Basic Information

Faculty

• Faculty of Engineering

Professional Memberships

• 米国物理学会
• The Japan Society of Plasma Science and Nuclear Fusion Research
• THE PHYSICAL SOCIETY OF JAPAN

Academic Degree

• 23 Mar. 2010

  京都大学博士(エネルギー科学)
• 23 Mar. 2007

  京都大学修士(エネルギー科学)

Academic Resume (Undergraduate School/Majors)

• 京都大学, 工学部電気電子工学科, 卒業

Research History

• From Apr. 2025, To Present

  National Institutes for Quantum Science and Technology, 那珂フュージョン科学技術研究所先進プラズマ研究部先進プラズマモデリンググループ, Visiting Researcher
• From Aug. 2023, To Present

  Kyoto University, Graduate School of Energy Science, 准教授
• From Apr. 2021, To Mar. 2024

  東北大学大学院工学研究科 客員准教授
• From Jul. 2023, To Jul. 2023

  National Institutes for Quantum and Radiological Science and Technology, 上席研究員
• From Jul. 2019, To Jun. 2023

  National Institutes for Quantum and Radiological Science and Technology, Principle Researcher
• From Apr. 2016, To Jun. 2019

  National Institutes for Quantum and Radiological Science and Technology, 主任研究員
• From Apr. 2015, To Mar. 2016

  Japan Atomic Energy Agency, 研究員
• From Apr. 2012, To Mar. 2015

  Japan Atomic Energy Agency, 特定課題推進員/任期付研究員
• From Apr. 2010, To Mar. 2012

  自然科学研究機構 核融合科学研究所, COE研究員

Profile

• Profile

  専門は磁場閉じ込め核融合プラズマ中の MHD・輸送現象や高エネルギー粒子物理の理論・シミュレーション研究。ここ数年はトカマク放電の ディスラプション現象を中心に研究しています。

ID,URL

• J-Global ID

  201801013593287478

• External link

  http://www.em-energy.energy.kyoto-u.ac.jp/

researchmap URL

• https://researchmap.jp/akinobu_matsuyama

Research

Research Interests

• Pellet Injection
• Computer Simulations
• Runaway Electrons
• Disruptions
• Tokamaks
• Plasma Science and Technology
• Nuclear Fusion

Research Areas

• Energy, Basic plasma science
• Informatics, Computational science
• Energy, Nuclear fusion

Papers

• Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions

  K. Ida; M. Yoshinuma; M. Kobayashi; T. Kobayashi; N. Kenmochi; F. Nespoli; R.M. Magee; F. Warmer; A. Dinklage; A. Matsuyama; R. Sakamoto; T. Nasu; T. Tokuzawa; T. Kinoshita; K. Tanaka; N. Tamura; K. Nagaoka; M. Nishiura; Y. Takemura; K. Ogawa; G. Motojima; T. Oishi; Y. Morishita; J. Varela; W.H.J. Hayashi; M. Markl; H. Bouvain; Y. Liang; M. Leconte; D. Moseev; V.E. Moiseenko; C.G. Albert; I. Allfrey; A. Alonso; F.J. Arellano; N. Ashikawa; A. Azegami; L. Bardoczi; M. van Berkel; M. Beurskens; M.W. Binderbaue; A. Bortolon; S. Brezinsek; R. Bussiahn; A. Cappa; D. Carralero; I.C. Chan; J. Cheng; X. Dai; D.J. Den Hartog; C.P. Dhard; F. Ding; A. Ejiri; S. Ertmer; T. Fornal; K. Fujita; Y. Fujiwara; H. Funaba; L. Garcia; J.M. Garcia-Regana; I. Garcia-Cortés; I.E. Garkusha; D.A. Gates; Y. Ghai; E.P. Gilson; H. Gota; M. Goto; E.M. Green; V. Haak; S. Hamaguchi; K. Hanada; H. Hara; D. Hartmann; Y. Hayashi; T. Henning; C. Hidalgo; J. Hillairet; R. Hutton; T. Ido; H. Igami; K. Ikeda; S. Inagaki; A. Ishizawa; S. Ito; M. Isobe; Y. Isobe; M. Ivkovic; Z. Jiang; J. Jo; S. Kamio; H. Kasahara; D. Kato; Y. Katoh; Y. Kawachi; Y. Kawamoto; G. Kawamura; T. Kawate; Ye.O. Kazakov; V. Klumper; A. Knieps; W.H. Ko; S. Kobayashi; F. Koike; Yu.V. Kovtun; M. Kubkowska; S. Kubo; S.S.H. Lam; A. Langenberg; H. Laqua; S. Lazerson; J. Lestz; B. Li; L. Liao; Z. Lin; R. Lunsford; S. Masuzaki; H. Matsuura; K.J. McCarthy; D. Medina-Roque; O. Mitarai; A. Mollen; C. Moon; Y. Mori; T. Morisaki; S. Morita; K. Mukai; I. Murakami; S. Murakami; T. Murase; C.M. Muscatello; K. Nagasaki; D. Naujoks; H. Nakano; M. Nakata; Y. Narushima; A. Nagy; J.H. Nicolau; T. Nishizawa; S. Nishimoto; H. Nuga; M. Nunami; R. Ochoukov; S. Ohdachi; J. Ongena; M. Osakabe; N.A. Pablant; N. Panadero; B. Peterson; J. de la Riva Villén; J. Romazanov; J. Rosato; M. Rud; S. Sakakibara; H.A. Sakaue; H. Sakai; I. Sakon; M. Salewski; S. Sangaroon; S. Sereda; T. Stange; K. Saito; S. Satake; R. Seki; T. Seki; S. Sharapov; A. Shimizu; T. Shimozuma; G. Shivam; M. Shoji; D.A. Spong; H. Sugama; Z. Sun; C. Suzuki; Y. Suzuki; T. Tajima; E. Takada; H. Takahashi; K. Toi; Y. Tsuchibushi; N. Tsujii; K. Tsumori; T.I. Tsujimurai; G. Ueno; H. Uehara; J.L. Velasco; E. Wang; K.Y. Watanabe; T. Wauter; U. Wenzel; M. Yajima; H. Yamada; I. Yamada; K. Yanagihara; H. Yamaguchi; R. Yanai; R. Yasuhara; M. Yokoyama; Y. Yoshimura; M. Zarnstorff; M. Zhao; G.Q. Zhong; Q. Zhou; S. Ziaei

