Relevant bibliographies by topics / HPC plasma turbulence simulations

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'HPC plasma turbulence simulations'

Author: Grafiati
Published: 8 June 2024
Last updated: 31 July 2025

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Journal articles on the topic "HPC plasma turbulence simulations"

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Bouzat, Nicolas, Camilla Bressan, Virginie Grandgirard, Guillaume Latu, and Michel Mehrenberger. "Targeting Realistic Geometry in Tokamak Code Gysela." ESAIM: Proceedings and Surveys 63 (2018): 179–207. http://dx.doi.org/10.1051/proc/201863179.

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In magnetically confined plasmas used in Tokamak, turbulence is respon-sible for specific transport that limits the performance of this kind of reactors. Gyroki-netic simulations are able to capture ion and electron turbulence that give rise to heat losses, but require also state-of-the-art HPC techniques to handle computation costs. Such simulations are a major tool to establish good operating regime in Tokamak such as ITER, which is currently being built. Some of the key issues to address more re- alistic gyrokinetic simulations are: efficient and robust numerical schemes, accurate geometric
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Veltri, P., G. Nigro, F. Malara, V. Carbone, and A. Mangeney. "Intermittency in MHD turbulence and coronal nanoflares modelling." Nonlinear Processes in Geophysics 12, no. 2 (2005): 245–55. http://dx.doi.org/10.5194/npg-12-245-2005.

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Abstract. High resolution numerical simulations, solar wind data analysis, and measurements at the edges of laboratory plasma devices have allowed for a huge progress in our understanding of MHD turbulence. The high resolution of solar wind measurements has allowed to characterize the intermittency observed at small scales. We are now able to set up a consistent and convincing view of the main properties of MHD turbulence, which in turn constitutes an extremely efficient tool in understanding the behaviour of turbulent plasmas, like those in solar corona, where in situ observations are not ava
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Sharma, A. Y., M. D. J. Cole, T. Görler, et al. "Global gyrokinetic study of shaping effects on electromagnetic modes at NSTX aspect ratio with ad hoc parallel magnetic perturbation effects." Physics of Plasmas 29, no. 11 (2022): 112503. http://dx.doi.org/10.1063/5.0106925.

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Plasma shaping may have a stronger effect on global turbulence in tight-aspect-ratio tokamaks than in conventional-aspect-ratio tokamaks due to the higher toroidicity and more acute poloidal asymmetry in the magnetic field. In addition, previous local gyrokinetic studies have shown that it is necessary to include parallel magnetic field perturbations in order to accurately compute growth rates of electromagnetic modes in tight-aspect-ratio tokamaks. In this work, the effects of elongation and triangularity on global, ion-scale, linear electromagnetic modes are studied at National Spherical Tor
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Wang, Bei, Stephane Ethier, William Tang, et al. "Modern gyrokinetic particle-in-cell simulation of fusion plasmas on top supercomputers." International Journal of High Performance Computing Applications 33, no. 1 (2017): 169–88. http://dx.doi.org/10.1177/1094342017712059.

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The gyrokinetic toroidal code at Princeton (GTC-P) is a highly scalable and portable particle-in-cell (PIC) code. It solves the 5-D Vlasov–Poisson equation featuring efficient utilization of modern parallel computer architectures at the petascale and beyond. Motivated by the goal of developing a modern code capable of dealing with the physics challenge of increasing problem size with sufficient resolution, new thread-level optimizations have been introduced as well as a key additional domain decomposition. GTC-P’s multiple levels of parallelism, including internode 2-D domain decomposition and
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Cranmer, Steven R., and Momchil E. Molnar. "Magnetohydrodynamic Mode Conversion in the Solar Corona: Insights from Fresnel-like Models of Waves at Sharp Interfaces." Astrophysical Journal 955, no. 1 (2023): 68. http://dx.doi.org/10.3847/1538-4357/acee6c.

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Abstract The solar atmosphere is known to contain many different types of wave-like oscillation. Waves and other fluctuations (e.g., turbulent eddies) are believed to be responsible for at least some of the energy transport and dissipation that heats the corona and accelerates the solar wind. Thus, it is important to understand the behavior of magnetohydrodynamic (MHD) waves as they propagate and evolve in different regions of the Sun’s atmosphere. In this paper, we investigate how MHD waves can affect the overall plasma state when they reflect and refract at sharp, planar interfaces in densit
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Mininni, Pablo. "Harnessing HPC to Understand Turbulence: Capturing the Fine-grain Structure of Geophysical Flows." Resúmenes de Mecánica Computacional 1, no. 2 (2024): 25. https://doi.org/10.70567/rmc.v1i2.144.

