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  • Simultaneously improving the efficiency and compression of the adaptive cross approximation algorithm

     Heldring, A.; Ubeda, E.; Rius, J.
    International Conference on Electromagnetics in Advanced Applications
    p. 16-18
    DOI: 10.1109/ICEAA.2015.7297064
    Presentation's date: 2015-09-10
    Presentation of work at congresses
  • Efficient analysis of homogeneous dielectric and plasmonic media with integral equation MEI (IE-MEI)

     Rius, J.; Planes, G.; Ubeda, E.; Heldring, A.
    International Conference on Electromagnetics in Advanced Applications
    p. 509-512
    DOI: 10.1109/ICEAA.2015.7297166
    Presentation's date: 2015-09-10
    Presentation of work at congresses
  • Tangential-normal line testing for a nonconforming discretization of the Transversal-Electric Electric-Field Integral Equation for 2D conductors

     Sekulic, I.; Ubeda, E.; Rius, J.
    International Conference on Electromagnetics in Advanced Applications
    p. 581-584
    DOI: 10.1109/ICEAA.2015.7297182
    Presentation's date: 2015-09-08
    Presentation of work at congresses
  • Nonconforming discretization of the combined-field integral equation with volumetric testing

     Ubeda, E.; Rius, J.; Heldring, A.
    IEEE International Symposium on Antennas and Propagation
    p. 1156-1157
    DOI: 10.1109/APS.2015.7304966
    Presentation's date: 2015-07-20
    Presentation of work at congresses
  • Testing over the boundary interface for the nonconforming discretization of the Electric-Field Integral Equation

     Ubeda, E.; Sekulic, I.; Rius, J.; Heldring, A.
    IEEE International Symposium on Antennas and Propagation
    p. 1170-1171
    DOI: 10.1109/APS.2015.7304973
    Presentation's date: 2015-07-20
    Presentation of work at congresses
  • Volumetric testing parallel to the boundary surface for a nonconforming discretization of the electric-field integral equation  Open access

     Ubeda, E.; Rius, J.; Heldring, A.; Sekulic, I.
    IEEE transactions on antennas and propagation
    Vol. 63, num. 7, p. 3286-3291
    DOI: 10.1109/TAP.2015.2426793
    Date of publication: 2015-07
    Journal article
    Access to the full text
  • Versatile facet-oriented discretization of the electric-field integral equation

     Ubeda, E.; Sekulic, I.; Rius, J.; Heldring, A.
    Computational Electromagnetics International Workshop
    p. 1-2
    DOI: 10.1109/CEM.2015.7237423
    Presentation's date: 2015-07-01
    Presentation of work at congresses
  • Adapted ACA algorithm with improved efficiency and compression rate  Open access

     Heldring, A.; Ubeda, E.; Rius, J.
    Iberian Meeting on Computational Electromagnetics
    Presentation's date: 2015-05-07
    Presentation of work at congresses
    Access to the full text
  • Integral Equation MEI (IE-MEI) analysis of homogeneus dielectric and plasmonic media in 2D  Open access

     Rius, J.; Planes, G.; Ubeda, E.; Heldring, A.
    Iberian Meeting on Computational Electromagnetics
    Presentation's date: 2015-05-06
    Presentation of work at congresses
    Access to the full text
  • Volumetric testing for the nonconforming discretization of integral equations in scattering problems

     Ubeda, E.; Sekulic, I.; Rius, J.; Heldring, A.
    European Conference on Antennas and Propagation
    p. 1-4
    Presentation's date: 2015-04-13
    Presentation of work at congresses
  • Stochastic estimation of the Frobenius norm in the ACA convergence criterion  Open access

     Heldring, A.; Ubeda, E.; Rius, J.
    IEEE transactions on antennas and propagation
    Vol. 63, num. 3, p. 1155-1159
    DOI: 10.1109/TAP.2014.2386306
    Date of publication: 2015-03-01
    Journal article
    Access to the full text
  • Regularization of the 2D TE-EFIE for homogeneous objects discretized by the Method of Moments with discontinuous basis functions

     Ubeda, E.; Sekulic, I.; Rius, J.; Heldring, A.
    International Conference on Electromagnetics in Advanced Applications
    p. 500-502
    DOI: 10.1109/ICEAA.2014.6903906
    Presentation's date: 2014-08
    Presentation of work at congresses
  • Nonconforming discretization of the electric-field integral equation for closed perfectly conducting objects

