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Luis Chacon

Luis Chacon

Email
Phone (505) 667-8453

Expertise

Broad-based interest in computational physics algorithm development and implementation, with an evolving interest in computational co-design. Detailed contributions in the areas of: modern scalable algorithms for fluid and kinetic modeling of plasmas; moving-grid methods, adaptive mesh refinement; and implicit algorithms, Newton-Krylov methods, multilevel techniques. Broad-based interest in computational and theoretical plasma physics at the macroscopic scale, the kinetic scale, and across these scales (multi-scale). Detailed contributions to magnetic reconnection, magnetic confinement, and inertial confinement.

Education

POLYTECHNIC UNIVERSITY OF MADRID, Madrid, Spain

Ph.D. in Industrial Engineering, 2001 (Homologated)

UNIVERSITY OF ILLINOIS, Urbana-Champaign, IL, USA

Ph.D. in Nuclear Engineering, Jan. 2000 GPA: 3.98/4.0

UNIVERSITY OF ILLINOIS, Urbana-Champaign, IL, USA

M.S. Nuclear Engineering, May 1997 GPA: 3.96/4.0

POLYTECHNIC UNIVERSITY OF MADRID, Madrid, Spain

M.S.+B.S. Industrial Engineering, June 1994 GPA: 8.5/10.0

 

LANL Positions

Sept. 2015-present

Applied Math. and Plasma Physics, Theoretical Division, LANL, Scientist 5

Oct. 2014- Sept. 2015

Applied Math. and Plasma Physics, Theoretical Division, LANL, Deputy Group Leader (acting)

2012-Oct. 2014

Applied Math. and Plasma Physics, Theoretical Division, LANL, Scientist 5

2002-2008

Plasma Theory, Theoretical Division, LANL, Technical Staff Member

2000-2001

Plasma Theory, Theoretical Division, LANL, Director's Postdoctoral Fellow

1996-1999 (summers)

Plasma Theory, Theoretical Division, LANL, Graduate Research Assistant

 

Professional Societies

  • Associate  (since 2013) and Executive Editor (since 2015) of the Journal of Computational Physics

  • Member of the American Physical Society (APS) and the Society for Industrial and Applied Mathematics (SIAM).

  • Member of the Program Committee of the Copper Mountain Meeting on Iterative methods (since 2016)

  • Member of the Executive Committee of the International Sherwood Fusion Theory Conference 2008-2013 (vice-chair, 2010-11; chair, 2011-12).

  • Member of APS Division of Plasma Physics Program Committee (2005)

  • Member of APS Division of Computational Physics Metropolis Award Committee (2013)

  • Referee of J. Comput. Phys., SIAM J. Sci. Comput., Comput. Phys. Comm., Computers and Fluids, Phys. Plasmas, Phys. Rev. Lett., Phys. Rev. E, J. Geophys. Res., J. Plasma Physics, Nature Physics.

 

Awards

  • Director's Postdoctoral Fellow at LANL, 2000-01.

  • American Nuclear Society (ANS) Fusion Energy Division “Best Paper” award, 2000

  • Fellow of the Spanish Ministry of Education for Ph. D. studies in the USA, 1998-99.

  • La Caixa Fellow for Master of Science studies in the USA, 1995-97.

  • Fellow of the Spanish Ministry of Education for M.S. thesis research, 1993-94.

  • Outstanding Undergraduate Academic Performance Award, Polytechnic U. Madrid, 1991.

 

Publications

  1. Hans G. Rinderknecht, H.-S. Park, J.S. Ross, P.A. Amendt, S.C. Wilks, J. Katz, N.M. Hoffman, G. Kagan, E. Vold, B. Keenan, A. Simakov, and L. Chacón, “Measurements of ion velocity separation in multi-species plasma shocks,” Phys. Plasmas, submitted (2018)

  2. W. T. Taitano, A. N. Simakov, L. Chacón,1 and B. Keenan, “Yield degradation in inertial-confinement-fusion implosions due to shock-driven kinetic fuel-species stratification and viscous heating,” Phys. Plasmas, accepted (2018)

  3. W. T . Taitano, L. Chacón, A. N. Simakov, “An adaptive, implicit, conservative 1D-2V multi-species Vlasov-Fokker-Planck multiscale solver in planar geometry,” J. Comput. Phys., accepted (2018)

  4. Brett D. Keenan, Andrei N. Simakov, William T. Taitano, and L. Chacón, “Ion species stratification within strong shocks in two-ion plasmas,” Phys. Plasmas, 25, 032103 (2018)

