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Ara es mostren els items 1-20 de 22

    • A parallel tool for numerical approximation of 3D electromagnetic surveys in geophysics 

      Castillo Reyes, Octavio; de la Puente Álvarez, Josep; Modesto Galende, David; Puzyrev, Vladimir; Cela Espín, José M. (Instituto Politécnico Nacional (México), 2016)
      Article
      Accés obert
      This paper presents an edge-based parallel code for the data computation that arises when applying one of the most popular electromagnetic methods in geophysics, namely, the controlled-source electromagnetic method (CSEM). ...

    • Agent-based simulation of large population dynamics 

      Montañola Sales, Cristina; Casanovas Garcia, Josep; Cela Espín, José M.; Onggo, B.S.S.; Kaplan Marcusan, Adriana (2013)
      Comunicació de congrés
      Accés obert
      Agent-based modelling and simulation is a promising methodology that can be used in the study of population dynamics. One of the main obstacles hindering the use of agent-based simulation in practice is its scalability, ...

    • Alya: Multiphysics engineering simulation toward exascale 

      Vázquez, Mariano; Houzeaux, Guillaume; Koric, Seid; Artigues, Antoni; Aguado Sierra, Jazmin; Arís Sánchez, Ruth; Mira Martínez, Daniel; Calmet, Hadrien; Cucchietti, Fernando; Owen, Herbert; Taha, Ahmed; Dering Burness, Evan; Cela Espín, José M.; Valero Cortés, Mateo (Elsevier, 2016-05)
      Article
      Accés obert
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Approaching parallel computing to simulating population dynamics in demography 

      Montañola Sales, Cristina; Onggo, Bhakti S. S.; Casanovas Garcia, Josep; Cela Espín, José M.; Kaplan Marcusan, Adriana (2016-11-01)
      Article
      Accés obert
      Agent-based modelling and simulation is a promising methodology that can be applied in the study of population dynamics. The main advantage of this technique is that it allows representing the particularities of the ...

    • Approaching simulation to modelers: a user interface for large-scale demographic simulation 

      Montañola Sales, Cristina; Casanovas Garcia, Josep; Onggo, Bhakti S. S.; Cela Espín, José M.; Kaplan Marcusan, Adriana (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Comunicació de congrés
      Accés obert
      Agent-based modeling is one of the promising modeling tools that can be used in the study of population dynamics. Two of the main obstacles hindering the use of agent-based simulation in practice are its scalability when ...

    • Demographic agent-based simulation of Gambians immigrants in Spain 

      Montañola Sales, Cristina; Casanovas Garcia, Josep; Kaplan Marcusan, Adriana; Cela Espín, José M. (2014)
      Text en actes de congrés
      Accés obert
      Changes in our society have created a challenge for policymakers, who confront a need of tools to evaluate the possible effects of their policies. Agent-based modelling and simulation is a promising methodology which can ...

    • Edge-based electric field formulation in 3D CSEM simulations: A parallel approach 

      Castillo Reyes, Octavio; de la Puente Álvarez, Josep; Puzyrev, Vladimir; Cela Espín, José M. (IEEE, 2015-10)
      Text en actes de congrés
      Accés obert
      This paper presents a parallel computing scheme for the data computation that arise when applying one of the most popular electromagnetic methods in exploration geophysics, namely, controlled-source electromagnetic (CSEM). ...

    • High-performance reverse time migration on GPU 

      Cabezas, Javier; Ayala Polo, Mauricio; Gelado Fernandez, Isaac; Morancho Llena, Enrique; Navarro, Nacho; Cela Espín, José M. (2009-11)
      Text en actes de congrés
      Accés obert
      Partial Differential Equations (PDE) are the heart of most simulations in many scientific fields, from Fluid Mechanics to Astrophysics. One the most popular mathematical schemes to solve a PDE is Finite Difference (FD). In ...

    • HPC and edge elements for geophysical electromagnetic problems: an overview 

      Castillo Reyes, Octavio; Puente, Josep de la; Puzyrev, Vladimir; Cela Espín, José M. (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
      Accés obert
      In Finite Element Methods for solving electromagnetic problems, the use of Nédélec Elements has become very popular. In fact, Nédélec Elements are often said to be a cure to many difficulties that are encountered, particularly ...

