Publications


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Refereed International Journal Papers (with ISI impact factor):

  1. L. Codecasa, P. Dular, R. Specogna, F. Trevisan,
    "Time-domain geometric eddy-current A formulation for hexahedral grids'',
    IEEE Transactions on Magnetics, in press.

  2. P. Bettini, R. Specogna, F. Trevisan,
    "A Discrete Geometric Approach to solving 2D non-linear magnetostatic problems'',
    IEEE Transactions on Magnetics, in press.

  3. L. Codecasa, P. Dular, R. Specogna, F. Trevisan,
    "A perturbation method for the T-\Omega eddy-current formulation'',
    IEEE Transactions on Magnetics, in press.

  4. P. Dłotko, R. Specogna, F. Trevisan,
    "Voltage and current sources for massive conductors suitable with the A-\chi Geometric Formulation'',
    IEEE Transactions on Magnetics, in press.

  5. L. Codecasa, R. Specogna, F. Trevisan,
    "Constitutive Relations for Discrete Geometric Approach over Hexahedral Grids'',
    IEEE Transactions on Magnetics, in press.

  6. L. Codecasa, R. Specogna, F. Trevisan,
    "A geometric integral formulation for eddy-currents'',
    International Journal for Numerical Methods in Engineering, regular paper, in press.

  7. P. Dłotko, R. Specogna, F. Trevisan,
    "Automatic generation of cuts on large-sized meshes for T-\Omega geometric eddy-current formulation'',
    Computer Methods in Applied Mechanics and Engineering (CMAME), Vol. 198, 2009, pp. 3765–3781, regular paper.

  8. L. Codecasa, R. Specogna, F. Trevisan,
    "Subgridding to Solving Magnetostatics within Discrete Geometric Approach'',
    IEEE Transactions on Magnetics, Vol. 45, Iss. 3, 2009, pp. 1024-1027.

  9. P. Bettini, R. Specogna, F. Trevisan,
    "Electroquasistatic analysis of the Gas Insulated Line for the ITER Neutral Beam Injector'',
    IEEE Transactions on Magnetics, Vol. 45, Iss. 3, 2009, pp. 996-999.

  10. P. Bettini, S. Boscolo, M. Midrio, R. Specogna,
    "Design optimization of waveguide bends in photonic crystals'',
    IEEE Transactions on Magnetics, Vol. 45, Iss. 3, 2009, pp. 1630-1633.

  11. A. De Lorenzi, L. Grando, A. Pesce, P. Bettini, R. Specogna,
    "Modeling of epoxy resin spacers for the 1 MV dc gas insulated line of ITER neutral beam injector system”,
    IEEE Transactions on Dielectrics and Electrical Insulation, Vol.16, No.1, 2009, pp. 77-87, regular paper.

  12. L. Codecasa, R. Specogna, F. Trevisan,
    "Base functions and discrete constitutive relations for staggered polyhedral grids”,
    Computer Methods in Applied Mechanics and Engineering (CMAME), Vol. 198, Iss. 9-12, 2009, pp. 1117-1123, regular paper.

  13. R. Specogna, F. Trevisan,
    "Advanced Geometric Formulations for the Design of a Long Defects Detection System",
    Nondestructive Testing and Evaluation, Vol. 24, Issue 1, 2009, pp. 192-207, DOI: 10.1080/10589750802213494, invited paper.

  14. P. Bettini, E. Brusa, M. Munteanu, R. Specogna and F. Trevisan,
    "Innovative numerical methods for nonlinear MEMS: the Non-Incremental FEM vs. the Discrete Geometric Approach”,
    CMES: Computer Modeling in Engineering & Sciences, Vol.33, No.3, 2008, pp. 215-242, regular paper.

  15. L. Codecasa, R. Specogna, F. Trevisan,
    "Discrete constitutive equations over hexahedral grids for eddy-current problems”,
    CMES: Computer Modeling in Engineering & Sciences, Vol.31, No.3, 2008, pp. 129-144, regular paper.

