Alejandro Alvarez Laguna

45
Documents

Présentation

Publications

Publications

Deposit thumbnail

Benchmark for two-dimensional large scale coherent structures in partially magnetized E × B plasmas—community collaboration & lessons learned

Andrew T Powis , Eduardo Ahedo , Alejandro Álvarez Laguna , Nicolas Barléon , Enrique Bello-Benítez et al.

Plasma Sources Science and Technology, 2026, 35 (2), pp.025002. ⟨10.1088/1361-6595/ae3985⟩

Article dans une revue hal-05502126v1
Deposit thumbnail

Hall thruster modeling with multiple simulation techniques: Model benchmarking, fluid–kinetic consistency, and experimental validation

Federico Petronio , Alejandro Alvarez Laguna , Anne Bourdon , Trevor Lafleur , Pascal Chabert

Journal of Applied Physics, 2026, 139 (9), pp.093303. ⟨10.1063/5.0305019⟩

Article dans une revue hal-05535223v1
Deposit thumbnail

Kinetic theory and moment models of electrons in a reactive weakly-ionized non-equilibrium plasma

Alejandro Alvarez Laguna , Teddy Pichard

Kinetic and Related Models , 2025, ⟨10.3934/krm.2025007⟩

Article dans une revue hal-04886705v1
Deposit thumbnail

Comparison of high-order moment models for the ion dynamics in a bounded low-temperature plasma

Anatole Berger , N. Lequette , Thierry E. Magin , Anne Bourdon , A. Alvarez Laguna

Physics of Plasmas, 2025, 32 (10), ⟨10.48550/arXiv.2505.10456⟩

Article dans une revue hal-05068896v2
Deposit thumbnail

Bridging multifluid and drift-diffusion models for bounded plasmas

G M Gangemi , Alejandro Alvarez Laguna , M. Massot , K. Hillewaert , T. Magin

Physics of Plasmas, 2025, 32 (2), pp.023502. ⟨10.1063/5.0240640⟩

Article dans une revue hal-04930133v1
Deposit thumbnail

Refining the modeling strategy for anomalous electron transport in fluid simulations of Hall thrusters via insights from PIC simulations

Federico Petronio , Alejandro Alvarez Laguna , Martin Jacques Guillon , Anne Bourdon , Pascal Chabert

Physics of Plasmas, 2025, 32 (7), pp.073513. ⟨10.1063/5.0274535⟩

Article dans une revue hal-05183698v1
Deposit thumbnail

Study of the breathing mode development in Hall thrusters using hybrid simulations

Federico Petronio , Alejandro Alvarez Laguna , Anne Bourdon , Pascal Chabert

Journal of Applied Physics, 2024, 135 (7), ⟨10.1063/5.0188859⟩

Article dans une revue hal-04476595v1
Deposit thumbnail

Two-dimensional effects on electrostatic instabilities in Hall thrusters. II. Comparison of particle-in-cell simulation results with linear theory dispersion relations

Federico Petronio , Thomas Charoy , Alejandro Alvarez Laguna , Anne Bourdon , Pascal Chabert

Physics of Plasmas, 2023, 30 (1), pp.012104. ⟨10.1063/5.0119255⟩

Article dans une revue hal-03946320v1
Deposit thumbnail

Two-dimensional effects on electrostatic instabilities in Hall thrusters. I. Insights from particle-in-cell simulations and two-point power spectral density reconstruction techniques

Federico Petronio , Thomas Charoy , Alejandro Alvarez Laguna , Anne Bourdon , Pascal Chabert

Physics of Plasmas, 2023, 30 (1), pp.012103. ⟨10.1063/5.0119253⟩

Article dans une revue hal-03935095v1
Deposit thumbnail

Discussion on the transport processes in electrons with non-Maxwellian energy distribution function in partially-ionized plasmas

Alejandro Alvarez Laguna , B Esteves , J-L Raimbault , A Bourdon , P Chabert

Plasma Physics and Controlled Fusion, 2023, 65 (5), pp.054002. ⟨10.1088/1361-6587/acc422⟩

Article dans une revue (article de synthèse) hal-04053504v1
Deposit thumbnail

Three-dimensional unsteady model of arc heater plasma flow

Jeremie B.E. Meurisse , Alejandro Alvarez Laguna , Marco Panesi , Nagi Mansour

Aerospace Science and Technology, 2022, 123, pp.107465. ⟨10.1016/j.ast.2022.107465⟩

Article dans une revue hal-03730481v1
Deposit thumbnail

Charged-particles measurements in low-pressure iodine plasmas used for electric propulsion

B Esteves , F Marmuse , C Drag , A Bourdon , A Alvarez Laguna et al.