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In the realm of atmospheric dynamics, the emergence of large-scale structures from small-scale turbulent convective motions stands as one of the most striking phenomena in nature. This process, which impacts climate modeling, small-scale collisions of particles and droplets in clouds, and has implications for industrial flows, is difficult to capture in traditional turbulence models. This presentation will delve into insights from single- and multi-phase numerical simulations of unprecedented sizes, resolving atmospheric flows with spatial resolutions down to 30 meters. Turbulence in these sim
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Dudson, B. D., and J. Leddy. "Hermes: global plasma edge fluid turbulence simulations." Plasma Physics and Controlled Fusion 59, no. 5 (2017): 054010. http://dx.doi.org/10.1088/1361-6587/aa63d2.

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Grandgirard, V., Y. Sarazin, P. Angelino, et al. "Global full-fgyrokinetic simulations of plasma turbulence." Plasma Physics and Controlled Fusion 49, no. 12B (2007): B173—B182. http://dx.doi.org/10.1088/0741-3335/49/12b/s16.

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Pueschel, M. J., M. Kammerer, and F. Jenko. "Gyrokinetic turbulence simulations at high plasma beta." Physics of Plasmas 15, no. 10 (2008): 102310. http://dx.doi.org/10.1063/1.3005380.

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Edyvean, Jago, Tulasi N. Parashar, Tom Simpson, et al. "Scale Separation Effects on Simulations of Plasma Turbulence." Astrophysical Journal 972, no. 2 (2024): 173. http://dx.doi.org/10.3847/1538-4357/ad5cf5.

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Abstract Understanding plasma turbulence requires a synthesis of experiments, observations, theory, and simulations. In the case of kinetic plasmas such as the solar wind, the lack of collisions renders the fluid closures such as viscosity meaningless and one needs to resort to higher-order fluid models or kinetic models. Typically, the computational expense in such models is managed by simulating artificial values of certain parameters such as the ratio of the Alfvén speed to the speed of light (v A/c) or the relative mass ratio of ions and electrons (m i /m e ). Although, typically care is t
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Dissertations / Theses on the topic "HPC plasma turbulence simulations"

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Bourne, Emily. "Non-uniform numerical schemes for the modelling of turbulence in the 5D GYSELA code." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0412.

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Cette thèse s'inscrit dans le cadre des simulations de plasma fusion et son objectif est double: (i) développer des méthodes numériques innovantes adaptées au schéma semi-lagrangien utilisé dans le code 5D gyrocinétique GYSELA, capables de résoudre le problème de grande amplitude de fluctuations et de variation de température au bord du plasma et (ii) prendre en compte des configurations magnétiques plus réalistes que les celles jusqu'alors simulées dans le code. Je présente une nouvelle approche pour la quadrature par splines qui limite le conditionnement pour l'obtention des coefficients de
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Banon, Navarro Alejandro. "Gyrokinetic large Eddy simulations." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209592.

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Le transport anormal de l’energie observé en régime turbulent joue un rôle majeur dans les propriétés de stabilite des plasmas de fusion par confinement magnétique, dans des machines comme ITER. En effet, la turbulence plasma est intimement corrélée au temps de confinement de l’energie, un point clé des recherches en fusion thermonucléaire.<p>Du point de vue théorique, la turbulence plasma est décrite par les équations gyrocinétiques, un ensemble d équations aux dérivées partielles non linéaires couplées. Par suite des très différentes échelles spatiales mises en jeu dans des conditions expéri
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Weidl, Martin S. "Cosmic-ray propagation in simulations of cross-helical plasma turbulence." Diss., Ludwig-Maximilians-Universität München, 2015. http://nbn-resolving.de/urn:nbn:de:bvb:19-184214.

