The Journal of Supercomputing

, Volume 64, Issue 1, pp 28–37 | Cite as

Development of a unified FDTD-FEM library for electromagnetic analysis with CPU and GPU computing

  • Jorge Francés
  • Sergio Bleda
  • Sergi Gallego
  • Cristian Neipp
  • Andrés Márquez
  • Inmaculada Pascual
  • Augusto Beléndez
Article

Abstract

The present paper describes an optimized C++ library for the study of electromagnetics. The implementation is based on the Finite-Difference Time-Domain method for transient analysis, and the Finite Element Method for electrostatics. Both methods share the same core and are optimized for CPU and GPU computing. To illustrate its running, FEM method is applied for solving Laplace’s equation analyzing the relation between surface curvature and electrostatic potential of a long cylindrical conductor, whereas FDTD is applied for analyzing Thin Film Filters at optical wavelengths. Furthermore, a comparison of the performance of both CPU and GPU versions is analyzed as a function of the grid size simulation. This approach allows the study of a wide range of electromagnetic problems taking advantage of the benefits of each numerical method and the computing power of the modern CPUs and GPUs.

Keywords

Electromagnetic analysis Finite-difference time-domain Finite element method Electrostatic potential Thin film filters Optical wavelengths Graphics processing units 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Jorge Francés
    • 1
    • 2
  • Sergio Bleda
    • 1
    • 2
  • Sergi Gallego
    • 1
    • 2
  • Cristian Neipp
    • 1
    • 2
  • Andrés Márquez
    • 1
    • 2
  • Inmaculada Pascual
    • 2
    • 3
  • Augusto Beléndez
    • 1
    • 2
  1. 1.Department of Physics, Systems Engineering and Signal TheoryUniversity of AlicanteAlicanteSpain
  2. 2.University Institute of Physics to Sciences and TechnologiesUniversity of AlicanteAlicanteSpain
  3. 3.Department of Optics, Pharmacology and AnatomyUniversity of AlicanteAlicanteSpain

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