  5. Xiang Fan, P. H. Diamond, L. Chacón, “CHNS: A Case Study of Turbulence in Elastic Media,” Phys. Plasmas, accepted (2017)

  6. Brett D. Keenan, Andrei N. Simakov, L. Chacón, and William T. Taitano, “Deciphering the Kinetic Structure of Multi-Ion Plasma Shocks,” Phys. Rev. E., 96, 053203 (2017)

  7. Xiang Fan, P. H. Diamond, L. Chacón, “Formation and Evolution of Target Patterns in Cahn-Hilliard Flows,” Phys. Rev. E Rapid Communications, 96 (4), 041101 (2017)

  8. M. Zuin, S. Dal Bello, L. Marrelli, M.E. Puiatti, P. Agostinetti, M. Agostini, V. Antoni, F. Auriemma, M. Barbisan, T. Barbui, M. Baruzzo, F. Belli, P. Bettini, M. Bigi, R. Bilel, M. Boldrin, T. Bolzonella, D. Bonfiglio, M. Brombin, A. Buffa, C. Bustreo, A. Canton, S. Cappello, L. Carraro, R. Cavazzana, D. Cester, L. Chacón, G. Chitarin, W.A. Cooper, L. Cordaro, M. Dalla Palma, S. Deambrosis, R. Delogu, A. De Lorenzi, G. De Masi, J.Q. Dong, D.F. Escande, A. Fassina, F. Felici, A. Ferro, C. Finotti, P. Franz, L. Frassinetti, E. Gaio, F. Ghezzi, L. Giudicotti, F. Gnesotto, M. Gobbin, W.A. Gonzalez, L. Grando, S.C. Guo, J.D. Hanson, S.P. Hirshman, P. Innocente, J.L. Jackson, S. Kiyama, M. Komm, O. Kudlacek, L. Laguardia, C. Li, B. Liu, S.F. Liu, Y.Q. Liu, D. López- Bruna, R. Lorenzini, T.C. Luce, A. Luchetta, A. Maistrello, G. Manduchi, D.K. Mansfield, G. Marchiori, N. Marconato, D. Marcuzzi, P. Martin, E. Martines, S. Martini, G. Mazzitelli, O. McCormack, E. Miorin, B. Momo, M. Moresco, Y. Narushima, M. Okabayashi, R. Paccagnella, N. Patel, M. Pavei, S. Peruzzo, N. Pilan, L. Pigatto, R. Piovan, P. Piovesan, C. Piron, L. Piron, I. Predebon, G. Pucella, C. Rea, M. Recchia, A. Rizzolo, G. Rostagni, C Ruset, L. Sajò-Bohus, H. Sakakita, R. Sanchez, J.S. Sarff, F. Sattin, P. Scarin, O. Schmitz, W. Schneider, M. Siragusa, P. Sonato, E. Spada, S. Spagnolo, M. Spolaore, D.A. Spong, G. Spizzo, L. Stevanato, Y. Suzuki, C. Taliercio, D. Terranova, O. Tudisco, G. Urso, M. Valente, M. Valisa, M. Vallar, M. Veranda, N. Vianello, F. Villone, P. Vincenzi, N. Visonà, R.B. White. P. Xanthopoulos, X.Y. Xu, V. Yanovskiy, A. Zamengo, P. Zanca, B. Zaniol, L. Zanotto, Y. Zhang and E. Zilli, “Overview of the RFX-mod Fusion Science Activity,” Nuclear Fusion, 57, 102012 (2017)

  9. Andrei N. Simakov , Brett D. Keenan, William T. Taitano, and Luis Chacón, “Plasma Ion Stratification by Weak Planar Shocks,” Phys. Plasmas, 24 (9), 092702 (2017)

  10. Marco Veranda, Daniele Bonfiglio, Susanna Cappello, Dominique Franck Escande, Fulvio Auriemma, Dario Borgogno, Luis Chacón, Alessandro Fassina, Paolo Franz, Marco Gobbin, Daniela Grasso, Maria Ester Puiatti, “Magnetohydrodynamics modelling successfully predicts new helical states in Reversed-Field Pinch fusion plasmas,” Nuclear Fusion, 57 (11), 116029 (2017)

  11. W. Taitano, L. Chacón, Andrei N. Simakov, “An Equilibrium-Preserving Discretization for the Nonlinear Fokker-Planck Operator in Arbitrary Multi-Dimensional Geometry,” J. Comput. Phys., 339, p 453-460 (2017)

  12. A. Stanier, W. Daughton, Andrei N. Simakov, L. Chacón, A. Le, H. Karimabadi, Jonathan Ng, and A. Bhattacharjee, “The role of guide field on magnetic reconnection during island coalescence,” Phys. Plasmas, 24, 022124 (2017)