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Turbulence is a ubiquitous phenomenon in astrophysical plasmas. Most of these systems exhibit a property called cross helicity, a non-zero correlation between velocity fluctuations and magnetic-field fluctuations. In the presence of a magnetic mean-field, such as in the solar wind or in the interstellar medium, cross helicity is equivalent to an imbalance between Alfven waves co- and counter-propagating with respect to the mean-field direction. Although this imbalance can have a dramatic influence on the heating and scattering rate of charged particles which propagate through the plasma, it is
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Gracio, Bilro Castela Maria Luis. "Direct Numerical Simulations of plasma-assisted ignition in quiescent and turbulent flow conditions." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLC042/document.

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La combustion assistée par plasma a reçu une attention croissante dans les deux communautés de plasma et de combustion. Les décharges Nanoseconde Répétitive Pulsée (NRP) sont des techniques prometteuse et efficaces pour initier et contrôler les processus de la combustion en particulier quand les systèmes d’allumage conventionnels sont inefficaces ou trop coûteux en énergie. Néanmoins, les phénomènes rencontrés dans la combustion assistée par plasma sont encore mal connus. Les études numériques présentées dans la littérature sont limitées à des simulations 1-D et 2-D dans des conditions au repo
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Cerri, Silvio Sergio [Verfasser]. "Plasma turbulence in the dissipation range - theory and simulations / Silvio Sergio Cerri." Ulm : Universität Ulm. Fakultät für Naturwissenschaften, 2016. http://d-nb.info/108198595X/34.

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Manas, Pierre. "Gyrokinetic simulations of turbulent impurity transport in tokamaks." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4745/document.

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La compréhension du transport d'impuretés dans le coeur des plasmas de tokamaks est un enjeu principal de la fusion par confinement magnétique. En effet les impuretés sont omni-présentes dans les tokamaks et leur présence dans le coeur a des effets négatifs sur le confinement du plasma (dilution, rayonnement). Récemment une attention particulière s'est portée sur le flux convectif turbulent dû au gradient de rotation toroïdale pour expliquer les profils plat/creux d'impuretés observés expérimentalement dans le coeur du plasma. Dans cette thèse une approche numérique a été adoptée avec l'utilis
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Baschetti, Serafina. "A new modelling of the cross-field transport in diverted edge plasma : application to 2D transport simulations with SolEdge2D-EIRENE." Electronic Thesis or Diss., Ecole centrale de Marseille, 2019. http://www.theses.fr/2019ECDM0009.

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Le fonctionnement à l'équilibre du réacteur à fusion de prochaine génération, ITER, nécessitera le développement d'outils numériques fiables permettant d'estimer les paramètres d'ingénierie clés à un coût de calcul raisonnable. Les codes de transport répondent à cette exigence car ils reposent sur des équations fluides bidimensionnelles qui sont moyennées sur les fluctuations temporelles, de la même manière que les modèles « Reynolds Averaged Navier-Stokes » couramment utilisés dans la communauté des fluides neutres. De plus, les codes de transport peuvent rassembler la plupart des ingrédients
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Ben, Hassan Saïdi Ismaïl. "Numerical simulations of the shock wave-boundary layer interactions." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS390/document.

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Les situations dans lesquelles une onde de choc interagit avec une couche limite sont nombreuses dans les industries aéronautiques et spatiales. Sous certaines conditions (nombre de Mach élevé, grand angle de choc…), ces interactions entrainent un décollement de la couche limite. Des études antérieures ont montré que la zone de recirculation et le choc réfléchi sont tous deux soumis à un mouvement d'oscillation longitudinale à basse fréquence connu sous le nom d’instabilité de l’interaction onde de choc / couche limite (IOCCL). Ce phénomène appelé soumet les structures à des chargement oscilla
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Weidl, Martin S. [Verfasser], and Harald [Akademischer Betreuer] Lesch. "Cosmic-ray propagation in simulations of cross-helical plasma turbulence / Martin S. Weidl. Betreuer: Harald Lesch." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2015. http://d-nb.info/1074358694/34.

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Monnier, Arnaud. "Interactions entre perturbations magnétiques macroscopiques et turbulence microscopique dans un modèle 3D d'un plasma de tokamak." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4773/document.

