Enviaments recents

  • Optimizing Fully Anisotropic Elastic Propagation on 2nd Generation Intel Xeon Phi Processors 

    Farres, Albert; Duran, A.; Rosas, Claudia; Hanzich, Mauricio; Yount, C.; Fernandez, S. (2017-06-12)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    This work shows several optimization strategies evaluated and applied to an elastic wave propagation engine, based on a Fully Staggered Grid, running on the latest Intel Xeon Phi processors, the second generation of the ...
  • Three-Dimensional CSEM Modelling on Unstructured Tetrahedral Meshes Using Edge Finite Elements 

    Castillo-Reyes, Octavio; de la Puente, Josep; Cela, Jose M. (Springer International Publishing, 2017-04-29)
    Comunicació de congrés
    Accés obert
    The last decade has been a period of rapid growth for electromagnetic methods (EM) in geophysics, mostly because of their industrial adoption. In particular, the marine controlled-source electromagnetic method (CSEM) has ...
  • Performance Evaluation of Multiple Cloud Data Centers Allocations for HPC 

    Roloff, Eduardo; Carreño, Emmanuell D.; Valverde-Sanchez, Jimmy K.M.; Diener, Matthias; Serpa, Matheus da Silva; Houzeaux, Guillaume; Schnorr, Lucas M.; Maillard, Nicolas; Gaspary, Luciano P.; Navaux, Philippe (Springer International Publishing, 2017-04-29)
    Comunicació de congrés
    Accés obert
    This paper evaluates the behavior of the Microsoft Azure G5 cloud instance type over multiple Data Centers. The purpose is to identify if there are major differences between them and to help the users choose the best option ...
  • Study of the Wall Thermal Condition Effect in a Lean-Premixed Downscaled Can Combustor Using Large-Eddy Simulation 

    Mira, Daniel; Vázquez, Mariano; Houzeaux, Guillaume; Gövert, Simon; Kok, Jim W.B.; Mahiques, E.I.; Panek, Lukasz (American Society of Mechanical Engineers, 2016-06-13)
    Comunicació de congrés
    Accés obert
    The primary purpose of this study is to evaluate the ability of LES, with a turbulent combustion model based on steady flamelets, to predict the flame stabilization mechanisms in an industrial can combustor at full load ...
  • Radiation-Induced Error Criticality in Modern HPC Parallel Accelerators 

    Oliveira, Daniel; Pilla, Laercio; Hanzich, Mauricio; Fratin, Vinicius; Fernandes, Fernando; Lunardi, Caio; Cela, Jose M.; Navaux, Philippe; Carro, Luigi; Rech, Paolo (2016-03)
    Comunicació de congrés
    Accés obert
    In this paper, we evaluate the error criticality of radiation-induced errors on modern High-Performance Computing (HPC) accelerators (Intel Xeon Phi and NVIDIA K40) through a dedicated set of metrics. We show that, as long ...
  • Non-linear MHD Simulation s of Pellet Triggered ELMs in JET and ASDEX Upgrade tokamaks 

    Futatani, Shimpei; Pamela, S.; Huijsmans, G.T.A.; Garzotti, L.; Frigione, D.; Loarte, D.; Hoelzl, M.; Lang, P.T.; Kocsis, G.; Orain, F.; Dunne, M.; Lessig, A.; Mantsinen, Mervi; EUROfusion MST1 Team; ASDEX Upgrade Team; JET Contributors (2016-07-08)
    Accés obert
    ITER operation in its high fusion performance DT scenarios relies on the achievement of the H-mode confinement regime, which is expected to lead to the quasi-periodic triggering of ELMs (Edge Localized Modes). ...
  • Improving edge finite element assembly for geophysical electromagnetic modelling on shared-memory architectures 

    Castillo-Reyes, Octavio; de la Puente, Josep; Cela, Jose M. (IEE, 2016-12-12)
    Text en actes de congrés
    Accés obert
    This work presents a set of node-level optimizations to perform the assembly of edge finite element matrices that arise in 3D geophysical electromagnetic modelling on shared-memory architectures. Firstly, we describe the ...
  • Enhancing Energy Production with Exascale HPC Methods 

    Camata, José J.; Cela, José M.; Costa, Danilo; Coutinho, Alvaro LGA; Fernández-Galisteo, Daniel; Jiménez, Carmen; Kourdioumov, Vadim; Mattoso, Marta; Mayo-García, Rafael; Miras, Thomas; Moríñigo, José A.; Navarro, Jorge; Navaux, Philippe O.A.; Oliveira, Daniel de; Rodríguez-Pascual, Manuel; Silva, Vítor; Souza, Renan; Valduriez, Patrick (2016)
    Comunicació de congrés
    Accés obert
    High Performance Computing (HPC) resources have become the key actor for achieving more ambitious challenges in many disciplines. In this step beyond, an explosion on the available parallelism and the use of special ...
  • Implicit large-eddy simulation of compressible flows using the Interior Embedded Discontinuous Galerkin method 

    Fernandez, P.; Nguyen, N.C.; Roca, Xevi; Peraire, J. (2016)
    Comunicació de congrés
    Accés obert
    We present a high-order implicit large-eddy simulation (ILES) approach for simulating transitional turbulent flows. The approach consists of an Interior Embedded Discontinuous Galerkin (IEDG) method for the discretization ...
  • Applying future Exascale HPC methodologies in the energy sector 

    Camata, José J.; Cela, José M.; Costa, Danilo; Coutinho, Alvaro LGA; Fernández-Galisteo, Daniel; Jiménez, Carmen; Kourdioumov, Vadim; Mattoso, Marta; Mayo-García, Rafael; Miras, Thomas; Moríñigo, José A.; Navarro, Jose; Oliveira, Daniel de; Rodríguez-Pascual, Manuel; Silva, Vítor; Souza, Renan; Valduriez, Patrick (2016-09-26)
    Comunicació de congrés
    Accés obert
    The appliance of new exascale HPC techniques to energy industry simulations is absolutely needed nowadays. In this sense, the common procedure is to customize these techniques to the specific energy sector they are of ...

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