Ara es mostren els items 1-20 de 29

  • 2013-2014 Severo Ochoa : Research Seminar Lectures at BSC : book of abstracts 

    Vázquez, Mariano; Goñi Macià, Ramon; Arís, Ruth; Jorba Casellas, Oriol; Schutgens, Nick; Kranzlmüller, Dieter; Schulz, Martin; Shi, Yong; Strassburg, Janko; Faraboschi, Paolo; Aguado Sierra, Jazmín; Saen-Oon, Suwipa; Walker, Ross C.; Cetto, Raul; Suzumura, Toyotaro; Di Tomaso, Enza; Patt, Yale; Zoppè, Monica; Jeannot, Emmanel; Klasky, Scott A. (Barcelona Super Computer Center. Education & Training team, 2014-08-05)
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  • A 3D-1D cardiac-vascular computational feedbacked model 

    Santiago, Alfonso; Vázquez, Mariano; Houzeaux, Guillaume; Aguado-Sierra, Jazmin; López, Mariña; Rivero, Matías; Blanco Sánchez, Pablo; Watanabe, Sansuke (Barcelona Supercomputing Center, 2015-05-05)
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    A first version of a cardiovascular coupled model is presented. The modelling tools are Alya, the BSC tool for biomechanical simulations; and ADAN55, the LNCC model of the arterial blood flow. The former solves the ...
  • A Chimera method for the incompressible Navier-Stokes equations 

    Houzeaux, Guillaume; Eguzkitza, Beatriz; Aubry, Romain; Owen, Herbert; Vázquez, Mariano (John Wiley & Sons, 2014-05-30)
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    The Chimera method was developed three decades ago as a meshing simplification tool. Different components are meshed independently and then glued together using a domain decomposition technique to couple the equations ...
  • A parallel coupled algorithm for the solution of deformable two-body contact problem 

    Rivero Almeida, José Miguel; Cajas, J.C.; Houzeaux, Guillaume; Vázquez, Mariano (Barcelona Supercomputing Center, 2015-05-05)
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    This work presents a parallel iterative method for numerical solving frictionless contact problem for two elastic bodies. Each iterative step consists of a Dirichlet problem for the one body and a Neumann problem for ...
  • A parallel finite-element method for three-dimensional controlled-source electromagnetic forward modelling 

    Puzyrev, Vladimir; Koldan, Jelena; de la Puente, Josep; Houzeaux, Guillaume; Vázquez, Mariano; Cela, José M. (Wiley-Blackwell, 2013-02-18)
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    We present a nodal finite-element method that can be used to compute in parallel highly accurate solutions for 3-D controlled-source electromagnetic forward modeling problems in anisotropic media. Secondary coupled-potential ...
  • A Review of Element-Based Galerkin Methods for Numerical Weather Prediction: Finite Elements, Spectral Elements, and Discontinuous Galerkin 

    Marras, Simone; Kelly, James F.; Moragues, Margarida; Müller, Andreas; Kopera, Michal A.; Vázquez, Mariano; Giraldo, Francis X.; Houzeaux, Guillaume; Jorba, Oriol (Springer, 2015-05-19)
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    Numerical weather prediction (NWP) is in a period of transition. As resolutions increase, global models are moving towards fully nonhydrostatic dynamical cores, with the local and global models using the same governing ...
  • A variational multiscale stabilized finite element method for the solution of the Euler equations of nonhydrostatic stratified flows 

    Marras, Simone; Moragues, Margarida; Vázquez, Mariano; Jorba Casellas, Oriol; Houzeaux, Guillaume (2013-03-01)
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    We present a compressible version of the variational multiscale stabilization (VMS) method applied to the finite element (FE) solution of the Euler equations for nonhydrostatic stratified flows. This paper is meant to ...
  • Alya: Computational Solid Mechanics for Supercomputers 

    Casoni Rero, Eva; Jérusalem, Antoine; Samaniego, Cristóbal; Eguzkitza, Beatriz; Lafortune, Pierre; Tjahjanto, Denny; Sáez, Xavier; Houzeaux, Guillaume; Vázquez, Mariano (Springer, 2014-08-13)
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    While solid mechanics codes are now conventional tools both in industry and research, the increasingly more exigent requirements of both sectors are fuelling the need for more computational power and more advanced algorithms. ...
  • Alya: Multiphysics engineering simulation toward exascale 

    Vázquez, Mariano; Houzeaux, Guillaume; Koric, Seid; Artigues, Antoni; Aguado Sierra, Jazmin; Arís Sánchez, Ruth; Mira, Daniel; Calmet, Hadrien; Cucchietti, Fernando; Owen, Herbert; Taha, Ahmed; Dering Burness, Evan; Cela Espín, José M.; Valero Cortés, Mateo (Elsevier, 2016-05)
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    Accés restringit per política de l'editorial
    Alya is a multi-physics simulation code developed at Barcelona Supercomputing Center (BSC). From its inception Alya code is designed using advanced High Performance Computing programming techniques to solve coupled problems ...
  • Alya: Multiphysics engineering simulation toward exascale 