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Cette thèse porte sur l'interaction entre un plasma de bord de tokamak et une perturbation magnétique résonante (RMP), utilisée principalement pour le contrôle de phénomènes de relaxations quasi-périodiques, présents dans un régime de confinement amélioré. Il permet notamment d'atteindre des conditions favorables aux réactions de fusion nucléaire. Il a été observé que la présence de perturbations magnétiques modifie la topologie magnétique au bord ce qui engendre une diminution de l'amplitude des relaxations, voire leur suppression. De précédents travaux ont étudié l'effet de perturbations mag
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Books on the topic "HPC plasma turbulence simulations"

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COSPAR, ed. Multiscale magnetospheric processes: Theory, simulations, and multipoint observations. published for the Committee on Space Research [by] Elsevier, 2008.

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Book chapters on the topic "HPC plasma turbulence simulations"

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Lewandowski, J. L. V., W. W. Lee, and Z. Lin. "Gyrokinetic Simulations of Plasma Turbulence on Massively Parallel Computers." In High Performance Computing — HiPC 2001. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45307-5_9.

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Fogaccia, G., R. Benzi, and F. Romanelli. "Lattice Boltzmann simulations of electrostatic plasma turbulence." In High-Performance Computing and Networking. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-61142-8_559.

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Brandenburg, A., N. E. L. Haugen, and W. Dobler. "MHD Simulations of Small and Large Scale Dynamos." In Turbulence, Waves and Instabilities in the Solar Plasma. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-007-1063-4_3.

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Heene Mario and Pflüger Dirk. "Efficient and scalable distributed-memory hierarchization algorithms for the sparse grid combination technique." In Advances in Parallel Computing. IOS Press, 2016. https://doi.org/10.3233/978-1-61499-621-7-339.

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Finding solutions to higher dimensional problems, such as the simulation of plasma turbulence in a fusion device as described by the five-dimensional gyrokinetic equations, is a grand challenge facing current and future high performance computing (HPC). The sparse grid combination technique is a promising approach to the solution of these problems on large scale distributed memory systems. The combination technique numerically decomposes a single large problem into multiple moderately sized partial problems that can be computed in parallel, independently and asynchronously of each other. The a
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Dannert Tilman, Marek Andreas, and Rampp Markus. "Porting Large HPC Applications to GPU Clusters: The Codes GENE and VERTEX." In Advances in Parallel Computing. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-381-0-305.

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We have developed GPU versions for two major high-performance-computing (HPC) applications originating from two different scientific domains. GENE [1,2] is a plasma microturbulence code which is employed for simulations of nuclear fusion plasmas. VERTEX [3,4,5] is a neutrino-radiation hydrodynamics code for &amp;ldquo;first principles&amp;rdquo;-simulations of core-collapse supernova explosions [6,7,8]. The codes are considered state of the art in their respective scientific domains, both concerning their scientific scope and functionality as well as the achievable compute performance, in part
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Pasupuleti, Murali Krishna. "AI-Driven Fusion: Unlocking Net-Positive Energy for a Sustainable Future." In AI-Enhanced Fusion Energy: Achieving the First Net-Positive Reactor. National Education Services, 2025. https://doi.org/10.62311/nesx/32251.

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Abstract AI-driven fusion energy is revolutionizing the path toward net-positive nuclear fusion, offering a sustainable and limitless power source for the future. By integrating machine learning, high-performance computing (HPC), and real-time plasma control algorithms, AI is accelerating breakthroughs in tokamak, stellarator, and inertial fusion reactor designs. AI-powered predictive modeling, reinforcement learning-based plasma stabilization, and automated reactor optimization are significantly improving plasma confinement, energy efficiency, and fusion scalability. Additionally, AI is enhan
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Ribeiro Tiago and Haefele Matthieu. "NEMORB's Fourier Filter and Distributed Matrix Transposition on Petaflop Systems." In Advances in Parallel Computing. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-381-0-415.

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The work presented refers to the calculation of two-dimensional Fourier transforms of distributed data, of which matrix transposition is a major ingredient. The motivation stems from a well-known parallel scalability bottleneck related to Fourier filtering within the global gyrokinetic NEMORB code, whose aim is to simulate plasma turbulence within a Tokamak fusion device. Since this pure MPI code is very HPC-resource demanding, with good scaling up to 65536 tasks, such a bottleneck naturally impairs further parallel scalability. To overcome this limitation the filtering algorithm is modified.
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Conference papers on the topic "HPC plasma turbulence simulations"

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Schlatter, Philipp, Johan Malm, Geert Brethouwer, Arne V. Johansson, and Dan S. Henningson. "Large-scale Simulations of Turbulence: HPC and Numerical Experiments." In 2011 IEEE 7th International Conference on E-Science (e-Science). IEEE, 2011. http://dx.doi.org/10.1109/escience.2011.51.

