Now showing items 64341-64360 of 115786

  • Large event traces in parallel performance analysis. 

    Wolf, Felix; Freitag, Fèlix; Mohr, Bernd; Moore, Shirley; Wylie, Brian J. N. (Springer Verlag, 2006)
    Conference report
    Open Access
    A powerful and widely-used method for analyzing the performance behavior of parallel programs is event tracing. When an application is traced, performancerelevant events, such as entering functions or sending messages, ...
  • Large format 3D printer and smart material evaluation for Start-Ups 

    Nebra Riera, Norbert; Mestres Mairal, David (Universitat Politècnica de Catalunya, 2015-10-16)
    Master thesis
    Restricted access - author's decision
    The objective of this project is to evaluate new smart materials (flexible and conductive) and to develop a new large format 3D printer based on Open Source and Open Hardware components.
  • Large graphs of diameter two and given degree 

    Širáň, Jozef; Siagiová, Jana; Ždímalová, Mária (Iniciativa Digital Politècnica, 2011)
    Conference report
    Open Access
    Let r(d, 2), C(d, 2), and AC(d, 2) be the largest order of a regular graph, a Cayley graph, and a Cayley graph of an Abelian group, respectively, of diameter 2 and degree d. The best currently known lower bounds on these ...
  • Large linear anhysteretic magnetoelectric voltage coeficients in CoFe2O4/polyvinylidene ¿uoride 0–3 nanocomposites 

    Martins, Pedro; Moya, Xavier; Caparrós Vázquez, Cristina Maria; Fernández González, Javier; Mathur, N.D.; Lanceros Méndez, Senentxu (2013-07-06)
    Article
    Restricted access - publisher's policy
    Free-standing flexible magnetoelectric 0–3 composite films comprising CoFe2O4 non-spherical ferromagnetic nanoparticles with strong magnetic anisotropy in soft polyvinylidene fluoride matrices with significant void ratios ...
  • Large-memory nodes for energy efficient high-performance computing 

    Zivanovic, Darko; Radulovic, Milan; Llort, German; Zaragoza, David; Strassburg, Janko; Carpenter, Paul M.; Radojkovic, Petar; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2016)
    Conference report
    Open Access
    Energy consumption is by far the most important contributor to HPC cluster operational costs, and it accounts for a significant share of the total cost of ownership. Advanced energy-saving techniques in HPC components have ...
  • Large neighborhood search for the most strings with few bad columns problem 

    Lizárraga Olivas, Evelia; Blesa Aguilera, Maria Josep; Blum, Christian; Raidl, Günther (Springer, 2016-10-06)
    Article
    Open Access
    In this work, we consider the following NP-hard combinatorial optimization problem from computational biology. Given a set of input strings of equal length, the goal is to identify a maximum cardinality subset of strings ...
  • Large neighbourhood search algorithms for the founder sequence reconstruction problem 

    Roli, Andrea; Benedettini, Stefano; Stützle, Thomas; Blum, Christian (2012-02)
    Article
    Restricted access - publisher's policy
    The reconstruction of founder genetic sequences of a population is a relevant issue in evolutionary biology research. The problem consists in finding a biologically plausible set of genetic sequences (founders), which can ...
  • Large outdoor fires and the built environment: summary of kick-off workshop 

    Manzello, Samuel; McAllister, Sara; Suzuki, Sayaka; Blanchi, Raphaelle; Pastor Ferrer, Elsa; Ronchi, Enrico (2019-02-01)
    External research report
    Open Access
    The kickoff workshop of the new permanent working group, sponsored by the International Association for Fire Safety Science (IAFSS), entitled Large Outdoor Fires and the Built Environment was held from 3:00 pm to 4:30 pm ...
  • Larger absolute photonic bandgap in two-dimensional air-silicon structures 

    Marsal, L F; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Pallarés, J; Alcubilla González, Ramón (2003-05)
    Article
    Restricted access - publisher's policy
    We investigate different aspects of the absolute photonic band gap (PBG) formation for two-dimensional photonic crystals, consisting of air rods drilled into silicon. Specifically, square lattices of square and circular ...
  • Large scale air pollution estimation method combining land use regression and chemical transport modeling in a geostatistical framework 

