floating-point cluster is extended to execute ...

    • A cost-efficient QoS-aware analytical model of future software content delivery networks 

      Otero Calviño, Beatriz; Rodríguez Luna, Eva; Rojas, Otilio; Verdú Mulà, Javier; Costa Prats, Juan José; Pajuelo González, Manuel Alejandro; Canal Corretger, Ramon (2021-07)
      Article
      Accés obert
      Freelance, part-time, work-at-home, and other flexible jobs are changing the concept of workplace, and bringing information and content exchange problems to companies. Geographically spread corporations may use remote ...

    • A cost-sensitive learning algorithm for fuzzy rule-based classifiers 

      Beck, Sebastian; Mikut, Ralf; Jäkel, Jens (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
      Article
      Accés obert
      Designing classifiers may follow different goals. Which goal to prefer among others depends on the given cost situation and the class distribution. For example, a classifier designed for best accuracy in terms of ...

    • A cost–benefit analysis of COVID-19 vaccination in Catalonia 

      López, Francesc; Català, Martí; Prats Soler, Clara; Estrada, Oriol; Oliva, Irene; Prats, Núria; Isnard, Mar; Vallès, Roser; Vilar, Marc; Clotet, Bonaventura; Argimon Pallàs, Josep Maria; Aran, Anna; Ara, Jordi (2021-12-31)
      Article
      Accés obert
      Background: In epidemiological terms, it has been possible to calculate the savings in health resources and the reduction in the health effects of COVID vaccines. Conducting an economic evaluation, some studies have ...

    • A cotangent bundle Hamiltonian tube theorem and its applications in reduction theory 

      Teixidó Román, Miguel (Universitat Politècnica de Catalunya, 2015-03-27)
      Tesi
      Accés obert
      The Marle-Guillemin-Sternberg (MGS) model is an extremely important tool for the theory of Hamiltonian actions on symplectic manifolds. It has been extensively used to prove many local results both in symplectic geometry ...

    • A count invariant for Lambek calculus with additives and bracket modalities 

      Valentín Fernández Gallart, José Oriol; Serret, Daniel; Morrill, Glyn (Springer-Verlag Berlin Heidelberg, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The count invariance of van Benthem (1991) is that for a sequent to be a theorem of the Lambek calculus, for each atom, the number of positive occurrences equals the number of negative occurrences. (The same is true ...

    • A coupled analysis of sloshing in floating structures by integrating moving particle semi-implicit (MPS) method with a time domain multibody dynamic analysis software 

      Tsukamoto, Marcio M.; Liang-Yee, Cheng; Paula da Luz, Fernando H.E. (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      Sloshing effects inside partially filled tanks on LNG carriers and FPSOs motions cannot be ignored. It is necessary to analyze the floating structures motion with the sloshing behavior simultaneously to obtain more accurate ...

    • A coupled and multi-scale fluid-structure interaction and mass transfer model for biofilm growth simulations 

      Coroneo, Mirella; Yoshihara, Lena; Wall, Wolfgang A. (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      The formation and development of different biofilm structures is known to be influenced by nutrients availability and flow conditions. For this reason an approach which takes in account the effect of local structure ...

    • A coupled damage-elastoplasticity approach for cemented soils 

      Alonso, Matías (Universitat Politècnica de Catalunya, 2019-06)
      Projecte Final de Màster Oficial
      Accés obert
      Granular materials may experiment a process of cementation either artificially, as, for example, in the case of cement treated earth, or resulting from natural processes as for instance carbonate or silicate deposition. ...

    • A coupled discrete-element model of fluid-saturated rock and the results of studying of the impact of a fluid on the shear strength of a rock under combined compression and shear 

      Dimaki, Andrey V.; Shilko, Evgeny V.; Psakhie, Sergey G. (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      Within a discrete-element model of a porous permeable elastic-plastic rock, filled with a fluid, we have studied the shear strength of a fractured interface zone (a shear band) between blocks of a geological medium subject ...

    • A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams 

      Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio; Rossi, Riccardo (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2012)
      Llibre
      Accés obert

    • A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams 

      Larese De Tetto, Antonia, (Universitat Politècnica de Catalunya, 2012-07-05)
      Tesi
      Accés obert
      Rockfill dams are nowadays often preferred over concrete dams because of their economic advantages, their flexible design and thank to the great advance achieved in geosciences and geomechanics. Unfortunately their behavior ...

    • A coupled fluid FEM-DEM technique for predicting blasting operations in tunnels 

      Zárate Araiza, José Francisco; González Lopez, Jose Manuel; Miquel Canet, Juan; Löhner, Rainald; Oñate Ibáñez de Navarra, Eugenio (2018-12)
      Article
      Accés obert
      We present recent developments in the coupling of the finite element method (FEM) and the discrete element method (DEM) for the analysis of rock blasting operations in tunnels. The coupled FEM-DEM technique has been proven ...

    • A coupled LSVOF-adaptive mesh refinement-moving mesh technique to study complex multiphase problems 

      Amani, Ahmad; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Begell House, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The Piecewise-Linear-Interface-Calculation (PLIC) reconstruction algorithm in the Volume-of-Fluid (VOF) method is widely used in numerical simulations of interfacial flows across various fields. However, a significant ...

    • A coupled macroscopic traffic and pollutant emission modelling system for Barcelona 

      Rodríguez Rey, Daniel; Guevara Vilardell, Marc; Linares Herreros, María Paz; Casanovas Garcia, Josep; Salmeron Moya, Juan; Soret Miravet, Albert; Jorba Casellas, Oriol; Tena Medina, Carles; Pérez García-Pando, Carlos (2021-03)
      Article
      Accés obert
      We present a coupled macroscopic traffic and emission modelling system tailored to the Barcelona metropolitan area that allows estimating hourly road transport emissions at road link level. We use the developed system to ...

    • A coupled mode – hp FEM for the hydroelastic analysis of shear-deformable floating bodies of general thickness in variable bathymetry 

      Belibassakis, K.A.; Athnassoulis, G.A.; Papathanasiou, T.K.; Filopoulos, S. (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      An efficient computational procedure is presented for the solution of coupled hydroelastic problems involving bodies of general thickness, floating over variable bathymetry regions. The problem is treated by the coupled ...

    • A coupled model of mechanical behaviour and water retention for unsaturated soils with double porosity 

      Koliji, Azad; Laloui, Lyesse; Vulliet, Laurant (CIMNE, 2011)
      Text en actes de congrés
      Accés obert
      Many natural soils and engineering geomaterials, such as aggregated soils and compacted clay pallets, exhibit two levels of porosity corresponding to the inter- and intraaggregate pores within their hierarchical structure. ...