Publications of R. Ramasamy

Zhang, H.; Hölzl, M.; Krebs, I.; Burckhart, A.; Bock, A.; Günter, S.; Igochine, V.; Lackner, K.; Ramasamy, R.; Zohm, H. et al.; JOREK Team; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Quantitative magnetohydrodynamic modelling of flux pumping in ASDEX Upgrade. Nuclear Fusion 65, 066001 (2025)

Hoelzl, M.; Huijsmans, G. T. A.; Artola, F. J.; Nardon, E.; Becoulet, M.; Schwarz, N.; Cathey, A.; Pamela, S. J. P.; Aleynikova, K.; Antlitz, F. et al.; Bandaru, V.; Bergström, H.; Bhole, A.; Bogaarts, T.; Bonfiglio, D.; Cipolletta, F.; Driessen, T.; Edes, L.; Futatani, S.; Hao, G.; Hindenlang, F.; Holod, I.; Hu, D.; Hu, S.; Isernia, N.; Isliker, H.; Kim, S.K.; Kong, M.; Korving, S.; Kos, L.; Krebs, I.; Lee, S. J.; Liang, Y. C.; Liang, Z.; Liu, S. J.; Lu, Z. X.; Meier, L.; Messfeldt, L.; Mitterauer, V.; Nikulsin, N.; Nkonga, B.; Ramasamy, R.; Reinking, J.; Rogge, C.; Rubinacci, G.; Särkimäki, K.; Smits, T.; Sommariva, C.; Sparago, R.; Strien, K.; Szücs, M.; Tang, W.; van Tongeren, J.; Vannini, F.; Ventre, S.; Villone, F.; Wang, C.; Wang, L.; Wieschollek, F.; Wouters, F.; Zielinski, J.; Zhang, H.: Non-linear MHD modelling of transients in tokamaks: a review of recent advances with the JOREK code. Nuclear Fusion 64, 112016 (2024)

Ramasamy, R.; Aleynikova, K.; Nikulsin, N.; Hindenlang, F.; Holod, I.; Strumberger, E.; Hoelzl, M.; JOREK Team: Nonlinear MHD modeling of soft β limits in W7-AS. Nuclear Fusion 64, 086030 (2024)

Ramasamy, R.; Hoelzl, M.; Henneberg, S.; Strumberger, E.; Lackner, K.; Günter, S.: How well can VMEC predict the initial saturation of external kink modes in near circular tokamaks and l = 2 stellarators? Physics of Plasmas 30, 062506 (2023)

Nikulsin, N.; Ramasamy, R.; Hoelzl, M.; Hindenlang, F.; Strumberger, E.; Lackner, K.; Günter, S.; JOREK Team: JOREK3D: An extension of the JOREK nonlinear MHD code to stellarators. Physics of Plasmas 29, 063901 (2022)

Ramasamy, R.; Bustos Ramirez, G.; Hoelzl, M.; Graves, J.; Suarez Lopez, G.; Lackner, K.; Günter, S.; JOREK Team: Modeling of saturated external MHD instabilities in tokamaks: A comparison of 3D free boundary equilibria and nonlinear stability calculations. Physics of Plasmas 29, 072303 (2022)

Hoelzl, M.; Huijsmans, G. T. A.; Pamela, S. J. P.; Becoulet, M.; Nardon, E.; Artola, F. J.; Nkonga, B.; Atanasiu, C. V.; Bandaru, V.; Bhole, A. et al.; Bonfiglio, D.; Cathey, A.; Czarny, O.; Dvornova, A.; Feher, T.; Fil, A.; Franck, E.; Futatani, S.; Gruca, M.; Guillard, H.; Haverkort, J. W.; Holod, I.; Hu, D.; Kim, S. K.; Korving, S. Q.; Kos, L.; Krebs, I.; Kripner, L.; Latu, G.; Liu, F.; Merkel, P.; Meshcheriakov, D.; Mitterauer, V.; Mochalskyy, S.; Morales, J. A.; Nies, R.; Nikulsin, N.; Orain, F.; Pratt, J.; Ramasamy, R.; Ramet, P.; Reux, C.; Särkimäki, K.; Schwarz, N.; Singh Verma , P.; Smith, S. F.; Sommariva, C.; Strumberger, E.; Vugt, D. C. v.; Verbeek, M.; Westerhof, E.; Wieschollek, F.; Zielinski, J.: The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas. Nuclear Fusion 61, 065001 (2021)