    Akita, Yasuyuki; Baldasano Recio, José María; Beelen, Rob M. J.; Cirach, Marta; De Hoogh, Kees; Hoek, Gerard; Nieuwenhuijsen, Mark J.; Serre, Marc L.; De Nazelle, Audrey (2014-04-15)
    Article
    Open Access
    In recognition that intraurban exposure gradients may be as large as between-city variations, recent air pollution epidemiologic studies have become increasingly interested in capturing within-city exposure gradients. In ...
  • Large scale battery systems in distribution grids 

    Resch, Matthias (Universitat Politècnica de Catalunya, 2019-01-31)
    Doctoral thesis
    Open Access
    The increasing integration of renewable energy installations at the distribution grid level has led to a strong increase in grid reinforcement measures in recent years. Since the costs are being passed on to the general ...
  • Large-scale biogeography of marine pelagic bacteria and archaea 

    Salazar Guiral, Guillem (Universitat Politècnica de Catalunya, 2019-02-15)
    Doctoral thesis
    Open Access
    The dark ocean contains about 70% of the ocean’s microbial cells and 60% of its heterotrophic activity, which is mainly fueled by the flux of organic particles produced in the surface ocean and exported to the bathypelagic ...
  • Large-scale CFD simulations of the transitional and turbulent regime for the large human airways during rapid inhalation 

    Calmet, Hadrien; Gambaruto, Alberto M.; Bates, Alister J.; Vázquez, Mariano; Houzeaux, Guillaume; Doorly, Denis J. (Elsevier, 2016-02-01)
    Article
    Open Access
    The dynamics of unsteady flow in the human large airways during a rapid inhalation were investigated using highly detailed large-scale computational fluid dynamics on a subject-specific geometry. The simulations were ...
  • Large scale content-based video retrieval with LIvRE 

    de Oliveira Barra, Gabriel; Lux, Mathias; Giró Nieto, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference lecture
    Restricted access - publisher's policy
    The fast growth of video data requires robust, efficient, and scalable systems to allow for indexing and retrieval. These systems must be accessible from lightweight, portable and usable interfaces to help users in management ...
  • Large-scale dynamics of sandy coastlines: diffusivity and instability 

    Falqués Serra, Albert; Calvete Manrique, Daniel (2005-03)
    Article
    Open Access
    The dynamics of small-amplitude perturbations of an otherwise rectilinear coastline due to the wave-driven alongshore sediment transport is examined at large time and length scales (years and kilometers). A linear stability ...
  • Large-scale dynamo mechanism in nonhelical MHD: Energy transfers vs. alpha dynamo 

    Verma, M.; Kumar, R. (Universitat Politècnica de Catalunya, 2016-06-27)
    Conference report
    Open Access
  • Large scale fast time simulation platform topic 

    García Moreno, Javier (Universitat Politècnica de Catalunya, 2015-09-07)
    Bachelor thesis
    Open Access
    This report presents design principles and algorithms for building a fast-time scheduler of arrival aircraft based on a FCFS (first-come-first-served) scheduling protocol and non FCFS. The algorithms provide the conceptual ...
  • Large scale finite element solvers for the large eddy simulation of incompressible turbulent flows 

    Colomés Gené, Oriol (Universitat Politècnica de Catalunya, 2016-03-31)
    Doctoral thesis
    Open Access
    In this thesis we have developed a path towards large scale Finite Element simulations of turbulent incompressible flows. We have assessed the performance of residual-based variational multiscale (VMS) methods for the ...
  • Large-scale graph processing and applications 

    Zengxiang Li, Shawn (Barcelona Supercomputing Center, 2017-09-10)
    Conference report
    Open Access
    In the Big Data era, graph processing has been widely used to represent complex system structure, capture data dependency and uncover relationship insights. Due to the ever-growing graph scale and algorithm complexity, ...
  • Large Scale Heat Pump Installation Effects on the Interaction between Buildings and the Electric Grid 

    Maayan Tardif, Jalomi (Universitat Politècnica de Catalunya, 2018-09-17)
    Master thesis
    Open Access
    In the past years Heat Pumps (HP s ) have experienced significant growth rates , and this electrification of residential heating could contribute to decarbonizing the energy sector in many countries, as well as provide ...