Now showing items 1-14 of 14

  • 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)
    Article
    Open Access
    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
    Open Access
    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 ...
  • 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)
    Article
    Open Access
    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 García, Juan Carlos; Vázquez, Mariano; Houzeaux, Guillaume (Springer, 2016-01-09)
    Article
    Open Access
    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 = ...
  • Large-eddy simulation of ow and combustion dynamics in a lean partially premixed swirling combustor 

    Li, Shaoshuai; Zheng, Yunzhe; Zhu, Min; Mira, Daniel; Jiang, Xi (Elsevier, 2015-11-06)
    Article
    Open Access
    A lean partially premixed swirling combustor was studied by resolving the complete flow path from the swirl vanes to the chamber outlet with large-eddy simulation (LES). The flow and combustion dynamics for non-reacting ...
  • Numerical investigation of the burning characteristics of ventilation air methane in a combustion based mitigation system 

    Mira, Daniel; Cluff, Daniel L.; Jiang, Xi (Elsevier, 2014-10)
    Article
    Open Access
    Large-eddy simulation of the reacting flow field in a combustion-based mitigation system to reduce the emissions of methane contained in ventilation air methane is presented. The application is based on the preheating and ...
  • Parallel mesh partitioning based on space filling curves 

    Borrell, Ricard; Cajas García, Juan Carlos; Mira, Daniel; Taha, A.; Koric, S.; Vázquez, Mariano; Houzeaux, Guillaume (Elsevier, 2018-09)
    Article
    Restricted access - publisher's policy
    Larger supercomputers allow the simulation of more complex phenomena with increased accuracy. Eventually this requires finer and thus also larger geometric discretizations. In this context, and extrapolating to the Exascale ...
  • Saiph, a domain specific language for computational fluid dynamics simulations 

    Macià, Sandra; Beltran Querol, Vicenç; Mira, Daniel; Mateo, Sergi (Barcelona Supercomputing Center, 2017-05-04)
    Open Access
    Nowadays, High-Performance Computing (HPC) is assuming an increasingly central role in scientific research while computer architectures are becoming more and more hetero-geneous and using different parallel programming ...
  • Saiph: towards a DSL for high-performance computational fluid dynamics 

    Macià, Sandra; Mateo, Sergi; Martínez-Ferrer, Pedro J.; Beltran Querol, Vicenç; Mira, Daniel; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2018)
    Conference report
    Restricted access - publisher's policy
    Nowadays high-performance computing is taking an increasingly central role in scientific research while computer architectures are becoming more heterogeneous and complex with different parallel programming models and ...
  • 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)
    Conference lecture
    Open Access
    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 ...
  • The combustion mitigation of methane as a non-CO2 greenhouse gas 

    Jian, X.; Mira, Daniel; Cluff, D.L. (Elsevier, 2018-05)
    Article
    Open Access
    Anthropogenic emissions of non-CO2 greenhouse gases such as fugitive methane contribute significantly to global warming. A review of fugitive methane combustion mitigation and utilisation technologies, which are primarily ...
  • The Effect of Partial Premixing and Heat Loss on the Reacting Flow Field Prediction of a Swirl Stabilized Gas Turbine Model Combustor 

    Gövert, Simon; Mira, Daniel; Kok, Jim B. W.; Vázquez, Mariano; Houzeaux, Guillaume (Springer Verlag, 2018-03)
    Article
    Open Access
    This work addresses the prediction of the reacting flow field in a swirl stabilized gas turbine model combustor using large-eddy simulation. The modeling of the combustion chemistry is based on laminar premixed flamelets ...
  • Turbulent combustion modelling of a confined premixed jet flame including heat loss effects using tabulated chemistry 

    Gövert, Simon; Mira, Daniel; Kok, Jim B. W.; Vázquez, Mariano; Houzeaux, Guillaume (Elsevier, 2015-10-15)
    Article
    Open Access
    The present work addresses the coupling of a flamelet database, to a low-Mach approximation of the Navier–Stokes equations using scalar controlling variables. The model is characterized by the chemistry tabulation based ...
  • Wall‐modeled large‐eddy simulation in a finite element framework 

    Owen, Herbert; Chrysokentis, Georgios; Avila, Matias; Mira, Daniel; Houzeaux, Guillaume; Cajas, Juan Carlos; Lehmkuhl Barba, Oriol (Wiley, 2020-01)
    Article
    Restricted access - publisher's policy
    This work studies the implementation of wall modeling for large‐eddy simulation in a finite element context. It provides a detailed description of how the approach used by the finite volume and finite differences communities ...