Ramasamy, R.; Hoelzl, M.; Strumberger, E.; Lackner, K.; Günter, S.: Nonlinear MHD simulations of external kinks in quasi-axisymmetric stellarators using an axisymmetric external rotational transform approximation. Nuclear Fusion 61, 076017 (2021)

Ramasamy, R.; Aleynikova, K.; Nikulsin, N.; Hoelzl, M.; Hindenlang, F.; JOREK Team: External kink dynamics in classical l=2 stellarators. In: 49th EPS Conference on Plasma Physics, P2.064 (Eds. Le Pape, S.; Bolzonella, T.; Passot, T.; Lehman, G.; Pustylnik, M. et al.). 49th EPS Conference on Plasma Physics, Bordeaux, July 03, 2023 - July 07, 2023. European Physical Society, Geneva (2023)

Nikulsin, N.; Hoelzl, M.; Zocco, A.; Ramasamy, R.; Lackner, K.; Günter, S.: Implementation and testing of stellarator-capable models in JOREK. In: Verhandlungen der Deutschen Physikalischen Gesellschaft, (VI) 55 (1), P 10.10. DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), Hannover, March 08, 2020 - March 13, 2020. DPG, Bad Honnef (submitted)

Ramasamy, R.; Hoelzl, M.; Strumberger, E.; Yu, Q.; Artola, J.; Lackner, K.; Günter, S.: Non-linear MHD Assessments of Stellarator-like Tokamaks. In: Verhandlungen der Deutschen Physikalischen Gesellschaft, (VI) 55 (1), P 16.3. DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), Hannover, March 08, 2020 - March 13, 2020. DPG, Bad Honnef (submitted)

Ramasamy, R.; Aleynikova, K.; Nikulsin, N.; Hindenlang, F.; Holod, I.; Strumberger, E.; Hoelzl, M.; JOREK Team: Probing the role of stochasticity in finite beta W7-AS discharges using nonlinear MHD modelling. 11th International Workshop on "Stochasticity in Fusion Plasmas (SFP)" – 3D Physics in Stellarators and Tokamaks, Bad Honnef (submitted)

Nikulsin, N.; Ramasamy, R.; Hoelzl, M.; Zocco, A.; Lackner, K.; Günter, S.: First results for stellarator simulations with JOREK. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (submitted)

Ramasamy, R.; Hoelzl, M.; Strumberger, E.; Suarez Lopez, G.; Henneberg, S.; Lackner, K.; Günter, S.: Simplified nonlinear MHD models of external kink modes in stellarators. DPG-Tagung der Sektion Materie und Kosmos (SMuK), Virtual (submitted)

Nikulsin, N.; Hoelzl, M.; Ramasamy, R.; Zocco, A.; Lackner, K.; Günter, S.: Implementation and testing of stellarator-capable models in JOREK. 4th Asia Pacific Conference on Plasma Physics (AAPPS-DPP 2020), Virtual (submitted)

Ramasamy, R.; Aleynikova, K.; Nikulsin, N.; Nuehrenberg, C.; Geiger, J.; Hoelzl, M.; JOREK Team: Progress in modeling low n pressure driven modes in W7-AS and W7-X. Joint Varenna-Lausanne International Workshop on Theory of Fusion Plasmas, Varenna (submitted)

Ramasamy, R.; Aleynikova, K.; Nikulsin, N.; Nuehrenberg, C.; Geiger, J.; Hoelzl, M.; JOREK Team: Nonlinear MHD simulation studies of finite β Wendelstein stellarators. 24th International Stellarator Heliotron Workshop (ISHW 2024), Hiroshima (submitted)

Rogge, C. W.; Aleynikova, K.; Aleynikov, P.; Ramasamy, R.; Hoelzl, M.: Towards Modeling Pellet-Produced Plasmoid Dynamics in Stellarators using the Nonlinear MHD Code JOREK. 50th EPS Conference on Plasma Physics, Salamanca (submitted)

Rogge, C. W.; Aleynikova, K.; Aleynikov, P.; Ramasamy, R.; Hoelzl, M.; Nikulsin, N.: Towards Modeling Pellet-Produced Plasmoid Dynamics in Stellarators with JOREK. DPG-Frühjahrstagung der Sektion Materie und Kosmos (SMuK), Göttingen (submitted)

Aleynikova, K.; Ramasamy, R.; Nikulsin, N.; Hindenlang, F.; Hoelzl, M.; JOREK Team: Nonlinear tearing modes evolution and sawtooth crashes in a stellarator. 49th EPS Conference on Plasma Physics, Bordeaux (submitted)