Publications

2022

49.

Muir, Dean; Pfefferlé, David; Qu, Zhisong; Hole, Matthew; Hegland, Markus

Numerical Integration of Particle Orbits in Discontinuous Fields Using VENUS-LEVIS and SPEC Journal Article

In: Computer Physics Communications, 271 , pp. 108191, 2022, ISSN: 0010-4655.

Abstract | Links | BibTeX | Tags: discontinuous fields, full-orbit, numerical method, SPEC, VENUS-LEVIS

2021

48.

Jeyakumar, S.; Pfefferlé, D.; Hole, M. J.; Qu, Z. S.

Analysis of the Isotropic and Anisotropic Grad–Shafranov Equation Journal Article

In: Journal of Plasma Physics, 87 (5), 2021, ISSN: 0022-3778, 1469-7807.

Abstract | Links | BibTeX | Tags: anisotropy, grad-shafranov, mathematical analysis, MHD equilibrium, PDE

47.

Perrella, David; Pfefferlé, David; Stoyanov, Luchezar

A Stefan-Sussmann Theorem for Normal Distributions on Manifolds with Boundary Journal Article

In: arXiv:2109.04845 [math], 2021.

Abstract | BibTeX | Tags: differential geometry, foliations, Froebenius, integrability, manifolds, topology

46.

Pfefferlé, David; Noakes, Lyle; Perrella, David

Gauge Freedom in Magnetostatics and the Effect on Helicity in Toroidal Volumes Journal Article

In: Journal of Mathematical Physics, 62 (9), pp. 093505, 2021, ISSN: 0022-2488.

Abstract | Links | BibTeX | Tags: algebraic topology, boundary value problems, cohomology, differential geometry, exterior calculus, gauge freedom, helicity, Hodge decomposition, magnetostatics

45.

Lazerson, Samuel A.; Pfefferlé, David; Drevlak, Michael; Smith, Håkan; Geiger, Joachim; Äkäslompolo, Simppa; Xanthopoulos, Pavlos; Dinklage, Andreas; Ford, Oliver; McNeely, Paul; Rust, Norbert; Bozhenkov, Sergey; Hartmann, Dirk; Rahbarnia, Kian; Andreeva, Tamara; Schilling, Jonathan; Brandt, Christian; Neuner, Ulrich; Thomsen, Henning; Wolf, Robert C.; Team, The W7-X.

Modeling and Measurement of Energetic Particle Slowing down in Wendelstein 7-X Journal Article

In: 61 (9), pp. 096005, 2021, ISSN: 0029-5515.

Abstract | Links | BibTeX | Tags: benchmark, fast particles, numerical method, slowing-down distribution, stellarator, VENUS-LEVISLEVIS

44.

Henneberg, S. A.; Hudson, S. R.; Pfefferlé, D.; Helander, P.

Combined Plasma– Coil Optimization Algorithms Journal Article

In: Journal of Plasma Physics, 87 (2), 2021, ISSN: 0022-3778, 1469-7807.

Abstract | Links | BibTeX | Tags: coil design, optimisation, SPEC, variational calculus

43.

Hirvijoki, Eero; Pfefferlé, David; Lingam, Manasvi

Longevity and Power Density of Intermediate-to-Deep Geothermal Wells in District Heating Applications Journal Article

In: The European Physical Journal Plus, 136 (1), pp. 137, 2021, ISSN: 2190-5444.

Abstract | Links | BibTeX | Tags: geothermal wells, heat equation, renewable energy

2020

42.

Pfefferlé, David; Abarzhi, Snezhana I.

Whittle Maximum Likelihood Estimate of Spectral Properties of Rayleigh-Taylor Interfacial Mixing Using Hot-Wire Anemometry Experimental Data Journal Article

In: Physical Review E, 102 (5), pp. 053107, 2020.

Abstract | Links | BibTeX | Tags: data analysis, data fitting, exponential decay, hypothesis testing, maximum likelihood, parameter estimation, power-law, rayleigh-taylor, spectrum

41.

