Now showing items 1-7 of 7

  • 3D Elastic Full Waveform Inversion - On Land Study case 

    Kormann, Jean; Marti, David; Rodríguez, Juan E.; Marzan, Ignacio; Gutiérrez, Natalia; Ferrer, Miguel; Hanzich, Mauricio; de la Puente, Josep; Carbonell, Ramon; Cela, Jose M.; Fernández, S. (European Association of Geoscientists and Engineers, 2016-05-31)
    Conference report
    Open Access
    Full Waveform Inversion is one of the most advanced processing methods that is recently reaching a mature state after years of solving theoretical and technical issues such as the non-uniqueness of the solution and harnessing ...
  • Fostering Collaboration in Energy Research and Technological Developments applying new exascale HPC techniques 

    Cela, Jose M.; Coutinho, Alvaro L.G.A.; Navaux, Philippe O.A.; Mayo-García, Rafael (Institute of Electrical and Electronics Engineers (IEEE), 2016-05)
    Conference report
    Open Access
    During the last years, High Performance Computing (HPC) resources have undergone a dramatic transformation, with an explosion on the available parallelism and the use of special purpose processors. There ...
  • 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)
    Conference report
    Open Access
    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 ...
  • Parallel 3-D marine controlled-source electromagnetic modelling using high-order tetrahedral Nédélec elements 

    Castillo-Reyes, Octavio; de la Puente, Josep; García-Castillo, Luis Emilio; Cela, Jose M. (Oxford University Press, 2019-10)
    Article
    Open Access
    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 ...
  • 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)
    Conference lecture
    Open Access
    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 ...
  • 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)
    Conference lecture
    Open Access
    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 ...
  • Toward an automatic full-wave inversion: Synthetic study cases 

    Kormann, Jean; Rodriguez, Juan E.; Gutiérrez, Natalia; Ferrer, Miguel; Rojas, Otilio; de la Puente, Josep; Hanzich, Mauricio; Cela, Jose M. (Society of Exploration Geophysicists, 2016-12)
    Article
    Open Access
    Full-waveform inversion (FWI) in seismic scenarios continues to be a complex procedure for subsurface imaging that might require extensive human interaction in terms of model setup, constraints, and data preconditioning. ...