  13. D. Bonfiglio, M. Veranda, S. Cappello, L. Chacón, and D. F. Escande, “Sawtooth mitigation in 3D MHD tokamak modelling with applied magnetic perturbations,” Plasma Physics and Controlled Fusion, 59, 014032 (2017)

  14. L. Chacón, G. Chen, D. A. Knoll, C. Newman, H. Park, W. Taitano, J. A. Willert, G. Womeldorff, “Multiscale high-order/low-order (HOLO) algorithms and applications,” J. Comput. Phys., 330, 21-25 (2017)

  15. L. Yin, B. J. Albright, W. Taitano, E. L. Vold, L. Chacón, and A. Simakov, “Plasma kinetic effects on interfacial mix,” Phys. Plasmas, 23, 112302 (2016)

  16. H. Sio, J.A. Frenje, J. Katz, C. Stoeckl, D. Weiner, M. Bedzyk, V. Glebov, C. Sorce, M. Gatu Johnson, H. G. Rinderknecht, A. B. Zylstra, T. C. Sangster, S. P. Regan, T. Kwan, A. Le, A. N. Simakov, W. T. Taitano, L. Chacón, B. Keenan, R. Shah, G. Sutcliffe, and R.D. Petrasso, “A Particle X-ray Temporal Diagnostic (PXTD) for studies of kinetic, multi-ion effects and ion-electron equilibration rates in Inertial Confinement Fusion plasmas at OMEGA,” Rev. Sci. Instr., 87, 11D701 (2016)

  17. Grigory Kagan, H. W. Herrmann, Y.-H. Kim, M. J. Schmitt, P. Hakel, S. C. Hsu, N. M. Hoffman, D. Svyatsky, S. D. Baalrud, J. O. Daligault, H. Sio A. B. Zylstra, M. J. Rosenberg , H. G. Rinderknecht, M. Gatu Johnson, J. A. Frenje, F. H. Seguin, C.K. Li, R. D. Petrasso, B. J. Albright, W. Taitano, G.A. Kyrala, P. A. Bradley, C.-K. Huang, C. J. McDevitt, L. Chacón, B. Srinivasan, A. M. McEvoy, T. R. Joshi and C. S. Adams, “Kinetic studies of ICF implosions,” Journal of Physics: Conference Series, 717, 012027 (2016)

  18. Xiang Fan, P. H. Diamond, L. Chacón, H. Li, “Cascades and Spectra of a Turbulent Spinodal Decomposition in Two-dimensional Symmetric Binary Liquid Mixture,” Phys. Rev. Fluids, 1, 054403 (2016)

  19. L. Chacón, A. Stanier, “A scalable, fully implicit algorithm for the low-β extended MHD model,” J. Comput. Phys, 326, 763–772 (2016)

  20. L. Chacón, G. Chen, “A curvilinear, fully implicit, conservative electromagnetic PIC algorithm in multiple dimensions,” J. Comput. Phys., 316, 578–597 (2016)

  21. W. T. Taitano, L. Chacón, A. N. Simakov, “An adaptive, conservative multispecies Rosenbluth-Fokker-Planck solver for arbitrarily disparate mass and temperature regimes,” J. Comput. Phys., 318, 391–420 (2016)

  22. J. N. Shadid, R. P. Pawlowski, E. C. Cyr, R. S. Tuminaro, L. Chacón, P. D. Weber, “Scalable Implicit Incompressible Resistive MHD with Stabilized FE and Fully-coupled Newton-Krylov-AMG,” Comp. Meth. App. Mech. and Eng., 304, 1-25 (2016)

  23. Christopher Newman, Geoffrey Womeldorff, Dana A. Knoll, Luis Chacón, “A Communication-avoiding Implicit-Explicit method for a Free-Surface Ocean model,” J. Comput. Phys., 305, 877-894 (2016)

  24. A. Stanier, W. Daughton, L. Chacón, H. Karimabadi, J. Ng, Y.-M. Huang, A. Hakim, A. Bhattacharjee, “Role of ion kinetic physics in the interaction of magnetic flux-ropes,” Phys. Rev. Lett., 115, 175004 (2015)

  25. G. Chen, L. Chacón, “A multi-dimensional, energy- and charge-conserving, nonlinearly implicit, electromagnetic Vlasov-Darwin particle-in-cell algorithm,” Comput. Phys. Comm., 197, 73-87 (2015)

  26. Christopher Newman, Geoffrey Womeldorff, Luis Chacón, Dana A. Knoll, “High-Order/Low-Order Methods for Ocean Modeling,” Procedia Computer Science, 51, p. 2086-2096 (2015)