  16. E. Cardelli, A. Faba, A. Formisano, R. Martone, F. C. Morabito, M. Papais, A. Pirani, M. Ricci, R. Specogna, A. Tamburrino,
    F. Trevisan, M. Versaci and S. Ventre,
    "The AMDE project: 3D volumetric anomalies reconstruction by eddy current testing",
    International Journal of Applied Electromagnetics and Mechanics (IJAEM), Vol. 28, N. 1-2, 2008, pp. 321-327.

  17. P. Bettini, E. Brusa, M. Munteanu, R. Specogna, F. Trevisan
    "Static behaviour prediction of microelectrostatic actuators by discrete geometric approaches",
    IEEE Transaction on Magnetics, Vol. 44, Iss. 6, June 2008, pp. 1606-1609.

  18. R. Specogna, F. Trevisan
    "Eddy-currents computation with T-\Omega discrete geometric formulation for a NDE problem",
    IEEE Transaction on Magnetics, Vol. 44, Iss. 6, June 2008, pp. 698-701.

  19. P. Dular, R. Specogna, F. Trevisan
    "Constitutive matrices using hexahedra in a discrete approach for eddy currents",
    IEEE Transaction on Magnetics, Vol. 44, Iss. 6, June 2008, pp. 694-697.

  20. F. Henrotte, R. Specogna, F. Trevisan
    "Reinterpretation of the Nodal Force Method within discrete geometric approaches",
    IEEE Transaction on Magnetics, Vol. 44, Iss. 6, June 2008, pp. 690-693.

  21. A. Pirani, M. Ricci, R. Specogna, A. Tamburrino, F. Trevisan
    "Multi-frequency identification of defects in conducting media",
    Inverse Problems 24, 035011, 2008, regular paper.

  22. R. Specogna, Saku Suuriniemi and F. Trevisan
    "Geometric T-\Omega approach to solve eddy-currents coupled to electric circuits",
    International Journal for Numerical Methods in Engineering, Vol. 74, Iss. 1, Pages 101-115, 2 April 2008, regular paper.

  23. A. De Lorenzi, L. Grando, R. Gobbo, G. Pesavento, P. Bettini, R. Specogna and F. Trevisan
    "The insulation structure of the 1 MV transmission line for the ITER neutral beam injector",
    Fusion Engineering and Design, Volume 82, Issues 5-14, October 2007, pp. 836-844.

  24. E. Cardelli, A. Faba, R. Specogna, F. Trevisan
    "Image Reconstruction of Defects in Metallic Plates Using a Multi-Frequency Detector System and a Discrete Geometric Approach"
    IEEE Transaction on Magnetics, Volume 43, Issue 4, April 2007, pp. 1857- 1860.

  25. L. Codecasa, R. Specogna, F. Trevisan
    "Symmetric positive-definite constitutive matrices for discrete eddy-current problems"
    IEEE Transaction on Magnetics, Volume 43, Issue 2, Part 1, Feb. 2007, pp. 510-515, regular paper.

  26. P. Dular, R. Specogna, F. Trevisan
    "Coupling between circuits and A-\chi discrete geometric formulation"
    IEEE Transaction on Magnetics, Volume 42, Issue 4, April 2006, pp. 1043-1046.

  27. P. Bettini, S. Boscolo, R. Specogna, F. Trevisan
    "A geometric approach for wave propagation in 2-D photonic crystals in the frequency domain"
    IEEE Transaction on Magnetics, Volume 42, Issue 4, April 2006, pp. 827-830.

  28. P. Alotto, R. Specogna, F. Trevisan
    "A \theta-method for eddy currents in time domain with a discrete geometric approach"
    IEEE Transaction on Magnetics, Volume 42, Issue 4, April 2006, pp. 779-782.

  29. R. Specogna, F. Trevisan
    "Voltage sources with A-\chi discrete Geometric Approach to eddy-currents"
    Eur. Phys. J. Appl. Phys. 33, 97-101 (2006), regular paper.