Qu, Z. S.; Pfefferlé, D.; Hudson, S. R.; Baillod, A.; Kumar, A.; Dewar, R. L.; Hole, M. J.

Coordinate Parameterisation and Spectral Method Optimisation for Beltrami Field Solver in Stellarator Geometry Journal Article

In: 62 (12), pp. 124004, 2020, ISSN: 0741-3335.

Abstract | Links | BibTeX | Tags: curvilinear coordinates, MHD equilibrium, numerical method, SPEC

40.

Pfefferlé, David; Noakes, Lyle; Zhou, Yao

Rigidity of MHD equilibria to smooth incompressible ideal motion near resonant surfaces Journal Article

In: Plasma Physics and Controlled Fusion, 62 (7), pp. 074004, 2020.

Abstract | Links | BibTeX | Tags: Hamiltonian, MHD, MHD equilibrium, perturbation theory, resonant surfaces

39.

Lazerson, Samuel A; Ford, Oliver P; Nuehrenberg, Carolin; Äkäslompolo, Simppa; Poloskei, Peter Zs.; Machielsen, Mike; McNeely, Paul; Vanó, Lilla; Rust, Norbert; Bozhenkov, Sergey; Neelis, Tristan W C; Graves, Jonathan P; Pfefferlé, David; Spanier, Annabelle; Hartmann, Dirk; Marushchenko, Nikolai; Turkin, Yuriy; Hirsch, Matthias; Chaudhary, Neha; Hoefel, Udo; Stange, Torsten; Weir, Gavin; Pablant, Novimir; Langenberg, Andreas; Traverso, Peter; Valson, Pranay; Knauer, Jens; Brunner, Kai Jakob; Pasch, Ekkehard; Beurskens, Marc; Damm, Hannes; Fuchert, Golo; Nelde, Philipp; Scott, Evan; Hergenhahn, Uwe; Pavone, Andrea; Rahbarnia, Kian; Andreeva, Tamara; Schilling, Jonathan; Brandt, Christian; Neuner, Ulrich; Thomsen, Henning; Jakubowski, Marcin; Ali, Adnan; Gao, Yu; Niemann, Holger; Sitjes, Aleix Puig; Koenig, Ralf; and, Robert Wolf C

Validation of the BEAMS3D neutral beam deposition model on Wendelstein 7-X Journal Article

In: Nuclear Fusion, 60 (7), pp. 076020, 2020.

Abstract | Links | BibTeX | Tags: fast particles, full-orbit, guiding-centre, neoclassical transport, stellarator

38.

Hirvijoki, Eero; Burby, Joshua W; Pfefferlé, David; Brizard, Alain J

Energy and momentum conservation in the Euler–Poincaré formulation of local Vlasov–Maxwell-type systems Journal Article

In: Journal of Physics A: Mathematical and Theoretical, 53 (23), pp. 235204, 2020.

Abstract | Links | BibTeX | Tags: drift-kinetic, euler-poincaré, Hamiltonian, vlasov-maxwell

37.

Patten, H W; Graves, J P; Cooper, W A; Eriksson, J; Pfefferlé, D

Identification of an Optimized Heating and Fast Ion Generation Scheme for the Wendelstein 7-X Stellarator Journal Article

In: Phys. Rev. Lett., 124 , pp. 155001, 2020.

Abstract | Links | BibTeX | Tags: fast particles, ion cyclotron resonance, neutral beam injection, stellarator

2019

36.