  27. W. T. Taitano, L. Chacón, A. N. Simakov, K. Molvig, “A mass, momentum, and energy conserving, fully implicit, scalable algorithm for the multi-dimensional, multi-Species Rosenbluth-Fokker-Planck equation,” J. Comput. Phys., 297, 257-380 (2015)

  28. A. Stanier, Andrei N. Simakov, L. Chacón, and W. Daughton, “Fluid vs. kinetic magnetic reconnection with strong guide fields,” Phys. Plasmas, 22, 101203 (2015)

  29. A. Stanier, Andrei N. Simakov, L. Chacón, and W. Daughton, “Fast magnetic reconnection with large guide fields,” Phys. Plasmas, 22, 010701 (2015)

  30. M.E. Puiatti, S. Dal Bello, L. Marrelli, P. Martin, P. Agostinetti, M. Agostini, V. Antoni, F. Auriemma, M. Barbisan, T. Barbui, M. Baruzzo, M. Battistella, F. Belli, P. Bettini, M. Bigi, R. Bilel, M. Boldrin, T. Bolzonella, D. Bonfiglio, M. Brombin, A. Buffa, A. Canton, S. Cappello, L. Carraro, R. Cavazzana, D. Cester, L. Chacón, B. Chapman, G. Chitarin, G. Ciaccio , W. A. Cooper, M. Dalla Palma, S. Deambrosis, R. Delogu, A. De Lorenzi, G. De Masi, J. Q. Dong, D. F. Escande, B. Esposito, A. Fassina, F. Fellin, A. Ferro, C. Finotti, P. Franz, L. Frassinetti, M. Furno Palumbo, E. Gaio, F. Ghezzi, L. Giudicotti, F. Gnesotto, M. Gobbin, W.A. Gonzales, L. Grando, S. C. Guo, J.D. Hanson, S. P. Hirshman, P. Innocente, J. L. Jackson, S. Kiyama, M. Komm, L. Laguardia, S. F. Liu, Y. Q. Liu, R. Lorenzini, T. C. Luce, A. Luchetta, A. Maistrello, G. Manduchi, D. K. Mansfield, G. Marchiori, N. Marconato, D. Marocco, D. Marcuzzi, E. Martines, S. Martini, G. Matsunaga, G. Mazzitelli, E. Miorin, B. Momo, M. Moresco, M. Okabayashi, E. Olofsson, R. Paccagnella, N. Patel, M. Pavei, S. Peruzzo, N. Pilan, L. Pigatto, R. Piovan, P. Piovesan, C. Piron, L. Piron, I. Predebon, C. Rea, M. Recchia, V. Rigato, A. Rizzolo, A.L. Roquemore, G. Rostagni, C Ruset, A. Ruzzon, L. SajoĢ€-Bohus, H. Sakakita, R. Sanchez, J. S. Sarff, E. Sartori, F. Sattin, A. Scaggion, P. Scarin, O. Schmitz, P. Sonato, E. Spada, S. Spagnolo, M. Spolaore, D. A. Spong, G. Spizzo, L. Stevanato, M. Takechi, C. Taliercio, D. Terranova, G.L. Trevisan, G. Urso, M. Valente, M. Valisa, M. Veranda, N. Vianello, G. Viesti, F. Villone, P. Vincenzi, N. Visona’, Z.R. Wang, R. B. White, P. Xanthopoulos, X. Y. Xu, V. Yanovskiy, A. Zamengo, P. Zanca, B. Zaniol, L. Zanotto, E. Zilli, M. Zuin, “Overview of the RFX-mod contribution to the international Fusion Science Program,” Nuclear Fusion, accepted (2015)

  31. D. Bonfiglio, M. Veranda, S. Cappello, D. F. Escande, L. Chacón, “Helical self-organization in 3D MHD modelling of fusion plasmas,” Plasma Phys. Controlled Fusion, 57, 044001 (2015)

  32. W.T.Taitano, L. Chacón, “Charge-and-Energy Conserving Moment Based Accelerator for a Multi-Species Vlasov-Fokker-Planck-Ampère System, Part I: Collisionless Aspects,” J. Comput. Phys., 284, 718-736 (2015)

  33. W.T.Taitano, D.A. Knoll, L. Chacón, “Charge-and-Energy Conserving Moment Based Accelerator for a Multi-Species Vlasov-Fokker-Planck-Ampère System, Part II: Collisional Aspects,” J. Comput. Phys., 284, 737-757 (2015)