  30. E. Cardelli, A. Faba, R. Specogna, A. Tamburrino, F. Trevisan, S. Ventre
    "Analysis Methodologies and Experimental Benchmarks for ECT"
    IEEE Transaction on Magnetics, Volume 41, Issue 5, May 2005, pp. 1380-1383.

  31. R. Specogna, F. Trevisan
    "Discrete constitutive equations in A-\chi geometric eddy-currents formulation"
    IEEE Transaction on Magnetics, Volume 41, Issue 4, April 2005, pp. 1259 - 1263, regular paper.

Refereed Italian Journal Papers:

  1. A. Stravisi, R. Specogna, S. Kutin, M. Doz, F. Trevisan, E. D'Agaro,
    "Simulazioni numeriche del campo elettrico nei pesci e in acqua: studio propedeutico all'applicazione della pesca elettrica in mare'',
    Hydrores, Anno XXIII, n. 28 (2008).

Papers under review:

  1. R. Specogna, P. Dular, F. Trevisan
    "..."
    under revision at Eur. Phys. J. Appl. Phys. (after NUMELEC 2008).

  2. L. Codecasa, P. Dular, R. Specogna, F. Trevisan
    "..."
    under revision at COMPEL (after EMF 2009).

  3. L. Codecasa, R. Specogna, F. Trevisan
    "..."
    under revision at Journal of Computational Physics.

  4. R. Specogna et al.
    "..."
    SIAM Journal on Numerical Analysis.

Chapters in books (peer-reviewed):

  1. M. Buonsanti, P. Bettini, A. Calcagno, E. Cardelli, M. Cioffi, E. Coccorese, P. di Barba, A. Faba, F. Ferraioli, L. Ferrigno, A. Formisano, M. Laracca, R. Martone, F.C. Morabito, M. Morozof, G. Rubinacci, A. Savini, R. Specogna, A. Stella, A. Tamburrino, F. Trevisan, S. Ventre, M. Versaci, F. Villone “Solution of direct and inverse problems in NDE: the MADEND Project”, in E'NDE, Electromagnetic Non-destructive Evaluation (IX), N. Bowler and Udpa (Eds.), IOS Press, July 2005, ISBN: 1-58603-522-3.

  2. R. Specogna, F. Trevisan
    "Progress report on Discrete Electromagnetism"
    Advanced Computational Electromagnetism (ACE) Seminar 2005, Tampere, Finland
    ISBN 952-15-1482-5, ISSN 1459-3300.

  3. M. Papais, R. Specogna, F. Trevisan, E. Cardelli, A. Faba, A. Tamburrino, S. Ventre, R. Martone, A. Formisano, F. C. Morabito, M. Versaci "Design of a system for the long defects detection with advanced methods for eddy-currents analysis", in E'NDE, Electromagnetic Non-destructive Evaluation (XI), A. Tamburrino, Y. Melikhov (Eds.), IOS Press, October 2008, pp. 195-202, ISBN: 978-1-58603-896-0.

  4. P. Dłotko, R. Specogna, F. Trevisan,
    "A homological algorithm for the automatic generation of cuts suitable for T-Omega eddy-current geometric formulation'',
    Advanced Computational Electromagnetism (ACE) Seminar 2009, Accademia dei Lincei, Rome, Italy, pp. 780-801,
    ISBN 978-952-15-2300-7, ISSN 1459-3270.

  5. L. Codecasa, R. Specogna, F. Trevisan,
    "Constitutive matrices over polyhedral grids for discrete geometric approaches'',
    Advanced Computational Electromagnetism (ACE) Seminar 2009, Accademia dei Lincei, Rome, Italy, pp. 614-629,
    ISBN 978-952-15-2300-7, ISSN 1459-3270.