  Nuclear Fusion, 28 Aug. 2024

  
• Contribution of Hydrogen Molecular Activated Recombination to Plasma Particle Loss in DT-ALPHA

  Keigo YOSHIMURA; Hiroyuki TAKAHASHI; Ryota NISHIMURA; Tomoya HARA; Shigetaka KAGAYA; Tetsutarou OISHI; Akinobu MATSUYAMA; Kenji TOBITA

  Plasma and Fusion Research, 21 Feb. 2025

  
• Evolution of a laser wake cavity in a MCF plasma

  Andreas Bierwage; Timur Zh. Esirkepov; James K. Koga; Alexander S. Pirozhkov; Nobuyuki Aiba; Kai Huang; Masaki Kando; Hiromitsu Kiriyama; Akinobu Matsuyama; Kouji Shinohara; Masatoshi Yagi; Gunsu S. Yun

  Scientific Reports, 13 Nov. 2024

  
• Determination of Parallel and Perpendicular Ion Temperatures Based on Selective Ion Transmission in a Retarding Field Analyzer

  Shigetaka KAGAYA; Hiroyuki TAKAHASHI; Tomohiro SEINO; Keigo YOSHIMURA; Ryota NISHIMURA; Akihiro KANNO; Yusaku TAKAHASHI; Tomoya HARA; Tetsutarou OISHI; Akinobu MATSUYAMA; Kenji TOBITA

  Plasma and Fusion Research, May 2024, Peer-reviewed

  
• Better Understanding of Hydrogen Pellet Ablation Cloud Spectra through the Occupation Probability Formalism in LHD

  Motoshi Goto; Gen Motojima; Ryuichi Sakamoto; Bernard Pégourié; Akinobu Matsuyama; Tetsutarou Oishi; Tomoko Kawate; Yasuko Kawamoto

  Atoms, 08 Jan. 2024, Peer-reviewed

  
• Systematic numerical analysis of ECCD exploring injection conditions with high CD efficiency and current profile controllability in JA DEMO

  Tomohiro Seino; Kota Yanagihara; Hiroyuki Takahashi; Kenji Tobita; Kazunobu Nagasaki; Atsushi Fukuyama; Akinobu Matsuyama; Tetsutarou Oishi; Takashi Maekawa

  Fusion Engineering and Design, Jun. 2024

  
• Structure of pellet cloud emission and relation with the local ablation rate

  B. Pégourié; E. Geulin; M. Goto; A. Matsuyama; G. Motojima; R. Sakamoto

  Nuclear Fusion, 01 May 2024

  
• Spatial Distribution Analyses of Axially Long Plasmas under a Multi-Cusp Magnetic Field Using a Kinetic Particle Simulation Code KEIO-MARC

  Ryota Nishimura; Tomohiro Seino; Keigo Yoshimura; Hiroyuki Takahashi; Akinobu Matsuyama; Kazuo Hoshino; Tetsutarou Oishi; Kenji Tobita

  Plasma, 22 Jan. 2024

  
• MUSES: A nonlinear magnetohydrodynamics discontinuous Galerkin code for fusion plasmas

  Takashi Shiroto; Akinobu Matsuyama; Nobuyuki Aiba

  Computer Physics Communications, Apr. 2024

  
• Density and temperature profiles after low-Z and high-Z shattered pellet injections on DIII-D

  A. Lvovskiy; A. Matsuyama; T. O’Gorman; D. Shiraki; J.L. Herfindal; E.M. Hollmann; C. Marini; R. Boivin; N.W. Eidietis; M. Lehnen