  34. G. Chen, L. Chacón, “An energy- and charge-conserving, nonlinearly implicit, electromagnetic 1D-3V Vlasov–Darwin particle-in-cell algorithm,” Comput. Phys. Commun., 185 (10), 2391-2402 (2014)

  35. W.T. Taitano, D.A. Knoll, L. Chacón, J. Reisner, A.K. Prinja, “Moment-Based Acceleration for

    Neutral Gas Kinetics with BGK Collision Operator,” Transp. Theory and Stat. Phys., 43, 1–26 (2014)

  36. L. Chacón, D. del-Castillo-Negrete, C. D. Hauck, “An asymptotic-preserving semi-Lagrangian algorithm for the time-dependent anisotropic heat transport equation,” J. Comput. Phys., 272, 719–746 (2014)

  37. Joshua Payne, Dana Knoll, Allen McPherson, William Taitano, Luis Chacón, Guangye Chen, and Scott Pakin, “Computational Co-Design of a Multiscale Plasma Application: A Process and Initial Results,” Proceedings of the 28th IEEE International Parallel & Distributed Processing Symposium, 1093-1102 (2014)

  38. G. Chen, L. Chacón, C. Leibs, D. A. Knoll, W. Taitano, “Fluid preconditioning for Newton-Krylov-based, fully implicit, electrostatic particle-in-cell simulations”, J. Comput. Phys., 258, 555–567 (2014)

  39. P. Martin, M.E. Puiatti, P. Agostinetti, M. Agostini, J.A. Alonso, V. Antoni, L. Apolloni, F. Auriemma, F. Avino, A. Barbalace, M. Barbisan, T. Barbui, S. Barison, M. Barp, M. Baruzzo, P. Bettini, M. Bigi, R. Bilel, M. Boldrin, T. Bolzonella, D. Bonfiglio, F. Bonomo, M. Brombin, A. Buffa, C. Bustreo, A. Canton, S. Cappello, D. Carralero, L. Carraro, R. Cavazzana, L. Chacón, B. Chapman, G. Chitarin, G. Ciaccio, W.A. Cooper, S. Dal Bello, M. Dalla Palma, R. Delogu, A. De Lorenzi, G.L. Delzanno, G. De Masi, M. De Muri, J.Q. Dong, D.F. Escande, F. Fantini, A. Fasoli, A. Fassina, F. Fellin, A. Ferro, S. Fiameni, J.M. Finn, C. Finotti, A. Fiorentin, N. Fonnesu, J. Framarin, P. Franz, L. Frassinetti, I. Furno, M. Furno Palumbo, E. Gaio, E. Gazza, F. Ghezzi, L. Giudicotti, F. Gnesotto, M. Gobbin, W.A. Gonzales, L. Grando, S.C. Guo, J.D. Hanson, C. Hidalgo, Y. Hirano, S.P. Hirshman, S. Ide, Y. In, P. Innocente, G.L. Jackson, S. Kiyama, S.F. Liu, Y.Q. Liu, D. López Bruna, R. Lorenzini, T.C. Luce, A. Luchetta, A. Maistrello, G. Manduchi, D.K. Mansfield, G. Marchiori, N. Marconato, D. Marcuzzi, L. Marrelli, S. Martini, G. Matsunaga, E. Martines, G. Mazzitelli, K. McCollam, B. Momo, M. Moresco, S. Munaretto, L. Novello, M. Okabayashi, E. Olofsson, R. Paccagnella, R. Pasqualotto, M. Pavei, S. Peruzzo, A. Pesce, N. Pilan, R. Piovan, P. Piovesan, C. Piron, L. Piron, N. Pomaro, I. Predebon, M. Recchia, V. Rigato, A. Rizzolo, A.L. Roquemore, G. Rostagni, A. Ruzzon, H. Sakakita, R. Sánchez, J.S. Sarff, E. Sartori, F. Sattin, A. Scaggion, P. Scarin, W. Schneider, G. Serianni, P. Sonato, E. Spada, A. Soppelsa, S. Spagnolo, M. Spolaore, D.A. Spong, G. Spizzo, M. Takechi, C. Taliercio, D. Terranova, C. Theiler, V. Toigo, G.L. Trevisan, M. Valente, M. Valisa, P. Veltri, M. Veranda, N. Vianello, F. Villone, Z.R. Wang, R.B. White1, X.Y. Xu, P. Zaccaria, A. Zamengo, P. Zanca, B. Zaniol, L. Zanotto, E. Zilli, G. Zollino and M. Zuin, “Overview of the RFX-mod fusion science programme,” Nucl. Fusion, 53, 104018 (2013)