Kaye, S M; Battaglia, D J; Baver, D; Belova, E; Berkery, J W; Duarte, V N; Ferraro, N; Fredrickson, E; Gorelenkov, N; Guttenfelder, W; Hao, G Z; Heidbrink, W; Izacard, O; Kim, D; Krebs, I; Haye, La R; Lestz, J; Liu, D; Morton, L A; Myra, J; Pfefferle, D; Podesta, M; Ren, Y; Riquezes, J; Sabbagh, S A; Schneller, M; Scotti, F; Soukhanovskii, V; Zweben, S J; Ahn, J W; Allain, J P; Barchfeld, R; Bedoya, F; Bell, R E; Bertelli, N; Bhattacharjee, A; Boyer, M D; Brennan, D; Canal, G; Canik, J; Crocker, N; Darrow, D; Delgado-Aparicio, L; Diallo, A; Domier, C; Ebrahimi, F; Evans, T; Fonck, R; Frerichs, H; Gan, K; Gerhardt, S; Gray, T; Jarboe, T; Jardin, S; Jaworski, M A; Kaita, R; Koel, B; Kolemen, E; Kriete, D M; Kubota, S; LeBlanc, B P; Levinton, F; Luhmann, N; Lunsford, R; Maingi, R; Maqueda, R; Menard, J E; Mueller, D; Myers, C E; Ono, M; Park, J -K; Perkins, R; Poli, F; Raman, R; Reinke, M; Rhodes, T; Rowley, C; Russell, D; Schuster, E; Schmitz, O; Sechrest, Y; Skinner, C H; Smith, D R; Stotzfus-Dueck, T; Stratton, B; Taylor, G; Tritz, K; Wang, W; Wang, Z; Waters, I; Wirth, B

NSTX/NSTX-U theory, modeling and analysis results Journal Article

In: Nuclear Fusion, 59 (11), pp. 112007, 2019.

Abstract | Links | BibTeX | Tags:

35.

Lanthaler, S; Graves, J P; Pfefferlé, D; Cooper, W A

Guiding-centre theory for kinetic-magnetohydrodynamic modes in strongly flowing plasmas Journal Article

In: Plasma Physics and Controlled Fusion, 61 (7), pp. 074006, 2019.

Abstract | Links | BibTeX | Tags: drift-kinetic, guiding-centre, MHD, plasma flow

2018

34.

Hudson, S R; Zhu, C; Pfefferlé, D; Gunderson, L

Differentiating the shape of stellarator coils with respect to the plasma boundary Journal Article

In: Physics Letters A, 382 (38), pp. 2732 - 2737, 2018, ISSN: 0375-9601.

Abstract | Links | BibTeX | Tags: coil design, MHD equilibrium, stellarator

33.

Pfefferlé, D; Gunderson, L; Hudson, S R; Noakes, L

Non-planar elasticae as optimal curves for the magnetic axis of stellarators Journal Article

In: Physics of Plasmas, 25 (9), pp. 092508, 2018.

Abstract | Links | BibTeX | Tags: elastica, euler-lagrange equations, linking number, magnetic axis, non-planar curves, rotational transform, stellarator, twist, variational problem, writhe

32.

Patten, H; Graves, J P; Faustin, J; Cooper, W A; Geiger, J; Pfefferlé, D; Turkin, Y

The effect of magnetic equilibrium on auxiliary heating schemes and fast particle confinement in Wendelstein 7-X Journal Article

In: Plasma Physics and Controlled Fusion, 60 (8), pp. 085009, 2018.

Abstract | Links | BibTeX | Tags: fast particles, heating, MHD equilibrium, stellarator

31.

Pfefferlé, D; Ferraro, N; Jardin, S C; Krebs, I; Bhattacharjee, A

Modelling of NSTX hot vertical displacement events using M3D-C1 Journal Article

In: Physics of Plasmas, 25 (5), pp. 056106, 2018.

Abstract | Links | BibTeX | Tags: disruption, M3D-C1, resistive MHD, vertical displacement event

30.

Pfefferlé, D; Bhattacharjee, A

Algebraic motion of vertically displacing plasmas Journal Article

In: Physics of Plasmas, 25 (2), pp. 022516, 2018.

Abstract | Links | BibTeX | Tags: eddy current, inductance, vertical displacement event

2017

29.

Raghunathan, M; Graves, J P; Nicolas, T; Cooper, W A; Garbet, X; Pfefferlé, D

Heavy impurity confinement in hybrid operation scenario plasmas with a rotating 1/1 continuous mode Journal Article

In: Plasma Physics and Controlled Fusion, 59 (12), pp. 124002, 2017.

Abstract | Links | BibTeX | Tags: fast particles, impurities, neoclassical transport, plasma flow, VENUS-LEVIS

28.