     Ubeda, E.; Rius, J.; Heldring, A.
    IEEE transactions on antennas and propagation
    Vol. 62, num. 8, p. 4171-4186
    DOI: 10.1109/TAP.2014.2325954
    Date of publication: 2014-08-01
    Journal article
  • Volumetric testing with wedges for a nonconforming discretization of the Electric-Field Integral Equation

     Ubeda, E.; Rius, J.; Heldring, A.
    IEEE International Symposium on Antennas and Propagation
    p. 2192-2193
    DOI: 10.1109/APS.2014.6905423
    Presentation's date: 2014-07
    Presentation of work at congresses
  • Nonconforming discretization of the Magnetic-Field Integral Equation with volumetric testing

     Ubeda, E.; Rius, J.; Heldring, A.
    IEEE International Symposium on Antennas and Propagation
    p. 2194-2195
    DOI: 10.1109/APS.2014.6905424
    Presentation's date: 2014-07
    Presentation of work at congresses
  • On the convergence of the ACA algorithm for radiation and scattering problems

     Heldring, A.; Ubeda, E.; Rius, J.
    IEEE transactions on antennas and propagation
    Vol. 62, num. 7, p. 3806-3809
    DOI: 10.1109/TAP.2014.2316293
    Date of publication: 2014-07-01
    Journal article
  • New graphical processing technique for fast shadowing computation in PO surface integral

     Rius, J.; Carbo, A.; Bjerkemo, J.; Ubeda, E.; Heldring, A.; Mallorqui, J.J.; Broquetas, A.
    IEEE transactions on antennas and propagation
    Vol. 62, num. 5, p. 2587-2595
    DOI: 10.1109/TAP.2014.2307321
    Date of publication: 2014-05-01
    Journal article
  • Grup de Teledetecció, Antenes, Microones i Superconductivitat

     Aguasca, A.; Barlabe, A.; Blanch, S.; Broquetas, A.; Camps, A.; Cardama, A.; Elias, A.; Duffo, N.; Fabregas, F.; Jofre, L.; Heldring, A.; Lopez, C.; Mallorqui, J.J.; O'callaghan, J.; Pradell, L.; Rius, J.; Romeu, J.; Torres, F.; Ubeda, E.; Vall-llossera, M.; Duran, I.; Wu, L.; Gilasgar, M.; Lort, M.; Imbert, M.; Martin, F.; Chaparro, D.; Pablos, M.; Pascual, D.; Park, H.; Alonso-Arroyo, A.; Onrubia, R.; Yam , L.E.; Rodriguez, J.; Piles, M.; Deng, X.; Querol, J.; Corbella, I.
    Competitive project
  • Iterative method of moments solution of problems involving electrically large and concave geometries

     Heldring, A.; Rius, J.; Ubeda, E.
    International Conference on Electromagnetics in Advanced Applications
    p. 266-269
    DOI: 10.1109/ICEAA.2013.6632235
    Presentation's date: 2013-09-09
    Presentation of work at congresses
  • Volumetric testing for a nonconforming discretization in method of moments of the electric-field surface integral equation

     Ubeda, E.; Rius, J.; Heldring, A.
    International Conference on Electromagnetics in Advanced Applications
    p. 121-124
    DOI: 10.1109/ICEAA.2013.6632202
    Presentation's date: 2013-09
    Presentation of work at congresses
  • Discretization of the EFIE in Method of Moments without continuity of the normal current component across edges

     Ubeda, E.; Rius, J.; Heldring, A.
    IEEE International Symposium on Antennas and Propagation
    p. 448-449
    DOI: 10.1109/APS.2013.6710885
    Presentation's date: 2013-07-08
    Presentation of work at congresses
  • Preconditioning the Electric Field Integral Equation with the MS-CBD method

     Heldring, A.; Ubeda, E.; Rius, J.
    Iberian Meeting on Computational Electromagnetics
    Presentation's date: 2013-05-14
    Presentation of work at congresses
  • Fast shadowing computation in physical optics surface

     Rius, J.; Carbo, A.; Ubeda, E.; Heldring, A.
    Iberian Meeting on Computational Electromagnetics
    Presentation's date: 2013-05-14
    Presentation of work at congresses
  • GRECO Code Rejuvenated: hybrid CPU-graphical processing

     Rius, J.; Carbo, A.; Ubeda, E.; Heldring, A.
    European Conference on Antennas and Propagation
    p. 2348-2351
    Presentation's date: 2013-04-10
    Presentation of work at congresses
  • The multiscale compressed block decomposition as a preconditioner for method of moments computations