  40. L. Piron, P. Piovesan, F. Auriemma, D. Bonfiglio, L. Carraro, L. Chacón, L. Marrelli, M. Valisa, M. Veranda, B. Zaniol, M. Zuin, “3D magnetic fields and plasma rotation in RFX-mod tokamak plasmas,” Nucl. Fusion, 53, 113022 (2013)

  41. D. Bonfiglio, M. Veranda, S. Cappello, D. F. Escande, and L. Chacón, “Experimental-like helical self-organization in reversed-field pinch modeling,” Phys. Rev. Lett., 111 (8), 085002 (2013)

  42. P. Piovesan, D. Bonfiglio, F. Auriemma, F. Bonomo, L. Carraro, R. Cavazzana, G. De Masi, A. Fassina, P. Franz, M. Gobbin, L. Marrelli, P. Martin, E. Martines, B. Momo, L. Piron, M. Valisa, M. Veranda, N. Vianello, B. Zaniol, M. Agostini, M. Baruzzo, T. Bolzonella, A. Canton, S. Cappello, L. Chacón, G. Ciaccio, D.F. Escande, P. Innocente, R. Lorenzini, R. Paccagnella1, M.E. Puiatti, P. Scarin, A. Soppelsa, G. Spizzo, M. Spolaore, D. Terranova, P. Zanca, L. Zanotto, M. Zuin, “RFX-mod: a multi-configuration fusion facility for 3D physics studies,” Phys. Plasmas, 20, 056112 (2013)

  43. G. Ciaccio, M. Veranda, D. Bonfiglio, S. Cappello, G. Spizzo, L. Chacón, and R. B. White, “Numerical verification of Orbit and NEMATO codes,” Phys. Plasmas, 20, 062505 (2013)

  44. W. T. Taitano, D. A. Knoll, L. Chacón, G. Chen, “Development of a consistent and stable fully implicit moment method for Vlasov-Ampére Particle-in-cell (PIC) system,” SIAM J. Sci. Comput., 35 (5), S126-S149 (2013).

  45. M. Veranda, D. Bonfiglio, S. Cappello, L. Chacón, D. F. Escande, “Impact of helical boundary conditions on nonlinear 3D MHD simulations of the reversed-field pinch,” Plasma Phys. Controlled Fusion, 55, 074015 (2013)

  46. G. Chen, L. Chacón, “An analytical particle mover for the charge- and energy-conserving, nonlinearly implicit, electrostatic particle-in-cell algorithm,” J. Comput. Phys., 247, 79–87 (2013)

  47. E. C. Cyr, J. N. Shadid, R. S. Tuminaro, R. P. Pawlowski, and L. Chacón, “A new approximate block factorization preconditioner for 2D incompressible (reduced) resistive MHD,” SIAM J. Sci. Comput., 35 (3) B701-B730 (2013)

  48. L. Chacón, G. Chen, D. C. Barnes, “A charge- and energy-conserving implicit, electrostatic particle-in-cell algorithm on mapped computational meshes,” J. Comput. Phys., 233, 1–9 (2013)

  49. G. Chen, L. Chacón, D. C. Barnes, “An efficient mixed-precision, hybrid CPU–GPU implementation of a nonlinearly implicit one-dimensional particle-in-cell algorithm,” J. Comput. Phys., 231, 5374-5388 (2012)

  50. D. del-Castillo-Negrete, L. Chacón, “Parallel heat transport in integrable and chaotic magnetic fields,” Phys. Plasmas, 19, 056112 (2012)

  51. S. Cappello, D. Bonfiglio, D.F. Escande, S.C. Guo, I. Predebon, F. Sattin, M. Veranda, P. Zanca, C. Angioni, L. Chacón, J.Q. Dong, X. Garbet, and S.F. Liu, “Equilibrium and transport for quasi-helical reversed field pinches,” Nucl. Fusion 51, 103012 (2011)

  52. H. Karimabadi, J. Dorelli, V. Roytershteyn, W. Daughton, L. Chacón, “Flux Pileup in Collisionless Magnetic Reconnection: Bursty Interaction of Large Flux Ropes,” Phys. Rev. Lett., 107, 025002 (2011)

  53. G. Chen, L. Chacón, D. C. Barnes, “An energy- and charge-conserving, implicit, electrostatic

    particle-in-cell algorithm,” J. Comput. Phys., 230, 7018–7036 (2011)

  54. D. del-Castillo-Negrete, L. Chacón, “Local and nonlocal parallel heat transport in general magnetic fields,” Phys. Rev. Lett., 106, 195004 (2011)