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Reynolds-Barredo, J. M., D. E. Newman, J. M. Reynolds-Barredo, R. Sanchez, and L. A. Berry. "Modelling parareal convergence in 2D drift wave plasma turbulence." In 2012 International Conference on High Performance Computing & Simulation (HPCS). IEEE, 2012. http://dx.doi.org/10.1109/hpcsim.2012.6267004.

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Lederer, Hermann, Roman Hatzky, Reinhard Tisma, Alberto Bottino, and Frank Jenko. "Hyperscaling of plasma turbulence simulations in DEISA." In HPDC07: International Symposium on High Performance Distributed Computing. ACM, 2007. http://dx.doi.org/10.1145/1273404.1273406.

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Watanabe, T. H. "Direct Kinetic Simulations of Ion Temperature Gradient Driven Turbulence." In PLASMA PHYSICS: 11th International Congress on Plasma Physics: ICPP2002. AIP, 2003. http://dx.doi.org/10.1063/1.1593966.

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Joiner, Nathan, Akira Hirose, and William Dorland. "Gyrokinetic simulation of micro-turbulence in magnetically confined plasmas." In 21st International Symposium on High Performance Computing Systems and Applications (HPCS'07). IEEE, 2007. http://dx.doi.org/10.1109/hpcs.2007.18.

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Tskhakaya, David, Alejandro Soba, Ralf Schneider, Mattias Borchardt, Erven Yurtesen, and Jan Westerholm. "PIC/MC Code BIT1 for Plasma Simulations on HPC." In 2010 18th Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP). IEEE, 2010. http://dx.doi.org/10.1109/pdp.2010.47.

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Tang, William, Bei Wang, Stephane Ethier, et al. "Extreme Scale Plasma Turbulence Simulations on Top Supercomputers Worldwide." In SC16: International Conference for High Performance Computing, Networking, Storage and Analysis. IEEE, 2016. http://dx.doi.org/10.1109/sc.2016.42.

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Guclu, Yaman, Eric Sonnendrucker, and Michel Mehrenberger. "Field-aligned semi-Lagrangian methods for turbulence simulations of strongly magnetized plasmas." In 2015 IEEE International Conference on Plasma Sciences (ICOPS). IEEE, 2015. http://dx.doi.org/10.1109/plasma.2015.7179921.

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Bolot, R., A. Allimant, D. Billières, and C. Coddet. "Turbulence Effects in a DC Plasma Torch." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, et al. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p1267.

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Abstract The development of new plasma spray torches reinforced the use of numerical modelling to help in the design steps. Most of the thermal spray material providers are thus now interested in understanding the arc behaviour inside the torch so that CFD studies focussed on this topic become numerous. Our first calculations performed on the ProPlasma HP gun assuming a laminar hypothesis have shown underestimations of the torch voltage and of the thermal losses in the cooling circuit, and a subsequent overestimation of the thermal efficiency of the torch. In the present study, the setup of di
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Chen, L., J. Mostaghimi, and L. Pershin. "Numerical Simulations of Cascaded Plasma Torch Using Ar and Molecular Gases." In ITSC2007, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. ASM International, 2007. http://dx.doi.org/10.31399/asm.cp.itsc2007p0158.

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Abstract In this work, plasma flow inside a cascaded DC torch, effect of a plasma gas composition (Ar or CO2+CH4), and torch performance were studied. Both laminar model and k-ε turbulence model were employed and compared in the simulations. The results revealed that carbon contained gases can significantly increase the arc voltage and torch power. This gas mixture increases the arc voltage by up to 200% in comparison with argon. Voltage-current characteristics were also simulated for the current range of 200-400A. Differences in the torch performance can be attributed to the gases specific pr
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Reports on the topic "HPC plasma turbulence simulations"

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D.R. Mikkelsen and W. Dorland. The Dimits Shift in More Realistic Gyrokinetic Plasma Turbulence Simulations. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/953703.

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