Recent Submissions

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  Development of a reduced order model of solar heat gains prediction 

  Tamm, Meril; Macià, Jordi; Capdevila Paramio, Roser; Farnós Baulenas, Joan; Thalfeldt, Martin; Kurnitski, Jarek (2020-12-01)
  Article
  Open Access

  The aim of this study was to elaborate and validate a reduced order model able to forecast solar heat gains as a function of the architectural parameters that determine the solar heat gains. The study focused on office ...
• A comprehensive simulation tool for adsorption-based solar-cooled buildings. Control strategy based on variable cycle duration 

  Papakokkinos, Giorgos; Castro González, Jesús; Capdevila Paramio, Roser; Damble, Rashmin (2021-01-15)
  Article
  Restricted access - publisher's policy

  Adsorption cooling systems (ACS) may contribute towards a sustainable way of satisfying the increasing cooling demand, as they utilize solar thermal energy and employ non-ozone-depleting substances. Apart from the intrinsic ...
• A scalable framework for the partitioned solution of fluid-structure interaction problems 

  Naseri, Alireza; Totounferoush, Amin; González Acedo, Ignacio; Mehl, Miriam; Pérez Segarra, Carlos David (Springer, 2020-08)
  Article
  Restricted access - publisher's policy

  In this work, we present a scalable and efficient parallel solver for the partitioned solution of fluid–structure interaction problems through multi-code coupling. Two instances of an in-house parallel software, TermoFluids, ...
• On the feasibility of affordable high-fidelity CFD simulations for indoor environment design and control 

  Morozova, Nina; Trias Miquel, Francesc Xavier; Capdevila Paramio, Roser; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2020-10-15)
  Article
  Restricted access - publisher's policy

  Computational fluid dynamics (CFD) is a reliable tool for indoor environmental applications. However, accurate CFD simulations require large computational resources, whereas significant cost reduction can lead to unreliable ...
• A hierarchical parallel implementation for heterogeneous computing. Application to algebra-based CFD simulations on hybrid supercomputers 

  Álvarez Farré, Xavier; Gorobets, Andrey; Trias Miquel, Francesc Xavier (Elsevier, 2021-01)
  Article
  Restricted access - publisher's policy

  The quest for new portable implementations of simulation algorithms is motivated by the increasing variety of computing architectures. Moreover, the hybridization of high-performance computing systems imposes additional ...
• Tetrahedral adaptive mesh refinement for two-phase flows using conservative level-set method 

  Antepara Zambrano, Óscar; Balcázar Arciniega, Néstor; Oliva Llena, Asensio (2021-02)
  Article
  Restricted access - publisher's policy

  In this article, we describe a parallel adaptive mesh refinement strategy for two-phase flows using tetrahedral meshes. The proposed methodology consists of combining a conservative level-set method with tetrahedral adaptive ...
• Transient model for the development of an air-cooled LiBr-H2O absorption chiller based on heat and mass transfer empirical correlations 

  Castro González, Jesús; Farnós Baulenas, Joan; Papakokkinos, Giorgos; Zheng, Jian; Oliet Casasayas, Carles (Elsevier, 2020-12)
  Article
  Restricted access - publisher's policy

  This work describes transient numerical modeling of a direct air-cooled,single-effect absorption chiller. The model is lumped parametric based on transient mass, momentum, and energy balances, applied to the internal ...
• Fluid-structure interaction based on HPC multicode coupling 

  Cajas García, Juan Carlos; Houzeaux, Guillaume; Vázquez, Mariano; Garcia Gasulla, Marta; Casoni Rero, Eva; Calmet, Hadrien; Artigues, Antoni; Borrell Pol, Ricard; Lehmkuhl Barba, Oriol; Pastrana Maldonado, Daniel; Yáñez, David; Pons, Ramon; Martorell Lopez, Jordi (2018)
  Article
  Restricted access - publisher's policy

  The fluid-structure interaction (FSI) problem has received great attention in the last few years, mainly because it is present in many physical systems, industrial applications, and almost every biological system. In the ...
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  On a Proper Tensor-Diffusivity Model for Large-Eddy Simulation of Buoyancy-Driven Turbulence 

  Trias Miquel, Francesc Xavier; Dabbagh, Firas; Gorobets, Andrei; Oliet Casasayas, Carles (Springer, 2020-03-26)
  Article
  Open Access

  In this work, we aim to shed light to the following research question: can we find a nonlinear tensorial subgrid-scale (SGS) heat flux model with good physical and numerical properties, such that we can obtain satisfactory ...
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  Flow topology dynamics in a three-dimensional phase space for turbulent Rayleigh-Bénard convection 

  Dabbagh, Firas; Trias Miquel, Francesc Xavier; Gorobets, Andrey; Oliva Llena, Asensio (2020-02-28)
  Article
  Open Access
• Eigensensitivity analysis of subgrid-scale stresses in large-eddy simulation of a turbulent axisymmetric jet 

  Jofre Cruanyes, Lluís (2019)
  Article
  Restricted access - publisher's policy

  The study of complex turbulent flows by means of large-eddy simulation approaches has become increasingly popular in many scientific and engineering applications. The underlying filtering operation of the approach enables ...
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  A framework for characterizing structural uncertainty in large-eddy simulation closures 

  Jofre Cruanyes, Lluís (springer-Verlag, 2018)
  Article
  Open Access

  Motivated by the sizable increase of available computing resources, large-eddy simulation of complex turbulent flow is becoming increasingly popular. The underlying filtering operation of this approach enables to represent ...

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