International Conference Papers (peer-reviewed):

  1. P. Bettini, E. Cardelli, M. Cioffi, P. Di Barba, A. Faba, F. Ferraioli, A. Formisano, R. Martone, F.C. Morabito, M. Morozov, G. Rubinacci, A. Savini, R. Specogna, A. Stella, A. Tamburrino, F. Trevisan, S. Ventre, M. Versaci, F. Villone
    New trends in ECT applications from the MADEND project
    proceedings of PIERS 2004, Pisa (Italy), March 28 - 31 2004, pp. 731-734.

  2. P. Bettini, E. Cardelli, M. Cioffi, P. Di Barba, A. Faba, F. Ferraioli, A. Formisano, R. Martone, F.C. Morabito, M. Morozov, G. Rubinacci, A. Savini, R. Specogna, A. Stella, A. Tamburrino, F. Trevisan, S. Ventre, M. Versaci, F. Villone
    Direct and inverse electromagnetic methodologies: the proposal of MADEND project for ECT analysis
    proceedings of PIERS 2004, Pisa (Italy), March 28 - 31 2004, pp. 731-734.

  3. R. Specogna, F. Trevisan
    "Voltage driven coils within a Discrete Geometric Approach to 3D eddy-currents"
    proceedings of 11th IGTE Symposium on Numerical Fields Calculation 2004, 12-15 September 2004, Graz (Austria), pp. 81-85.

  4. E. Cardelli, A. Faba, R. Specogna, F. Trevisan
    "Feasibility Studies for the Detection of Long Defects in Hot Rods",
    p. 307, Proc. of CEFC 06, Miami.

  5. P. Dular, R. Specogna, F. Trevisan
    "Constitutive matrices using hexahedra in a discrete approach for eddy currents",
    p.185, Proc. of CEFC 06, Miami.

  6. L. Codecasa, R. Specogna, F. Trevisan
    "Symmetric positive-definite Ohm's constitutive matrices for discrete eddy-current problems"
    Advanced Computational Electromagnetism seminar, Boston (MA), USA.

  7. Ricci, M., Specogna, R., Trevisan, F., Burrascano, P., Pirani, A.
    "Image Reconstruction of Defects in Metallic Plates Using a Multi-Frequency Detector System and a Discrete Geometric Approach",
    9th Workshop on optimization and Inverse Problems in Electromagnetism (OIPE), pp. 73-74, September 13-15th 2006, Sorrento.

  8. A. De Lorenzi, L. Grando, R. Gobbo, G. Pesavento, P.Bettini, R.Specogna, F.Trevisan,
    "The insulation structure of the 1 Megavolt transmission line for the ITER neutral beam injector",
    24th Symposium on Fusion Technology (SOFT), 11-15 September 2006, Warsaw (Poland).

  9. E. Cardelli, V. Cutrupi, A. Faba, F. Ferraioli, A. Formisano, R. Martone, F.C. Morabito, M. Papais, R. Specogna, A. Tamburino, F. Trevisan, S. Ventre, M. Versaci, "OPTIMIZED DESIGN OF MEASUREMENT SYSTEMS FOR NON DESTRUCTIVE TESTING APPLICATIONS" ISEF 2007 - XIII International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering, Prague, Czech Republic, September 13-15, 2007.

  10. E. Cardelli, A. Faba, A. Formisano, R. Martone, F. C. Morabito, M. Papais, A. Pirani, M. Ricci, R. Specogna, A. Tamburrino, F. Trevisan, M. Versaci and S. Ventre, "The AMDE project: 3D volumetric anomalies reconstruction by eddy current testing'', ISEM 2007.

  11. R. Specogna, P. Dular, F. Trevisan, A perturbation method for the A-x geometric eddy-current formulation, NUMELEC 2008, 8-10/12/2008, Liège, Belgium.

  12. Lorenzo Codecasa, Patrick Dular, Ruben Specogna, Francesco Trevisan, A non-destructive testing application solved with A-\chi geometric eddy-current formulation, EMF 2009, 26-29/05/2009, Mondovì (CN), Italy.

  13. L. Codecasa, R. Specogna, F. Trevisan, The discrete geometric approach for wave propagation problems, International Conference on Electromagnetics in Advanced Applications (ICEAA) 2009, 14-18/09/2009, Torino, Italy.