Plasma Sources Science and Technology, 2022, 31 (8), pp.085007. ⟨10.1088/1361-6595/ac8288⟩

Article dans une revue hal-03812518v1
Deposit thumbnail

CFD for turbulence: from fundamentals to geophysics and astrophysics

Claude Cambon , Alejandro Alvarez Laguna , Ye Zhou

Comptes Rendus. Mécanique, 2022, 350 (S1), pp.1-20. ⟨10.5802/crmeca.135⟩

Article dans une revue hal-03902787v1
Deposit thumbnail

A regularized high-order moment model to capture non-Maxwellian electron energy distribution function effects in partially ionized plasmas

Alejandro Alvarez Laguna , B. Esteves , A. Bourdon , P. Chabert

Physics of Plasmas, 2022, 29 (8), pp.083507. ⟨10.1063/5.0095019⟩

Article dans une revue hal-03758363v1
Deposit thumbnail

2D radial-azimuthal particle-in-cell benchmark for E × B discharges

W Villafana , Federico Petronio , A Denig , M Jimenez , D Eremin et al.

Plasma Sources Science and Technology, 2021, 30 (7), pp.075002. ⟨10.1088/1361-6595/ac0a4a⟩

Article dans une revue hal-03285311v1
Deposit thumbnail

The interaction between ion transit-time and electron drift instabilities and their effect on anomalous electron transport in Hall thrusters

Thomas Charoy , Trevor Lafleur , Alejandro Alvarez-Laguna , Anne Bourdon , Pascal Chabert

Plasma Sources Science and Technology, 2021, 30 (6), pp.065017. ⟨10.1088/1361-6595/ac02b3⟩

Article dans une revue hal-03232799v1
Deposit thumbnail

Conditions of appearance and dynamics of the modified two-stream instability in E × B discharges

Federico Petronio , Antoine Tavant , Thomas Charoy , Alejandro Alvarez-Laguna , Anne Bourdon et al.

Physics of Plasmas, 2021, 28 (4), pp.043504. ⟨10.1063/5.0046843⟩

Article dans une revue hal-03220442v1
Deposit thumbnail

An asymptotic preserving well-balanced scheme for the isothermal fluid equations in low-temperature plasma applications

Alejandro Alvarez-Laguna , Teddy Pichard , Thierry Magin , Pascal Chabert , Anne Bourdon et al.

Journal of Computational Physics, 2020, 419, pp.109634. ⟨10.1016/j.jcp.2020.109634⟩

Article dans une revue hal-02116610v1
Deposit thumbnail

Consistent transport properties in multicomponent two-temperature magnetized plasmas: Application to the Sun chromosphere

Quentin Wargnier , Alejandro Alvarez-Laguna , James B Scoggins , Nagi N Mansour , Marc Massot et al.

Astronomy & Astrophysics - A&A, 2020, 635, pp.A87. ⟨10.1051/0004-6361/201834686⟩

Article dans une revue hal-01898695v1

Collisionless ion modeling in Hall thrusters: Analytical axial velocity distribution function and heat flux closures

S. Boccelli , Thomas Charoy , Alejandro Alvarez-Laguna , P. Chabert , Anne Bourdon et al.

Physics of Plasmas, 2020, 27 (7), pp.073506. ⟨10.1063/5.0006258⟩

Article dans une revue hal-02950586v1
Deposit thumbnail

Plasma-sheath transition in multi-fluid models with inertial terms under low pressure conditions: Comparison with the classical and kinetic theory

Alejandro Alvarez-Laguna , Thierry E. Magin , Marc Massot , Anne Bourdon , Pascal Chabert

Plasma Sources Science and Technology, 2020, ⟨10.1088/1361-6595/ab6242⟩

Article dans une revue hal-02551832v1

A GPU-enabled implicit Finite Volume solver for the ideal two-fluid plasma model on unstructured grids

Isaac Alonso Asensio , Alejandro Alvarez Laguna , Mohamed Hassanine Aissa , Stefaan Poedts , Nataly Ozak et al.