  Nuclear Fusion, 01 Jan. 2024, Peer-reviewed

  
• Characterization of early current quench time during massive impurity injection in JT-60SA

  T. Yokoyama; A. Matsuyama; Y. Yamamoto; S. Miyamoto; Y. Shibata; S. Inoue; S. Kojima; S. Nakamura; T. Wakatsuki; M. Yoshida

  Nuclear Fusion, 01 Dec. 2023, Peer-reviewed

  
• Integrated Modeling of Runaway Electron Beam Formation in JA DEMO Post-Disruption Plasmas

  Yasuhiro YAMAMOTO; Akinobu MATSUYAMA; Youji SOMEYA; Weixi CHEN; Seiji MIYAMOTO; Yoshihide SHIBATA

  Plasma and Fusion Research, 02 Aug. 2023, Peer-reviewed

  
• Impact of selective ion transmission on measurement by retarding field analyzer

  H. Takahashi; T. Seino; R. Nishimura; K. Yoshimura; A. Kanno; T. Hara; Y. Takahashi; S. Kagaya; A. Matsuyama; Y. Hayashi; K. Tobita

  Physics of Plasmas, 01 May 2023, Peer-reviewed

  
• A comparison of the influence of plasmoid-drift mechanisms on plasma fuelling by cryogenic pellets in ITER and Wendelstein 7-X

  N. Panadero; F. Koechl; A. R. Polevoi; J. Baldzuhn; C. D. Beidler; P. T. Lang; A. Loarte; A. Matsuyama; K. J. McCarthy; B. Pégourié; Y. Turkin

  Nuclear Fusion, Apr. 2023, Peer-reviewed

  
• Modelling of ohmic startup and runaway electron formation in support of JT-60SA initial operation

  A. Matsuyama; T. Wakatsuki; S. Inoue; Y. Yamamoto; M. Yoshida; H. Urano

  Nuclear Fusion, 01 Feb. 2023, Peer-reviewed

  
• Enhanced Material Assimilation in a Toroidal Plasma Using Mixed H2+Ne Pellet Injection and Implications to ITER

  A. Matsuyama; R. Sakamoto; R. Yasuhara; H. Funaba; H. Uehara; I. Yamada; T. Kawate; M. Goto

  Physical Review Letters, 14 Dec. 2022, Peer-reviewed

  
• Testing the conservative character of particle simulations: I. Canonical and noncanonical guiding center model in Boozer coordinates

  A. Bierwage; R. B. White; A. Matsuyama

  Physics of Plasmas, Nov. 2022, Peer-reviewed

  
• Transport simulations of pre-thermal quench shattered pellet injection in ITER: code verification and assessment of key trends

  A Matsuyama; D Hu; M Lehnen; E Nardon; J Artola

  Plasma Physics and Controlled Fusion, 09 Sep. 2022, Peer-reviewed

  
• A charge-momentum-energy-conserving 1D3V hybrid Lagrangian–Eulerian method for Vlasov–Maxwell system

  Takashi Shiroto; Akinobu Matsuyama; Masatoshi Yagi

  Journal of Computational Physics, 05 Aug. 2022, Peer-reviewed

  
• Observation of Electron Density Rollover in Hydrogen Plasma Produced with DT-ALPHA Device

  Keigo YOSHIMURA; Hiroyuki TAKAHASHI; Tomohiro SEINO; Kaoru KUSABIRAKI; Yuki SAKATA; Ryota NISHIMURA; Akinobu MATSUYAMA; Kenji TOBITA

  Plasma and Fusion Research, 22 Jun. 2022, Peer-reviewed

  
• Plasma physics and control studies planned in JT-60SA for ITER and DEMO operations and risk mitigation

  M. Yoshida; G. Giruzzi; N. Aiba; J. F. Artaud; J. Ayllon-Guerola; L. Balbinot; O. Beeke; E. Belonohy; P. Bettini; W. Bin; A. Bierwage; T. Bolzonella; M. Bonotto; C. Boulbe; J. Buermans; M. Chernyshova; S. Coda; R. Coelho; S. Davis; C. Day; G. De Tommasi; M. Dibon; A. Ejiri; G. Falchetto; A. Fassina; B. Faugeras; L. Figini; M. Fukumoto; S. Futatani; K. Galazka; J. Garcia; M. Garcia-Muñoz; L. Garzotti; L. Giacomelli; L. Giudicotti; S. Hall; N. Hayashi; C. Hoa; M. Honda; K. Hoshino; M. Iafrati; A. Iantchenko; S. Ide; S. Iio; R. Imazawa; S. Inoue; A. Isayama; E. Joffrin; K. Kamiya; Y. Ko; M. Kobayashi; T. Kobayashi; G. Kocsis; A. Kovacsik; T. Kurki-Suonio; B. Lacroix; P. Lang; Ph Lauber; A. Louzguiti; E. De La Luna; G. Marchiori; M. Mattei; A. Matsuyama; S. Mazzi; A. Mele; F. Michel; Y. Miyata; J. Morales; P. Moreau; A. Moro; T. Nakano; M. Nakata; E. Narita; R. Neu; S. Nicollet; M. Nocente; S. Nowak; F. P. Orsitto; V. Ostuni; Y. Ohtani; N. Oyama; R. Pasqualotto; B. Pégourié; E. Perelli; L. Pigatto; C. Piccinni; A. Pironti; P. Platania; B. Ploeckl; D. Ricci; P. Roussel; G. Rubino; R. Sano; K. Särkimäki; K. Shinohara; S. Soare; C. Sozzi; S. Sumida; T. Suzuki; Y. Suzuki