Italian Conference Papers:

  1. P. Dular, R. Specogna, F. Trevisan “Matrici costitutive per esaedri in Formulazioni Geometriche Discrete”, Riunione Nazionale dei Ricercatori di Elettrotecnica ET2006, Torino.

  2. E.Cardelli, A. Faba, R. Specogna, F. Trevisan “Analisi di due configurazioni per la rilevazione di difetti lunghi in tondi caldi conduttori”, Riunione Nazionale dei Ricercatori di Elettrotecnica ET2006, Torino.

  3. E.Cardelli, A. Faba, R. Specogna, F. Trevisan “Ricostruzione dei difetti in un piatto conduttore utilizzando un sistema multifrequenza e la Formulazione Geometrica Discreta”, Riunione Nazionale dei Ricercatori di Elettrotecnica ET2006, Torino.

  4. P. Alotto, R. Specogna, F. Trevisan “Metodo $\theta$ per la soluzione di problemi di correnti indotte nel dominio del tempo mediante la Formulazione Geometrica Discreta”, Riunione Nazionale dei Ricercatori di Elettrotecnica ET2005, Roma.

  5. P. Dular, R. Specogna, F. Trevisan “Accoppiamento della Formulazione Geometrica Discreta A-$\chi$ con i circuiti”, Riunione Nazionale dei Ricercatori di Elettrotecnica ET2005, Roma.

Seminars:

  1. R. Specogna, “Formulazione geometrica discreta A-c per la soluzione di problemi di correnti indotte 3D”, Seminario sull’attività di ricerca svolta nel primo anno di dottorato, 14-10-2004, Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM), Univeristà di Udine.

  2. R. Specogna “Formulazioni Geometriche Discrete applicate allo studio di Campi Elettromagnetici”, Seminario in occasione del II Incontro tra i Dipartimenti DIMI e DIEGM, 13-07-2006, Università di Udine.

  3. R. Specogna “Sviluppo di metodi per la diagnostica elettromagnetica basati su Formulazioni Geometriche Discrete”, Riunione PRIN “Sviluppo di metodi per l'indagine elettromagnetica non invasiva e loro applicazione a processi di interesse industriale”, 12-09-2006, Hotel Parco dei Principi, Sorrento.

  4. R. Specogna “Sviluppo di metodi per la diagnostica elettromagnetica basati su Formulazioni Geometriche Discrete”, Riunione Finale PRIN “Sviluppo di metodi per l'indagine elettromagnetica non invasiva e loro applicazione a processi di interesse industriale”, 5-12-2006, Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM), Università di Udine.

  5. R. Specogna “Formulazioni Geometriche Discrete per lo studio di campi Elettrici e Magnetici: the GAME code”, Seminario sull’attività di ricerca svolta nel terzo anno di dottorato, 12-12-2006, Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM), Università di Udine.

  6. R. Specogna “Approccio discreto per la soluzione di problemi elettromagnetici ed elettromeccanici accoppiati: applicazioni su scala micrometrica”, Riunione Finale PRIN “Sviluppo di formulazioni discrete per la modellazione di dispositivi elettromagnetici complessi e per problemi multi-physics”, 18-01-2007, Università di Padova.

Thesis:

  1. "Metodo delle celle applicato alla modellazione di problemi di crosstalk sui circuiti stampati",
    Master Thesis, 09-04-2003, Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM), Univeristy of Udine.

  2. "Discrete Geometric formulations in computational electromagnetism: the GAME code",
    Ph.D. Thesis, 2007.

Technical reports:

  1. R. Specogna “ANSYS tutorial: Dispensa per il Laboratorio Numerico di Progettazione Numerica di Dispositivi elettrici e magnetici”, 17-01-2005, Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM), Univeristà di Udine.

  2. R. Specogna, F. Trevisan “GAME: a code to solve Maxwell’s Equations with Geometric Approaches”, 15-03-2004, Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM), Univeristà di Udine.