     Heldring, A.; Ubeda, E.; Rius, J.
    European Conference on Antennas and Propagation
    p. 390-393
    Presentation's date: 2013-04-08
    Presentation of work at congresses
  • Stable discretization of the electric-magnetic field integral equation with the taylor-orthogonal basis functions

     Ubeda, E.; Tamayo, J.; Rius, J.; Heldring, A.
    IEEE transactions on antennas and propagation
    Vol. 61, num. 3, p. 1484-1490
    DOI: 10.1109/TAP.2012.2227925
    Date of publication: 2013-03
    Journal article
  • Accelerated direct solution of the method-of-moments linear system

     Heldring, A.; Tamayo, J.; Ubeda, E.; Rius, J.
    Proceedings of the IEEE
    Vol. 101, num. 2, p. 364-371
    DOI: 10.1109/JPROC.2012.2193369
    Date of publication: 2013-02
    Journal article
  • Dispositivos pasivos avanzados para cabezales multibanda, multimodo

     Rocas, E.; Mateu, J.; Heldring, A.; Gonzalez, J.; Collado, J.; Ubeda, E.
    Competitive project
  • Sparsified adaptive cross approximation algorithm for accelerated method of moments computations

     Heldring, A.; Tamayo, J.; Simon, C.; Ubeda, E.; Rius, J.
    IEEE transactions on antennas and propagation
    Vol. 61, num. 1, p. 240-246
    DOI: 10.1109/TAP.2012.2215292
    Date of publication: 2013-01
    Journal article
  • Stable discretization of the electric-magnetic field integral equation with the divergence Taylor-Orthogonal basis functions

     Ubeda, E.; Tamayo, J.M.; Rius, J.
    IEEE International Symposium on Antennas and Propagation
    DOI: 10.1109/APS.2012.6348616
    Presentation's date: 2012-07-12
    Presentation of work at congresses
  • Discretization of surface integral equations using conforming and non-conforming basis functions

     Ubeda, E.; Ylä-Oijala, P.; Tamayo, J.M.; Kiminki, S.; Rius, J.; Järvenpää, S.
    IEEE International Symposium on Antennas and Propagation
    Presentation's date: 2012-07-11
    Presentation of work at congresses
  • Discretization of the electric-magnetic field integral equation with the divergence Taylor-Orthogonal basis functions free from the magnetic-field and the electric-field low-frequency breakdowns

     Ubeda, E.; Tamayo, J.M.; Rius, J.
    European Conference on Antennas and Propagation
    p. 707-711
    DOI: 10.1109/EuCAP.2012.6206631
    Presentation's date: 2012
    Presentation of work at congresses
  • Sparsified ACA for accelerated iterative solution of the MoM linear system

     Heldring, A.; Rius, J.; Ubeda, E.; Tamayo, J.M.
    Iberian Meeting on Computational Electromagnetics
    p. 13-15
    Presentation's date: 2011-11-02
    Presentation of work at congresses
  • Divergence-conforming discretization of second-kind integral equations for the RCS computation in the Rayleigh frequency region

     Ubeda, E.; Rius, J.
    Radio science
    Vol. 46, num. 5, p. 1-10
    DOI: 10.1029/2010RS004550
    Date of publication: 2011-09-15
    Journal article
  • Divergence-Taylor-Orthogonal basis functions for the discretization of second-kind surface integral equations in the Method of Moments

     Ubeda, E.; Tamayo, J.M.; Rius, J.
    Computational Electromagnetics International Workshop
    p. 8-12
    DOI: 10.1109/CEM.2011.6047318
    Presentation's date: 2011-08-11
    Presentation of work at congresses
  • Facet-Oriented Discretization of the Electric-Magnetic Field Integral Equation for the accurate scattering analysis of perfectly conducting sharp-edged objects

     Tamayo, J.M.; Ubeda, E.; Rius, J.
    IEEE International Symposium on Antennas and Propagation
    p. 194-196
    DOI: 10.1109/APS.2011.5996675
    Presentation's date: 2011-07-04
    Presentation of work at congresses
  • Zeroth-Order Complete Discretizations of Integral-Equation formulations involving conducting or dielectric objects at very low frequencies