  Plasma Physics and Controlled Fusion, May 2022, Peer-reviewed

  
• Neutral gas and plasma shielding (NGPS) model and cross-field motion of ablated material for hydrogen-neon mixed pellet injection

  Akinobu Matsuyama

  Physics of Plasmas, Apr. 2022, Peer-reviewed

  
• On electron temperature rise in divertor relevant recombining plasma along magnetic field line

  H. Takahashi; M. N. Winarto; A. Okamoto; P. Boonyarittipong; T. Seino; K. Kusabiraki; Y. Sakata; K. Yoshimura; R. Nishimura; S. Kitajima; A. Matsuyama; K. Tobita

  Physics of Plasmas, Mar. 2022, Peer-reviewed

  
• Results of ITER DMS Pellet Material (Neon) Injection into Large Helical Device

  Akinobu Matsuyama; Ryuichi Sakamoto

  PLASMA AND FUSION RESEARCH, Mar. 2022, Peer-reviewed

  
• Post-thermal-quench shattered pellet injection for runaway electron seed depletion in ITER

  E. Nardon; A. Matsuyama; D. Hu; F. Wieschollek

  Nuclear Fusion, Jan. 2022, Peer-reviewed

  
• A mass-energy-conserving discontinuous Galerkin scheme for the isotropic multispecies Rosenbluth-Fokker-Planck equation

  Takashi Shiroto; Akinobu Matsuyama; Nobuyuki Aiba; Masatoshi Yagi

  JOURNAL OF COMPUTATIONAL PHYSICS, Jan. 2022, Peer-reviewed

  
• R&D Activities for Fusion DEMO in the QST Rokkasho Fusion Institute

  Y. Ishii; N. Aiba; M. Ando; N. Asakura; A. Bierwage; P. Cara; H. Dzitko; Y. Edao; D. Gex; K. Hasegawa; T. Hayashi; R. Hiwatari; T. Hoshino; Y. Ikeda; S. Ishida; K. Isobe; Y. Iwai; A. Jokinen; A. Kasugai; Y. Kawamura; J. H. Kim; K. Kondo; S. Kwon; S. C. Lorenzo; K. Masuda; A. Matsuyama; N. Miyato; K. Morishita; M. Nakajima; N. Nakajima; M. Nakamichi; T. Nozawa; K. Ochiai; M. Ohta; M. Oyaidzu; T. Ozeki; K. Sakamoto; Y. Sakamoto; S. Sato; H. Seto; T. Shiroto; Y. Someya; M. Sugimoto; H. Tanigawa; S. Tokunaga; H. Utoh; W. Wang; Y. Watanabe; M. Yagi

  Fusion Science and Technology, 2021, Peer-reviewed

  
• Efficient estimation of drift orbit island width for passing ions in a shaped tokamak plasma with a static magnetic perturbation

  Kouji Shinohara; Andreas Bierwage; Akinobu Matsuyama; Yasuhiro Suzuki; Go Matsunaga; Mitsuru Honda; Shuhei Sumida; Junghee Kim

  Nuclear Fusion, 01 Sep. 2020, Peer-reviewed

  
• Advances in the physics studies for the JT-60SA tokamak exploitation and research plan

  G Giruzzi; M Yoshida; N Aiba; J F Artaud; J Ayllon-Guerola; O Beeke; A Bierwage; T Bolzonella; M Bonotto; C Boulbe; M Chernyshova; S Coda; R Coelho; D Corona; N Cruz; S Davis; C Day; G De Tommasi; M Dibon; D Douai; D Farina; A Fassina; B Faugeras; L Figini; M Fukumoto; S Futatani; K Galazka; J Garcia; M Garcia-Muñoz; L Garzotti; L Giudicotti; N Hayashi; M Honda; K Hoshino; A Iantchenko; S Ide; S Inoue; A Isayama; E Joffrin; Y Kamada; K Kamiya; M Kashiwagi; H Kawashima; T Kobayashi; A Kojima; T Kurki-Suonio; P Lang; Ph Lauber; E de la Luna; G Marchiori; G Matsunaga; A Matsuyama; M Mattei; S Mazzi; A Mele; Y Miyata; S Moriyama; J Morales; A Moro; T Nakano; R Neu; S Nowak; FP Orsitto; V Ostuni; N Oyama; S Paméla; R Pasqualotto; B Pégourié; E Perelli; L Pigatto; C Piron; A Pironti; P Platania; B Ploeckl; D Ricci; M Romanelli; G Rubino; S Sakurai; K Särkimäki; M Scannapiego; K Shinohara; J Shiraishi; S Soare; C Sozzi; T Suzuki; Y Suzuki; T Szepesi; M Takechi; K Tanaka; H Tojo; M Turnyanskiy; H Urano; M Valisa; M Vallar; J Varje; J Vega; F Villone; T Wakatsuki; T Wauters; M Wischmeier; S Yamoto; R Zagórski