  55. L. Chacón, G. L. Delzanno, J. M. Finn, “Robust, multidimensional mesh-motion based on Monge–Kantorovich equidistribution,” J. Comput. Phys. 230, pp. 87-103 (2011)

  56. D Bonfiglio, M. Veranda, S. Cappello, L Chacón, and G. Spizzo, “Magnetic chaos healing in the helical reversed-field pinch: indications from the volume-preserving field line tracing code NEMATO,” J. Physics: Conf. Series, 260, 012003 (2010)

  57. D. Bonfiglio, L. Chacón, S. Cappello, “Nonlinear 3D verification of the SpeCyl and PIXIE3D MHD codes for fusion plasmas,” Phys. Plasmas, 17, 082501 (2010)

  58. J. N. Shadid, R. P. Pawlowski, J.W. Banks, L. Chacón, P.T Lin, R.S. Tuminaro, “Towards a Scalable Fully-Implicit Fully-coupled Resistive MHD Formulation with Stabilized FE Methods,” J. Comput. Phys., 229, 7649 (2010)

  59. A. N. Simakov, L. Chacón, A. Zocco, “Fundamental role of ion viscosity on fast magnetic reconnection

    in large-guide-field regimes,” Phys. Plasmas, 17, 060701 (2010)

  60. A. Zocco, L. Chacón, A. N. Simakov, “Current sheet bifurcation and collapse in electron magnetohydrodynamics,” Phys. Plasmas, 16, 110703 (2009)

  61. A. N. Simakov, L. Chacón, “Quantitative analytical model for magnetic reconnection in Hall magnetohydrodynamics,” Phys. Plasmas, 16, 055701 (2009)

  62. G. L. Delzanno, L. Chacón, J. M. Finn, “Electrostatic mode associated with the pinch velocity in Reversed Field Pinch simulations,” Phys. Plasmas, 15, 122102 (2008)

  63. John M. Finn, Gian Luca Delzanno, and Luis Chacón, “Grid generation and adaptation by Monge-Kantorovich optimization in two and three dimensions,” Proceedings of the 17th International Meshing Roundtable, Pittsburgh, PA, USA, p. 551 (2008)

  64. G. L. Delzanno, L. Chacón, J. M. Finn, G. Lapenta, Y. Chung, “An optimal robust equidistribution method for two-dimensional grid generation based on Monge-Kantorovich optimization,” J. Comput. Phys., 227 (23), pp. 9841-9864 (2008)

  65. L. Chacón, “Scalable solvers for 3D magnetohydrodynamics,” J. Physics: Conf. Series, 125, 012041 (2008)

  66. A. Simakov, L. Chacón, “A quantitative, comprehensive, analytical model for magnetic reconnection in Hall magnetohydrodynamics,” Phys. Rev. Lett., 101, 105003 (2008)

  67. L. Chacón, A. N. Simakov, V. S. Lukin, A. Zocco, “Fast reconnection in nonrelativistic 2D electron-positron (pair) plasmas,” Phys. Rev. Lett., 101, 025003 (2008)

  68. B. Philip, L. Chacón, M. Pernice, “Implicit adaptive mesh refinement for 2D MHD computations,” J. Comput. Phys., 227 (20), pp. 8855-8874 (2008)

  69. L. Chacón, “An optimal, parallel, fully implicit Newton-Krylov solver for three-dimensional visco-resistive magnetohydrodynamics,” Phys. Plasmas, 15, 056103 (2008)

  70. L. Chacón, A. N. Simakov, A. Zocco, “Steady state properties of driven magnetic reconnection in 2D EMHD,” Phys. Rev. Lett., 99, 235001 (2007)

  71. E. G. Evstatiev, R. A. Nebel, L. Chacón, J. Park, and G. Lapenta, "Space Charge Neutralization and Plasma Compression in the Periodically Oscillating Plasma Sphere (POPS)," Phys. Plasmas, 14 (4) (2007)

  72. B. Philip, M. Pernice, and L. Chacón, "Solution of reduced resistive magnetohydrodynamics using implicit adaptive mesh refinement," Lecture Notes in Computational Science and Engineering, 55, 725-731 (2007).

  73. A. Simakov, L. Chacón, D. A. Knoll, “Semi-analytical model for flux-pileup-limited, dynamically reconnecting systems in resistive magnetohydrodynamics,” Phys. Plasmas, 13, 082103 (2006).

  74. G. Lapenta, L. Chacón, "Cost-effectiveness of fully implicit moving mesh adaptation: a practical investigation in 1D," J. Comput. Phys., 219 (1), 86-103 (2006).