     Ubeda, E.; Tamayo, J.; Rius, J.; Heldring, A.
    IEEE transactions on antennas and propagation
    Vol. 59, num. 7, p. 2735-2741
    DOI: 10.1109/TAP.2011.2152316
    Date of publication: 2011-05-10
    Journal article
  • Discretization of the Electric-Magnetic field integral equation with the Divergence-Taylor-Orthogonal basis functions

     Ubeda, E.; Tamayo, J.M.; Rius, J.
    European Conference on Antennas and Propagation
    p. 2613-2617
    Presentation's date: 2011-04-11
    Presentation of work at congresses
  • Multiscale compressed block decomposition for fast direct solution of method of moments linear system

     Heldring, A.; Rius, J.; Tamayo, J.M.; Parrón, J.; Ubeda, E.
    IEEE transactions on antennas and propagation
    Vol. 59, num. 2, p. 526-536
    DOI: 10.1109/TAP.2010.2096385
    Date of publication: 2011-02
    Journal article
  • Taylor-orthogonal basis functions for the discretization in method of moments of second kind integral equations in the scattering analysis of perfectly conducting or dielectric objects  Open access

     Ubeda, E.; Tamayo, J.; Rius, J.
    Progress in electromagnetics research (PIER)
    Vol. 119, p. 85-105
    DOI: 10.2528/PIER11051715
    Date of publication: 2011
    Journal article
    Access to the full text
  • Simulation of shipborne small HF antennas with RWG discretization and fast solver

     Rius, J.; Jofre, L.; Tamayo, J.M.; Heldring, A.; Ubeda, E.
    IEEE International Conference on Wireless Information Technology and Systems
    DOI: 10.1109/ICWITS.2010.5611892
    Presentation's date: 2010-09-01
    Presentation of work at congresses
  • New electric-magnetic field integral equation for the scattering analysis of perfectly conducting sharp-edged objects at very low or extremely low frequencies

     Ubeda, E.; Rius, J.
    IEEE International Symposium on Antennas and Propagation
    DOI: 10.1109/APS.2010.5561038
    Presentation's date: 2010-07-14
    Presentation of work at congresses
  • Accelerated direct solution of the MoM-VIE for dielectric scatterers  Open access

     Heldring, A.; Tamayo, J.M.; Rius, J.; Ubeda, E.
    Iberian Meeting on Computational Electromagnetics
    p. 25-29
    Presentation's date: 2010-05-19
    Presentation of work at congresses
    Access to the full text
  • Very accurate computation of the impedance elements on the discretization of the magnetic field integral equation with the orthogonal basis functions  Open access

     Tamayo, J.M.; Ubeda, E.; Polimeridis, A. G.; Rius, J.; Mosig, J. R.
    Iberian Meeting on Computational Electromagnetics
    p. 48-52
    Presentation's date: 2010-05-19
    Presentation of work at congresses
    Access to the full text
  • Software framework for integration of method of moments kernels with direct or iterative fast solvers

     Rius, J.; Herrero, J. A.; Tamayo, J.M.; Heldring, A.; Ubeda, E.; Parrón, J.; López-Peña, S.; Polimeridis, A. G.; Mosig, J. R.; Espinosa, H.; Boag, A.
    European Conference on Antennas and Propagation
    p. 1-2
    Presentation's date: 2010-04-15
    Presentation of work at congresses
  • Orthogonal basis functions for the discretization of the Magnetic-Field Integral Equation in the Low Frequency regime

     Ubeda, E.; Tamayo, J.M.; Rius, J.
    European Conference on Antennas and Propagation
    p. 1-4
    Presentation's date: 2010-04-15
    Presentation of work at congresses
  • TECNOLOGIA Y NUEVAS TECNICAS DE DISEÑO PARA INTEGRACION EN CHIP DE CABECERAS DE MICROONDAS

     Mateu, J.; Ubeda, E.; Gonzalez, J.; Heldring, A.; Collado, J.
    Competitive project
  • Framework for integration of fast solvers in method of moments kernels

     Rius, J.; Tamayo, J.M.; Heldring, A.; Parrón, J.; Ubeda, E.
    LEMA-EPFL Workshop on Integral Techniques for Electromagnetics
    Presentation's date: 2009-09-08
    Presentation of work at congresses
  • Zeroth-order divergence-complete discretizations of the EFIE at very low frequencies  Open access

     Ubeda, E.; Tamayo, J.M.; Rius, J.
    Computational Electromagnetics Workshop
    p. 1-4
    Presentation's date: 2009-07-20
    Presentation of work at congresses
    Access to the full text