    Vázquez, Mariano; Houzeaux, Guillaume; Koric, Seid; Artigues, Antoni; Aguado-Sierra, Jazmin; Arís, Ruth; Mira, Daniel; Calmet, Hadrien; Cucchietti, Fernando; Owen, Herbert; Taha, Ahmed; Burness, Evan D.; Cela, José M.; Valero Cortés, Mateo (Elsevier, 2016-02-01)
    Article
    Accés restringit per política de l'editorial
    Alya is a multi-physics simulation code developed at Barcelona Supercomputing Center (BSC). From its inception Alya code is designed using advanced High Performance Computing programming techniques to solve coupled problems ...
  • An unstructured CFD approach for numerical weather prediction 

    Aubry, Romain; Vázquez, Mariano; Houzeaux, Guillaume; Cela Espín, José M.; Marras, Simone (2010)
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    The aim of this paper is twofold. First, it is difficult for a newcomer in the Numerical Weather Prediction (NWP) community to find similarities with Computational Fluid Dynamics (CFD) techniques as far as the numerical ...
  • An XFEM/CZM implementation for massively parallel simulations of composites fracture 

    Vigueras, Guillermo; Sket, Federico; Samaniego, Cristobal; Wu, Ling; Noels, Ludovic; Tjahjanto, Denny; Casoni Rero, Eva; Houzeaux, Guillaume; Makradi, Ahmed; Molina-Aldareguia, Jon M.; Vázquez, Mariano; Jérusalem, Antoine (Elsevier, 2015-07)
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    Because of their widely generalized use in many industries, composites are the subject of many research campaigns. More particularly, the development of both accurate and flexible numerical models able to capture their ...
  • Application of a Galerkin finite element scheme to atmospheric buoyant and gravity driven flows 

    Marras, Simone; Vázquez, Mariano; Jorba Casellas, Oriol; Aubry, Romain; Houzeaux, Guillaume; Baldasano Recio, José María (2010)
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    The application of a new finite element (FE) technique for the solution of stratified, non-hydrostatic, low-Mach number flows is introduced in the context of mesoscale atmospheric modeling. In this framework, a Compressible ...
  • Coupled electromechanical model of the heart: Parallel finite element formulation 

    Lafortune, Pierre; Aris, Ruth; Vázquez, Mariano; Houzeaux, Guillaume (2012-01)
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    Accés restringit per política de l'editorial
    In this paper, a highly parallel coupled electromechanical model of the heart is presented and assessed. The parallel-coupled model is thoroughly discussed, with scalability proven up to hundreds of cores. This work focuses ...
  • Effects of detailed ventricular anatomy on the blood flow 

    Sacco, Federica; Paun, Bruno; Jowkar, Mohammad; Houzeaux, Guillaume; Vázquez, Mariano; Aguado-Sierra, Jazmin; Butakoff, Constantine (Barcelona Supercomputing Center, 2015-05-05)
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    The presented study is a preliminary test and analysis of the role of trabeculae and papillary muscles in the hemodynamics of the left ventricle (LV).
  • From imaging to simulation: a framework applied to simulate the blood flow in the carotids 

    Aris, Ruth; Mani, Venkatesh; Dyvorne, Hadrien A.; Jowkar, M.; Santiago, A.; Houzeaux, G.; Fayad, Zahi; Vázquez, Mariano (Barcelona Supercomputing Center, 2015-05-05)
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    In this work we present a methodology to extract information from medical imaging and use it for hemodynamical simulation in arteries. Based on in-vivo magnetic resonance images (MRI), the velocity of the blood flow has ...
  • Fully-Coupled Electromechanical Simulations of the LV Dog Anatomy Using HPC: Model Testing and Verification 

    Aguado-Sierra, Jazmin; Santiago, Alfonso; Rivero, Matias I.; Lopez-Yunta, Mariña; Soto-Iglesias, David; Dux-Santoy, Lydia; Camara, Oscar; Vázquez, Mariano (Springer, 2015-01-01)
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    Verification of electro-mechanic models of the heart require a good amount of reliable, high resolution, thorough in-vivo measurements. The detail of the mathematical models used to create simulations of the heart beat ...
  • Generation of a simulation scenario from medical data: Carto and MRI 

    López-Yunta, Marina; Roca, Xevi; Aguado-Sierra, Jazmin; Vázquez, Mariano (Barcelona Supercomputing Center, 2015-05-05)
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    Multiphysic cardiac models give accurate simulations of normal and pathologic behavior of the heart. It can help to develop new treatments and medical devices. The complexity relies on both mathematical and geometrical ...
  • Heat loss prediction of a confined premixed jet flame using a conjugate heat transfer approach 

    Gövert, S.; Mira, Daniel; Zavala-Ake, M.; Kok, J.B.W.; Vázquez, Mariano; Houzeaux, Guillaume (Elsevier, 2017-04)
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    The presented work addresses the investigation of the heat loss of a confined turbulent jet flame in a lab-scale combustor using a conjugate-heat transfer approach and large-eddy simulation. The analysis includes the ...
  • Heat Transfer Effects on a Fully Premixed Methane Impinging Flame 

    Mira, Daniel; Zavala, Miguel; Avila, Matías; Owen, Herbert; Cajas, Juan C.; Vázquez, Mariano; Houzeaux, Guillaume (Springer, 2016-01-09)
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    A numerical assessment of different thermal conditions for an impinging flame configuration is investigated using large-eddy simulation. The cases of study correspond to a turbulent methane flame at equivalence ratio ER = ...