Computer Physics Communications, 2019, 239, pp.16-32. ⟨10.1016/j.cpc.2019.01.019⟩

Article dans une revue hal-03730933v1

Fully-implicit finite volume method for the ideal two-fluid plasma model

Alejandro Alvarez Laguna , N. Ozak , A. Lani , H. Deconinck , S. Poedts

Computer Physics Communications, 2018, 231, pp.31-44. ⟨10.1016/j.cpc.2018.05.006⟩

Article dans une revue hal-03730928v1

Effect of Radiation on Chromospheric Magnetic Reconnection: Reactive and Collisional Multi-fluid Simulations

A. Alvarez Laguna , A. Lani , N. Mansour , H. Deconinck , S. Poedts

The Astrophysical Journal, 2017, 842 (2), pp.117. ⟨10.3847/1538-4357/aa7554⟩

Article dans une revue hal-03730699v1

Multi-fluid Modeling of Magnetosonic Wave Propagation in the Solar Chromosphere: Effects of Impact Ionization and Radiative Recombination

Yana Maneva , Alejandro Alvarez Laguna , Andrea Lani , Stefaan Poedts

The Astrophysical Journal, 2017, 836 (2), pp.197. ⟨10.3847/1538-4357/aa5b83⟩

Article dans une revue hal-03730662v1

A fully-implicit finite-volume method for multi-fluid reactive and collisional magnetized plasmas on unstructured meshes

A. Alvarez Laguna , A. Lani , H. Deconinck , N.N. Mansour , S. Poedts

Journal of Computational Physics, 2016, 318, pp.252-276. ⟨10.1016/j.jcp.2016.04.058⟩

Article dans une revue hal-03730578v1
Deposit thumbnail

Strategies for enhanced accuracy in 1D fluid simulation of Hall thruster IEPC-2024-377

Federico Petronio , Alejandro Alvarez Laguna , Anne Bourdon , Pascal Chabert , Benjamin Esteves

International Electric Propulsion Conference (IEPC), Jun 2024, Toulouse, France

Communication dans un congrès hal-04888511v1

Drift-Diffusion models for RF-CCPs at intermediate pressure: estimating transport coefficients

S. Zhang , A. Alvarez Laguna , J.-P. Booth

2024 IEEE International Conference on Plasma Science (ICOPS), IEEE, Jun 2024, Beijing, China. pp.1-1, ⟨10.1109/ICOPS58192.2024.10626561⟩

Communication dans un congrès hal-05354441v1
Deposit thumbnail

Influence of multiply charged species in PIC-MCC simulations for Hall Thrusters

Pierre Amadio , Federico Petronio , Anne Bourdon , A. Alvarez Laguna , Pascal Chabert

International Electric Propulsion Conference 2024, Jun 2024, Toulouse, France

Communication dans un congrès hal-05482220v1
Deposit thumbnail

Self-consistent collisional closures for high-order fluid moment models with the electron inertial terms

A. Alvarez Laguna , Kentaro Hara

The 38th International Electric Propulsion Conference, Electric Rocket Propulsion Societ, Jun 2024, Toulouse, France

Communication dans un congrès hal-05070326v1
Deposit thumbnail

Suitability of Moment Methods to Model the Ion Dynamics in a Low-Temperature Plasma

Anatole Berger , Nicolas Lequette , Thierry Magin , Anne Bourdon , Alejandro Alvarez Laguna

33rd International Symposium on Rarefied Gas Dynamics, Jul 2024, Göttingen, Germany

Communication dans un congrès hal-05199202v1

The introduction of a virtual radial direction in axial-azimuthal PIC simulations of Hall Thrusters

Federico Petronio , Anne Bourdon , Alejandro Alvarez Laguna , Pascal Chabert

37th International Electric Propulsion Conference, Jun 2023, Boston (MA), France

Communication dans un congrès hal-04465742v1

Analysis of the Breathing Mode dynamics in Hall thrusters using a hybrid simulation