Kazakov, Ye O; al.,

Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating Journal Article

In: Nature Physics, 13 , 2017.

Abstract | Links | BibTeX | Tags: fast particles, heating, ion cyclotron resonance

27.

Litaudon, X; al.,

Overview of the JET results in support to ITER Journal Article

In: Nuclear Fusion, 57 (10), pp. 102001, 2017.

Abstract | Links | BibTeX | Tags: fast particles, heating, VENUS-LEVIS

26.

Faustin, J M; Graves, J P; Cooper, W A; Lanthaler, S; Villard, L; Pfefferlé, D; Geiger, J; Kazakov, Ye O; Eester, Van D

Modelling of advanced three-ion ICRF heating and fast ion generation scheme for tokamaks and stellarators Journal Article

In: Plasma Physics and Controlled Fusion, 59 (8), pp. 084001, 2017.

Abstract | Links | BibTeX | Tags: fast particles, heating, ion cyclotron resonance, neoclassical transport, stellarator

25.

Pfefferlé, D; Hirvijoki, E; Lingam, M

Exact collisional moments for plasma fluid theories Journal Article

In: Physics of Plasmas, 24 (4), pp. 042118, 2017.

Abstract | Links | BibTeX | Tags: chapman-enskog, collisional moments, collisions, fluid theory, hermite polynomials, non-linear resistivity

24.

Lingam, M; Hirvijoki, E; Pfefferlé, D; Comisso, L; Bhattacharjee, A

Nonlinear resistivity for magnetohydrodynamical models Journal Article

In: Physics of Plasmas, 24 (4), pp. 042120, 2017.

Abstract | Links | BibTeX | Tags: collisional moments, collisions, fluid theory, hermite polynomials, non-linear resistivity

23.

Lanthaler, S; Pfefferlé, D; Graves, J P; Cooper, W A

Higher order Larmor radius corrections to guiding-centre equations and application to fast ion equilibrium distributions Journal Article

In: Plasma Physics and Controlled Fusion, 59 (4), pp. 044014, 2017.

Abstract | Links | BibTeX | Tags: drift-kinetic, guiding-centre, MHD equilibrium, perturbation theory, VENUS-LEVIS

22.

Wenninger, R; al.,

The DEMO wall load challenge Journal Article

In: Nuclear Fusion, 57 (4), pp. 046002, 2017.

Abstract | Links | BibTeX | Tags: confinement, DEMO, fast particles, magnetic ripple, MHD equilibrium, neoclassical transport, perturbation theory, VENUS-LEVIS, wall load

21.

Hirvijoki, E; Brizard, A J; Pfefferlé, D

Differential formulation of the gyrokinetic Landau operator Journal Article

In: Journal of Plasma Physics, 83 (1), 2017.

Abstract | Links | BibTeX | Tags: collisions, gyrokinetics, rosenbluth potential

2016

20.

Hirvijoki, E; Lingam, M; Pfefferlé, D

Fluid moments of the nonlinear Landau collision operator Journal Article

In: Physics of Plasmas, 23 (8), pp. 080701, 2016.

Abstract | Links | BibTeX | Tags: collisional moments, collisions, fluid theory, hermite polynomials

19.

Faustin, J M; Cooper, W A; Graves, J P; Pfefferlé, D; Geiger, J

Fast particle loss channels in Wendelstein 7-X Journal Article

In: Nuclear Fusion, 56 (9), pp. 092006, 2016.

Abstract | Links | BibTeX | Tags: fast particles, heating, ion cyclotron resonance, MHD equilibrium, neoclassical transport, neutral beam injection, stellarator

18.

Pfefferlé, D; Cooper, W A; Fasoli, A; Graves, J P

Effects of magnetic ripple on 3D equilibrium and alpha particle confinement in the European DEMO Journal Article

In: Nuclear Fusion, 56 (11), pp. 112002, 2016.

Abstract | Links | BibTeX | Tags: confinement, DEMO, fast particles, magnetic ripple, MHD equilibrium, neoclassical transport, perturbation theory

17.