  Plasma Physics and Controlled Fusion, 01 Jan. 2020, Peer-reviewed

  
• Reconnecting instabilities in JT-60SA during current ramp-up with off-axis N-NB injection

  A. Bierwage; N. Aiba; A. Matsuyama; K. Shinohara; M. Yagi

  Plasma Physics and Controlled Fusion, Jan. 2019, Peer-reviewed

  
• Shaping Effects on Non-Ideal Ballooning Mode

  Seto Haruki; Yagi Masatoshi; Aiba Nobuyuki; Matsuyama Akinobu; Dudson Benjamin D; Xu Xueqiao

  PLASMA AND FUSION RESEARCH, 2018, Peer-reviewed

  
• Conceptual design study of pellet fueling system for DEMO

  S. Tokunaga; A. Matsuyama; Y. Someya; H. Utoh; Y. Sakamoto; N. Asakura; K. Tobita

  Fusion Engineering and Design, Nov. 2017, Peer-reviewed

  
• High-order integration scheme for relativistic charged particle motion in magnetized plasmas with volume preserving properties

  Akinobu Matsuyama; Masaru Furukawa

  COMPUTER PHYSICS COMMUNICATIONS, Nov. 2017, Peer-reviewed

  
• Predictions of toroidal rotation and torque sources arising in non-axisymmetric perturbed magnetic fields in tokamaks

  M. Honda; S. Satake; Y. Suzuki; K. Shinohara; M. Yoshida; E. Narita; M. Nakata; N. Aiba; J. Shiraishi; N. Hayashi; G. Matsunaga; A. Matsuyama; S. Ide

  Nuclear Fusion, 18 Aug. 2017, Peer-reviewed

  
• Reduced fluid simulation of runaway electron generation in the presence of resistive kink modes

  A. Matsuyama; N. Aiba; M. Yagi

  Nuclear Fusion, 04 May 2017, Peer-reviewed

  
• Analysis of avalanche runaway generation after disruptions with low-Z and noble gas species

  Akinobu Matsuyama; Masatoshi Yagi

  Plasma and Fusion Research, 2017, Peer-reviewed

  
• Non-Ideal Ballooning Mode Instability with Real Electron Inertia

  Seto Haruki; Yagi Masatoshi; Aiba Nobuyuki; Matsuyama Akinobu; Dudson Benjamin D; Xu Xueqiao

  PLASMA AND FUSION RESEARCH, 09 Dec. 2016, Peer-reviewed

  
• High-Accuracy Numerical Integration of Charged Particle Motion - with Application to Ponderomotive Force

  Furukawa Masaru; Matsuyama Akinobu; Ohkawa Yushiro

  PLASMA AND FUSION RESEARCH, 10 Feb. 2016, Peer-reviewed

  
• Erratum to Fokker-Planck Simulation Study of Hot-Tail Effect on Runaway Electron Generation in ITER Disruptions) [Plasma Fusion Res., 11, (2016) 2403023, DOI:10.1585/pfr.11.2403023]

  Hideo Nuga; Akinobu Matsuyama; Masatoshi Yagi; Atsushi Fukuyama

  Plasma and Fusion Research, 2016

  
• Fokker-planck simulation study of hot-tail effect on runaway electron generation in ITER disruptions

  Hideo Nuga; Akinobu Matsuyama; Masatoshi Yagi; Atsushi Fukuyama

  Plasma and Fusion Research, 2016, Peer-reviewed

  
• Integrated modelling of toroidal rotation with the 3D non-local drift-kinetic code and boundary models for JT-60U analyses and predictive simulations

  M. Honda; S. Satake; Y. Suzuki; M. Yoshida; N. Hayashi; K. Kamiya; A. Matsuyama; K. Shinohara; G. Matsunaga; M. Nakata; S. Ide; H. Urano

  NUCLEAR FUSION, Jul. 2015, Peer-reviewed

  
• Fokker-Planck simulation of runaway electron generation in tokamak disruptions

  Hideo Nuga; Akinobu Matsuyama; Masatoshi Yagi; Atsushi Fukuyama

  Plasma and Fusion Research, 2015, Peer-reviewed

  
• Drift resonance effect on stochastic runaway electron orbit in the presence of low-order magnetic perturbations

  A. Matsuyama; M. Yagi; Y. Kagei; N. Nakajima

  NUCLEAR FUSION, Dec. 2014, Peer-reviewed

  
• Experimental analyses and predictive simulations of toroidal rotation driven by the neoclassical toroidal viscosity in rippled tokamaks