  75. D. A. Knoll, L. Chacón, "Coalescence of magnetic islands in the low resistivity, Hall MHD regime," Phys. Rev. Lett., 96, 135001 (2006).

  76. D. A. Knoll, L. Chacón, "Coalescence of magnetic islands, sloshing, and the pressure problem," Phys. Plasmas, 13 (3), 032307 (2006).

  77. L. Chacón, G. Lapenta, "A fully implicit, nonlinear adaptive grid strategy," J. Comput. Phys., 212 (2), 703-717 (2006).

  78. D. A. Knoll, V. A. Mousseau, L. Chacón, J. Reisner, "Jacobian-free Newton-Krylov methods for the accurate time integration of stiff wave systems," J. Sci. Comput., 25 (1/2), 213-230 (2005).

  79. J. M. Finn, L. Chacón, "Volume preserving integrators for solenoidal fields on a grid," Phys. Plasmas, 12, 054503 (2005).

  80. L. Chacón, "A non-staggered, conservative, div(B)=0, finite-volume scheme for 3D implicit extended magnetohydrodynamics in curvilinear geometries," Comput. Phys. Comm., 163 (3), 143-171 (2004).

  81. J. M. Finn, L. Chacón, "Control of linear and nonlinear resistive wall modes," Phys. Plasmas, 11 (5), 1866-78 (2004).

  82. L. Chacón, D. A. Knoll, "A 2D high-beta Hall MHD implicit nonlinear solver," J. Comput. Phys., 188 (2), 573-592 (2003).

  83. D. A. Knoll, L. Chacón, L. G. Margolin, and V. A. Mousseau, "On balanced approximations for time integration of multiple time scale systems," J. Comput. Phys., 185, 583-611 (2003).

  84. L. Chacón, D. A. Knoll, J. M. Finn, "Hall MHD effects on the 2-D Kelvin-Helmholtz/tearing instability," Phys. Lett.:A, 308 (2-3), 187-97 (2003).

  85. D. C. Barnes, L. Chacón, and J. M. Finn, "Equilibrium and low-frequency stability of a uniform density, collisionless, spherical Vlasov system," Phys. Plasmas, 9 (11), 4448-4464 (2002).

  86. L. Chacón, J. M. Finn, D. A. Knoll, "Nonlinear study of the curvature-driven parallel velocity shear/tearing instability," Phys. Plasmas, 9 (4), 1164-1176 (2002).

  87. L. Chacón, D. A. Knoll, J. M. Finn, "An implicit, nonlinear reduced resistive MHD solver," J. Comput. Phys., 178, 15-36 (2002).

  88. D. A. Knoll, L. Chacón, "Magnetic reconnection in the two-dimensional Kelvin-Helmholtz instability," Phys. Rev. Lett., 88 (21), 215003 (2002).

  89. L. Chacón, D. C. Barnes, D. A. Knoll, G. H. Miley, "A bounce-averaged ion Fokker-Planck code for Penning fusion devices," Comp. Phys. Comm., 134 (2), 183-208 (2001).

  90. L. Chacón, D. C. Barnes, "Stability of thermal ions confined by rigid-rotor electron clouds in Penning fusion systems," Phys. Plasmas, 7 (11), 4774-4777 (2000).

  91. L. Chacón, D. C. Barnes, D. A. Knoll, G. H. Miley, "Energy gain calculations in Penning fusion systems using a bounce-averaged Fokker-Planck model," Phys. Plasmas, 7 (11), 4547-4560 (2000).

  92. D. C. Barnes, M. M . Schauer, K. Umstadter, L. Chacón, G. H. Miley, "Electron equilibrium and confinement in a modified Penning trap and its application to Penning fusion," Phys. Plasmas, 7 (5), 1693-1701 (2000).

  93. L. Chacón, D. C. Barnes, D. A. Knoll, G. H. Miley, "An implicit energy-conservative 2D Fokker-Planck algorithm: I - Difference scheme," J. Comput. Phys., 157, 618-653 (2000).

  94. L. Chacón, D. C. Barnes, D. A. Knoll, G. H. Miley, "An implicit energy-conservative 2D Fokker-Planck algorithm: II- Jacobian-free Newton-Krylov solver," J. Comput. Phys., 157, 654-682 (2000).

  95. L. Chacón, G. H. Miley, "Inertial electrostatic confinement 3He breeder for D-3He satellite systems," Fusion Technol., 33, 182-209 (1998).

  96. P. M. Velarde, J. M. Martínez-Val, S. Eliezer, M. Piera, L. Chacón, "Conical targets and pinch confinement for inertial fusion," Laser and Particle Beams, 14 (4), 665-678 (1996).

 
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