Faustin, J M; Cooper, W A; Graves, J P; Pfefferlé, D; Geiger, J

ICRH induced particle losses in Wendelstein 7-X Journal Article

In: Plasma Physics and Controlled Fusion, 58 (7), pp. 074004, 2016.

Abstract | Links | BibTeX | Tags: fast particles, ion cyclotron resonance, MHD equilibrium, neutral beam injection, stellarator, VENUS-LEVIS

16.

Cooper, W A; Brunetti, D; Duval, B P; Faustin, J M; Graves, J P; Kleiner, A; Patten, H; Pfefferlé, D; Porte, L; Raghunathan, M; Reimerdes, H; Sauter, O; Tran, T M

Saturated ideal kink/peeling formations described as three-dimensional magnetohydrodynamic tokamak equilibrium states Journal Article

In: Physics of Plasmas, 23 (4), pp. 040701, 2016.

Abstract | Links | BibTeX | Tags: internal kink, MHD equilibrium

15.

Faustin, J. M.; Graves, J. P.; Cooper, W. A.; Geiger, J.; Pfefferlé, D.

Modelling of ICRF Fast Ion Generation in 2D and 3D Plasma Configurations Inproceedings

In: 43rd European Physical Society Conference on Plasma Physics, EPS 2016, 2016.

BibTeX | Tags: fast particles, ion cyclotron resonance, stellarator, tokamak

14.

Ferraro, N. M.; Pfefferlé, D.; Jardin, S. C.; Myers, C. E.; Lao, L. L.

Extended-MHD Modeling of Tokamak Disruptions and Resistive Wall Modes with M3D-C1 Inproceedings

In: 43rd European Physical Society Conference on Plasma Physics, EPS 2016, 2016.

BibTeX | Tags: disruption, M3D-C1, resistive MHD, vertical displacement event, wall load

2015

13.

Faustin, J M; Cooper, W A; Geiger, J; Graves, J P; Pfefferlé, D

Applications of the SCENIC code package to the minority ion-cyclotron heating in Wendelstein 7-X plasmas Inproceedings

In: AIP Conference Proceedings, pp. 060003, 2015.

Abstract | Links | BibTeX | Tags: fast particles, ion cyclotron resonance, stellarator, VENUS-LEVIS

12.

Cooper, W A; Brunetti, D; Faustin, J M; Graves, J P; Pfefferlé, D; Raghunathan, M; Sauter, O; Tran, T M; Chapman, I T; Ham, C J; Aiba, N; team, The MAST; contributors, JET

Free boundary equilibrium in 3D tokamaks with toroidal rotation Journal Article

In: Nuclear Fusion, 55 (6), pp. 063032, 2015.

Abstract | Links | BibTeX | Tags: internal kink, MHD equilibrium, plasma flow

11.

Pfefferlé, D

Energetic ion dynamics and confinement in 3D saturated MHD configurations PhD Thesis

Swiss Institute of Technology Lausanne (EPFL), 2015.

Abstract | Links | BibTeX | Tags: drift-kinetic, fast particles, guiding-centre, Hamiltonian, internal kink, magnetic ripple, MHD equilibrium, neoclassical transport, neutral beam injection, stellarator, VENUS-LEVIS

10.

Pfefferlé, D; Graves, J P; Cooper, W A

Hybrid guiding-centre/full-orbit simulations in non-axisymmetric magnetic geometry exploiting general criterion for guiding-centre accuracy Journal Article

In: Plasma Physics and Controlled Fusion, 57 (5), pp. 054017, 2015.

Abstract | Links | BibTeX | Tags: fast particles, full-orbit, guiding-centre, neoclassical transport, neutral beam injection, VENUS-LEVIS

9.

Romanelli, F; on behalf of Contributors, JET

Overview of the JET results Journal Article

In: Nuclear Fusion, 55 (10), pp. 104001, 2015.

Abstract | Links | BibTeX | Tags: VENUS-LEVIS

2014

8.