  M. Honda; S. Satake; Y. Suzuki; G. Matsunaga; K. Shinohara; M. Yoshida; A. Matsuyama; S. Ide; H. Urano

  NUCLEAR FUSION, Nov. 2014, Peer-reviewed

  
• Simulation Study of Nonlocal Transport from Edge to Core in Tokamak Plasmas

  M. Yagi; A. Matsuyama; N. Miyato; T. Takizuka

  CONTRIBUTIONS TO PLASMA PHYSICS, Jun. 2014, Peer-reviewed

  
• Stochastic Transport of Runaway Electrons due to Low-Order Perturbations in Tokamak Disruption

  Akinobu Matsuyama; Masatoshi Yagi; Yasuhiro Kagei

  Proceedings of the 12th Asia Pacific Physics Conference (APPC12), 26 Mar. 2014, Peer-reviewed

  
• Local gyrokinetic vlasov simulations with realistic tokamak MHD equilibria

  Motoki Nakata; Akinobu Matsuyama; Nobuyuki Aiba; Shinya Maeyama; Masanori Nunami; Tomo-Hiko Watanabe

  Plasma and Fusion Research, 2014, Peer-reviewed

  
• Simulation study on nonlocal transport for peripheral density source

  Masatoshi Yagi; Naoaki Miyato; Akinobu Matsuyama; Tomonori Takizuka

  Plasma and Fusion Research, 2014, Peer-reviewed

  
• Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device

  O. Kaneko; H. Yamada; S. Inagaki; M. Jakubowski; S. Kajita; S. Kitajima; Kobayashi; K. Koga; T. Morisaki; S. Morita; T. Mutoh; S. Sakakibara; Y. Suzuki; H. Takahashi; K. Tanaka; K. Toi; Y. Yoshimura; T. Akiyama; Y. Asahi; N. Ashikawa; H. Chikaraishi; A. Cooper; D. S. Darrow; E. Drapiko; P. Drewelow; X. Du; A. Ejiri; M. Emoto; T. Evans; N. Ezumi; K. Fujii; T. Fukuda; H. Funaba; M. Furukawa; D. A. Gates; M. Goto; T. Goto; W. Guttenfelder; S. Hamaguchi; M. Hasuo; T. Hino; Y. Hirooka; K. Ichiguchi; K. Ida; H. Idei; T. Ido; H. Igami; K. Ikeda; S. Imagawa; T. Imai; M. Isobe; M. Itagaki; T. Ito; K. Itoh; S. Itoh; A. Iwamoto; K. Kamiya; T. Kariya; H. Kasahara; N. Kasuya; D. Kato; T. Kato; K. Kawahata; F. Koike; S. Kubo; R. Kumazawa; D. Kuwahara; S. Lazerson; H. Lee; S. Masuzaki; S. Matsuoka; H. Matsuura; A. Matsuyama; C. Michael; D. Mikkelsen; O. Mitarai; T. Mito; J. Miyazawa; G. Motojima; K. Mukai; A. Murakami; I. Murakami; S. Murakami; T. Muroga; S. Muto; K. Nagaoka; K. Nagasaki; Y. Nagayama; N. Nakajima; H. Nakamura; Y. Nakamura; H. Nakanishi; H. Nakano; T. Nakano; K. Narihara; Y. Narushima; K. Nishimura; S. Nishimura; M. Nishiura; Y. M. Nunami; T. Obana; K. Ogawa; S. Ohdachi; N. Ohno; N. Ohyabu; T. Oishi; M. Okamoto; A. Okamoto; M. Osakabe; Y. Oya; T. Ozaki; N. Pablant; B. J. Peterson; A. Sagara; K. Saito; R. Sakamoto; H. Sakaue; M. Sasao; K. Sato; M. Sato; K. Sawada; R. Seki; T. Seki; V. Sergeev; S. Sharapov; I. Sharov; A. Shimizu; T. Shimozuma; M. Shiratani; M. Shoji; S. Sudo; H. Sugama; C. Suzuki; K. Takahata; Y. Takeiri; Y. Takemura; M. Takeuchi; H. Tamura; N. Tamura; H. Tanaka; T. Tanaka; M. Tingfeng; Y. Todo; M. Tokitani; K. Tokunaga; T. Tokuzawa; H. Tsuchiya; K. Tsumori; Y. Ueda; L. Vyacheslavov; K. Y. Watanabe; T. Watanabe; T. H. Watanabe; B. Wieland; I. Yamada; S. Yamada; S. Yamamoto; N. Yanagi; R. Yasuhara; M. Yokoyama; N. Yoshida; S. Yoshimura; T. Yoshinaga; M. Yoshinuma; A. Komori

  NUCLEAR FUSION, Oct. 2013, Peer-reviewed

  
• Relativistic Guiding-Center Equations Including Slow Equilibrium Changes in Magnetic Coordinates