Federico Petronio , Anne Bourdon , Pascal Chabert , Alejandro Alvarez Laguna

76th Annual Gaseous Electronics Conference, American Physical Society, Oct 2023, Ann Arbor, MI, USA, United States

Communication dans un congrès hal-04465476v1
Deposit thumbnail

Numerical challenges in the simulation of 1D bounded low-temperature plasmas with charge separation in various collisional regimes

Louis Reboul , Marc Massot , Alejandro Alvarez Laguna

2ND INTERNATIONAL CONFERENCE ON ADVANCED EARTH SCIENCE AND FOUNDATION ENGINEERING (ICASF 2023): Advanced Earth Science and Foundation Engineering, Jul 2022, Mohali, France. pp.190004, ⟨10.1063/5.0187483⟩

Communication dans un congrès hal-03911908v1

Asymptotic preserving finite-volume method for fluid models in low-temperature partially-magnetized plasma applications involving instabilities

Louis Reboul , Alejandro Alvarez-Laguna , Pascal Chabert , Anne Bourdon , Thierry E. Magin et al.

74th Annual Gaseous Electronics Conference, Oct 2021, Virtual, United States

Communication dans un congrès hal-03376988v1

Comparison between kinetic theory and PIC simulations of anomalous electron transport in E x B plasma discharges

Thomas Charoy , Trevor Lafleur , Alejandro Alvarez-Laguna , Anne Bourdon , Pascal Chabert

International Online Plasma Seminar,, Jan 2021, Virtual, France

Communication dans un congrès hal-03322761v1

Investigation of Hall effect thruster instabilities with axial-azimuthal PIC simulation using a collective Thomson scattering approach

Tarek Ben Slimane , Cyrille Honoré , Thomas Charoy , Alejandro Alvarez-Laguna , Anne Bourdon et al.

74th Annual Gaseous Electronics Conference, Oct 2021, Virtual, United States

Communication dans un congrès hal-03376990v1

Experimental Diagnostics for Electrons and Atoms in Low Pressure Iodine Plasmas

Benjamin Esteves , Anne Bourdon , Alejandro Alvarez-Laguna , Pascal Chabert , Cyril Drag

74th Annual Gaseous Electronics Conference, Oct 2021, Virtual, United States

Communication dans un congrès hal-03376980v1

High-order moment models for low pressure discharges

Alejandro Alvarez-Laguna , Benjamin Esteves , Louis Reboul , Anne Bourdon , Pascal Chabert

74th Annual Gaseous Electronics Conference, Oct 2021, Virtual, United States

Communication dans un congrès hal-03376986v1

Study of the instabilities in radial-azimuthal and axial-azimuthal 2D PIC simulations of a Hall Thruster

Federico Petronio , Thomas Charoy , Antoine Tavant , Alejandro Alvarez-Laguna , Anne Bourdon et al.

74th Annual Gaseous Electronics Conference, Oct 2021, Virtual, United States

Communication dans un congrès hal-03376991v1

Comparison between multifluid and Particle-In-Cell (PIC) simulations of instabilities and boundary layers in low-temperature low pressure magnetized plasmas for electric pro- pulsion applications.

Louis Reboul , Alejandro Alvarez-Laguna , Thierry E. Magin , Pascal Chabert , Anne Bourdon et al.

73rd Annual Gaseous Electronics Virtual Conference, Oct 2020, Virtual, United States

Communication dans un congrès hal-03322743v1

Asymptotic-preserving finite volume scheme for the multi-fluid equations towards electric propulsion applications

Alejandro Alvarez-Laguna , T. Magin , Pascal Chabert , M. Massot , Anne Bourdon

71st Annual Gaseous Electronics Conference, Nov 2018, Portland, Oregon, United States

Communication dans un congrès hal-02342232v1
Deposit thumbnail

A 10-moment fluid numerical solver of plasma with sheaths in a Hall Effect Thruster

Valentin Joncquieres , François Pechereau , Alejandro Alvarez-Laguna , Anne Bourdon , Olivier Vermorel et al.

54th AIAA/SAE/ASEE Joint Propulsion Conference, 2018, Jul 2018, Cincinnati, United States. ⟨10.2514/6.2018-4905⟩

Communication dans un congrès hal-02333475v1