Pfefferlé, D; Misev, C; Cooper, W A; Graves, J P

Impact of RMP magnetic field simulation models on fast ion losses Journal Article

In: Nuclear Fusion, 55 (1), pp. 012001, 2014.

Abstract | Links | BibTeX | Tags: fast particles, neutral beam injection, resonant magnetic perturbations, VENUS-LEVIS

7.

Faustin, J M; Cooper, W A; Graves, J P; Pfefferlé, D

Modeling of ion-cyclotron resonant heating in Wendelstein 7-X equilibrium Inproceedings

In: Journal of Physics: Conference Series, pp. 012006, 2014.

Abstract | Links | BibTeX | Tags: confinement, fast particles, ion cyclotron resonance, neoclassical transport, stellarator, VENUS-LEVIS

6.

Pfefferlé, D; Cooper, W A; Graves, J P; Misev, C

VENUS-LEVIS and its spline-Fourier interpolation of 3D toroidal magnetic field representation for guiding-centre and full-orbit simulations of charged energetic particles Journal Article

In: Computer Physics Communications, 185 (12), pp. 3127 - 3140, 2014, ISSN: 0010-4655.

Abstract | Links | BibTeX | Tags: cubic spline, curvilinear coordinates, fast particles, numerical method, VENUS-LEVIS

5.

Cooper, W A; Hirshman, S P; Chapman, I T; Brunetti, D; Faustin, J M; Graves, J P; Pfefferlé, D; Raghunathan, M; Sauter, O; Tran, T M; Aiba, N

An approximate single fluid 3-dimensional magnetohydrodynamic equilibrium model with toroidal flow Journal Article

In: Plasma Physics and Controlled Fusion, 56 (9), pp. 094004, 2014.

Abstract | Links | BibTeX | Tags: internal kink, MHD equilibrium, plasma flow

4.

Pfefferlé, D; Graves, J P; Cooper, W A; Misev, C; Chapman, I T; Turnyanskiy, M; Sangaroon, S

NBI fast ion confinement in the helical core of MAST hybrid-like plasmas Journal Article

In: Nuclear Fusion, 54 (6), pp. 064020, 2014.

Abstract | Links | BibTeX | Tags: confinement, fast particles, guiding-centre, internal kink, MHD equilibrium, neoclassical transport, neutral beam injection, VENUS-LEVIS

2013

3.

Cooper, W A; Chapman, I T; Schmitz, O; Turnbull, A D; Tobias, B J; Lazarus, E A; Turco, F; Lanctot, M J; Evans, T E; Graves, J P; Brunetti, D; Pfefferlé, D; Reimerdes, H; Sauter, O; Halpern, F D; Tran, T M; Coda, S; Duval, B P; B, Labit; Pochelon, A; Turnyanskiy, M R; Lao, L; Luce, T C; Buttery, R; Ferron, J R; Hollmann, E M; Petty, C C; van Zeeland, M; Fenstermacher, M E; Hanson, J M; Lütjens, H

Bifurcated helical core equilibrium states in tokamaks Journal Article

In: Nuclear Fusion, 53 (7), pp. 073021, 2013.

Abstract | Links | BibTeX | Tags: helical core, internal kink, MHD equilibrium

2.

Cooper, W. A.; Brunetti, D.; Graves, J. P.; Misev, C.; Pfefferlé, D.; Sauter, O.; Tran, T. M.; Chapman, I. T.; Lazerson, S. A.

Tokamak MHD Equilibria with 3D Distortions Inproceedings

In: 40th EPS Conference on Plasma Physics, EPS 2013, pp. 986–989, 2013, ISBN: 978-1-63266-310-8.

BibTeX | Tags: MHD equilibrium, tokamak

2012

1.

Pfefferlé, D; Graves, J P; Cooper, W A

Exploitation of a general-coordinate guiding centre code for the redistribution of fast ions in deformed hybrid tokamak equilibria Inproceedings

In: Journal of Physics: Conference Series, pp. 012020, 2012.

Abstract | Links | BibTeX | Tags: fast particles, helical core, internal kink, MHD equilibrium, VENUS-LEVIS