  MATSUYAMA Akinobu; YAGI Masatoshi

  Plasma and Fusion Research, 2013, Peer-reviewed

  
• Modelling of the pellet deposition profile and del B-induced drift displacement in non-axisymmetric configurations

  A. Matsuyama; F. Koechl; B. Pegourie; R. Sakamoto; G. Motojima; H. Yamada

  NUCLEAR FUSION, Dec. 2012, Peer-reviewed

  
• Imaging spectroscopy diagnosis of internal electron temperature and density distributions of plasma cloud surrounding hydrogen pellet in the Large Helical Device

  G. Motojima; R. Sakamoto; M. Goto; A. Matsuyama; J. S. Mishra; H. Yamada

  REVIEW OF SCIENTIFIC INSTRUMENTS, Sep. 2012, Peer-reviewed

  
• Over-ablation and deflection of hydrogen pellets injected into neutral beam injection heated plasmas in the Large Helical Device

  A. Matsuyama; B. Pegourie; R. Sakamoto; J. S. Mishra; G. Motojima; H. Yamada

  PLASMA PHYSICS AND CONTROLLED FUSION, Mar. 2012, Peer-reviewed

  
• Modeling of drift displacement of the pellet ablated material for outboard side injection in large helical device

  Akinobu Matsuyama; Florian Koechl; Bernard Pégourié; Ryuichi Sakamoto; Gen Motojima; Hiroshi Yamada

  Plasma and Fusion Research, 2012, Peer-reviewed

  
• Observation of three-dimensional motion of the pellet ablatant in the Large Helical Device

  J. S. Mishra; R. Sakamoto; A. Matsuyama; G. Motojima; H. Yamada

  NUCLEAR FUSION, Aug. 2011, Peer-reviewed

  
• Design and performance of a punch mechanism based pellet injector for alternative injection in the large helical device

  J. S. Mishra; R. Sakamoto; G. Motojima; A. Matsuyama; H. Yamada

  REVIEW OF SCIENTIFIC INSTRUMENTS, Feb. 2011, Peer-reviewed

  
• A Monte-Carlo-Based Calculation of Neoclassical Flows and Viscosity for Nonaxisymmetric Toroidal Plasmas

  A. Matsuyama; K. Hanatani; K. Y. Watanabe; N. Nakajima

  CONTRIBUTIONS TO PLASMA PHYSICS, Aug. 2010, Peer-reviewed

  
• Monte Carlo calculation of the neoclassical transport matrix by the Einstein-Helfand relation in nonaxisymmetric toroidal plasmas

  A. Matsuyama; K. Hanatani

  PHYSICS OF PLASMAS, Mar. 2010, Peer-reviewed

  
• A δf Drift-Kinetic Simulation for Off-Diagonal Neoclassical Transport Coefficients in Quasi-Symmetric Toroidal Configurations

  MATSUYAMA Akinobu; HANATANI Kiyoshi

  Plasma and Fusion Research, 2010, Peer-reviewed

  
• Physics of Heliotron J Confinement

  SANO Fumimichi; KONOSHIMA Shigeru; OHSHIMA Shinsuke; TAKEUCHI Masaki; IJIRI Yoshiyuki; YAGUCHI Keiji; SENJU Tohru; SHIBANO Masashi; TOHSHI Kiyoshi; SAKAMOTO Kinzou; MATSUYAMA Akinobu; MIZUUCHI Tohru; MUKAI Kiyofumi; MINAMI Keishi; KISHI Shintarou; LEE Hyunyong; TAKABATAKE Yu; YASHIRO Hiroaki; YAMAMOTO Kento; NOMURA Kohta; SUWA Masashige; YOSHINO Hayao; NAGASAKI Kazunobu; MURAKAMI Sadayoshi; MUTOH Takashi; TAKEIRI Yasuhiko; NAGAOKA Kenichi; OKAMURA Shoichi; WATANABE Kiyomasa Y.; YOKOYAMA Masayuki; SUZUKI Yasuhiro; YOSHIMURA Yasuo; NISHIMURA Shin; HANATANI Kiyoshi; TAMURA Naoki; SAKAKIBARA Satoru; MOTOJIMA Gen; NISHINO Nobuhiro; FUKUDA Takeshi; NAKASHIMA Yousuke; FENG Zhen; YANG Qingwei; FERNÁ NDEZ Angela; CAPPA Alvaro; OKADA Hiroyuki; TRIBALDOS Victor; BLACKWELL Boyd D.; CHECHKIN Viktor V.; NAKAMURA Yuji; MINAMI Takashi; KOBAYASHI Shinji; YAMAMOTO Satoshi

  Plasma and Fusion Research, 2010, Peer-reviewed

  
• Moment approach to the bootstrap current in nonaxisymmetric toroidal plasmas using delta f Monte Carlo methods