    • HPC geophysical electromagnetics: a synthetic VTI model with complex bathymetry 

      Castillo Reyes, Octavio; Puente Álvarez, Josep de la; Cela Espín, José M. (2022-02-10)
      Article
      Accés obert
      We introduce a new synthetic marine model for 3D controlled-source electromagnetic method (CSEM) surveys. The proposed model includes relevant features for the electromagnetic geophysical community such as large conductivity ...

    • Introducción a la programación en C 

      Peña Basurto, Marco Antonio; Cela Espín, José M. (Edicions UPC, 2000)
      Llibre
      Accés restringit a la comunitat UPC
      Texto de introducción a la programación usando el lenguaje C, centrado en la exposición de los aspectos fundamentales del estándar ANSI C actual. Si bien en la actualidad existen otros lenguajes de programación muy populares, ...

    • Large-scale social simulation, dealing with complexity challenges in high performance environments 

      Montañola Sales, Cristina; Rubio Campillo, Xavier; Casanovas Garcia, Josep; Cela Espín, José M.; Kaplan Marcusan, Adriana (IGI Global Inc, 2014-04-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Advances on information technology in the past decades have provided new tools to assist scientists in the study of social and natural phenomena. Agent-based modeling techniques have flourished recently, encouraging the ...

    • Optimization of atmospheric transport models on HPC platforms 

      De la Cruz Martinez, Raul; Folch, Arnau; Farré, Pau; Cabezas, Javier; Navarro, Nacho; Cela Espín, José M. (2016-12)
      Article
      Accés obert
      The performance and scalability of atmospheric transport models on high performance computing environments is often far from optimal for multiple reasons including, for example, sequential input and output, synchronous ...

    • Overview on agent-based social modelling and the use of formal languages 

      Montañola Sales, Cristina; Cela Espín, José M.; Rubio Campillo, Xavier; Casanovas Garcia, Josep; Kaplan Marcusan, Adriana (IGI Global, 2013-07)
      Capítol de llibre
      Accés obert
      Transdisciplinary Models and Applications investigates a variety of programming languages used in validating and verifying models in order to assist in their eventual implementation. This book will explore different methods ...

    • Parallel 3-D marine controlled-source electromagnetic modelling using high-order tetrahedral Nédélec elements 

      Castillo Reyes, Octavio; de la Puente Álvarez, Josep; García-Castillo, Luis Emilio; Cela Espín, José M. (Oxford University Press, 2019-10)
      Article
      Accés obert
      We present a parallel and high-order Nédélec finite element solution for the marine controlled-source electromagnetic (CSEM) forward problem in 3-D media with isotropic conductivity. Our parallel Python code is implemented ...

    • Parallel and numerical issues of the edge finite element method for 3D controlled-source electromagnetic surveys 

      Castillo Reyes, Octavio; de la Puente Álvarez, Josep; Puzyrev, Vladimir; Cela Espín, José M. (IEEE, 2015-10)
      Text en actes de congrés
      Accés obert
      This paper deals with the most relevant parallel and numerical issues that arise when applying the Edge Element Method in the solution of electromagnetic problems in exploration geophysics. In this sense, in recent years ...

    • Parallel simulation of large population dynamics 

      Montañola Sales, Cristina; Casanovas Garcia, Josep; Cela Espín, José M.; Kaplan Marcusan, Adriana (2013)
      Comunicació de congrés
      Accés obert
      Agent-based modeling and simulation is a promising methodology that can be used in the study of population dynamics. We present the design and development of a simulation tool which provides basic support for modeling and ...

    • PETGEM: A parallel code for 3D CSEM forward modeling using edge finite elements 

      Castillo Reyes, Octavio; de la Puente Álvarez, Josep; Cela Espín, José M. (2018-10)
      Article
      Accés obert
      We present the capabilities and results of the Parallel Edge-based Tool for Geophysical Electromagnetic modeling (PETGEM), as well as the physical and numerical foundations upon which it has been developed. PETGEM is an ...

    • Python for HPC geophysical electromagnetic applications: experiences and perspectives 

      Castillo-Reyes, Octavio; Puente, Josep de la; Cela Espín, José M. (Barcelona Supercomputing Center, 2017-05-04)
      Text en actes de congrés
      Accés obert
      Nowadays, the electromagnetic modelling are a fun-damental tool in geophysics due to their wide field of application: hydrocarbon and mineral exploration, reservoir monitoring, CO􀀀 storage characterization, geothermal ...