  A. Matsuyama; M. Yu. Isaev; K. Y. Watanabe; K. Hanatani; Y. Suzuki; N. Nakajima; W. A. Cooper; T. M. Tran

  PHYSICS OF PLASMAS, May 2009, Peer-reviewed

  
• Configuration control studies in heliotron J

  T. Mizuuchi; S. Kobayashi; S. Yamamoto; H. Okada; K. Nagasaki; G. Motojima; S. Watanabe; H. Arimoto; K. Murai; F. Hamagami; D. Katayama; H. Matsuoka; A. Nakajima; H. Takahashi; H. Yasuda; K. Mukai; A. Matsuyama; Y. Kowada; K. Hosaka; S. Mihara; N. Nishino; T. Minami; Y. Nakashima; Y. Suzuki; S. Murakami; K. Watanabe; M. Yokoyama; Y. Nakamura; K. Hanatani; K. Kondo; S. Okamura; F. Sano

  PLASMA AND FUSION SCIENCE, 2008, Peer-reviewed

  

Misc.

• 「地上の太陽」を制御する - 突発現象(ディスラプション)のシミュレーション

  松山 顕之

  日本シミュレーション学会誌, Dec. 2022, Invited, Lead author

  
• Theory & Modeling activities in support of the ITER Disruption Mitigation System

  E.NARDON; A.MATSUYAMA; M.LEHNEN

  May 2021

  
• Requirements for Runaway Electron Avoidance in ITER Disruption Mitigation Scenario by Shattered Pellet Injection

  A. MATSUYAMA; E. NARDON; M. HONDA; T. SHIROTO; M. LEHNEN

  Proceedings of 28th IAEA Fusion Energy Conference, May 2021, Lead author

  
• Present Status of Theory and Modeling Towards Runaway Electron Avoidance During Tokamak Disruptions

  Akinobu Matsuyama

  Journal of Plasma and Fusion Research, 25 Dec. 2019, Lead author

  
• 小特集統合コードによる磁場閉じ込め核融合プラズマシミュレーションの現状と今後の展望： ２．統合コードを構成する物理モジュール群

  村上定義; 本多充; 相羽信行; 松山顕之; 林伸彦; 星野一生; 藤田隆明; 福山淳; 横山雅之

  プラズマ・核融合学会誌, Sep. 2019, Invited

  
• Development of physics and engineering designs for japan’s demo concept

  坂本 宜照; 飛田 健次; 朝倉 伸幸; 日渡 良爾; 染谷 洋二; 宇藤 裕康; 徳永 晋介; 本間 裕貴; 三善 悠矢; 相羽 信行; 松山 顕之

  Proceedings of the 27th IAEA Fusion Energy Conference, Oct. 2018

  
• R&D for reliable disruption mitigation in ITER

  M. Lehnen; D. J. Campbell; D. Hu; U. Kruezi; T. C. Luce; S. Maruyama; J. A. Snipes; R. Sweeney; N. W. Eidietis; A. Matsuyama; E. Nardon

  Proceedings of the 27th IAEA Fusion Energy Conference, Ahmedabad, Oct. 2018

  
• Self-consistent runaway beam formation in 3D magnetic fields during radiation-driven disruptions

  A. Matsuyama; N. Aiba; A. Isayama; M. Yagi

  Proceedings of the 27th IAEA Fusion Energy Conference, Oct. 2018, Lead author

  
• Simulation of synchrotron radiation damping of runaway electrons in tokamak magnetic fields

  Matsuyama Akinobu; Furukawa Masaru

  Meeting Abstracts of the Physical Society of Japan, 2018

  
• Simulation study of interaction between runaway electron generation and resistive MHD modes over avalanche timescale

  A. Matsuyama; N. Aiba; M. Yagi

  Proceedings of 26th IAEA Fusion Energy Conference, Oct. 2016

  
• Chaos in Runaway Electron Motion

  MATSUYAMA Akinobu

  プラズマ・核融合学会誌, Mar. 2015

  
• Simulation of Energy-Dependent Stochastic Transport Induced by Low-order MHD Instabilities for Runaway Electron Mitigation

  Proceedings of 25th IAEA Fusion Energy Conference, Oct. 2014

  
• Modelling of pellet ablation and homogenization for outboard side injection in the Large Helical Device

  A. Matsuyama; F. Kochl; B. Pégourié; R. Sakamoto; R. Sakamoto; G. Motojima; J. S. Mishra; H. Yamada; H. Yamada

  38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts, 01 Dec. 2011

  
• Calculation of neoclassical diffusion and viscosity coefficients for stellarator/heliotron devices by the Green-Kubo approach

  A. Matsuyama; K. Hanatani

  36th EPS Conference on Plasma Physics 2009, EPS 2009 - Europhysics Conference Abstracts, 01 Dec. 2009

  

Presentations

• Mixed hydrogen-neon pellet injection in toroidal plasmas – theory and observation

  Akinobu Matsuyama

  7th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2023), 14 Nov. 2023, Invited

  
• 固体水素ペレットと環状磁化プラズマの相互作用の物理

  松山顕之

  日本物理学会第78回年次大会, 17 Sep. 2023, Invited

  
• ITER ディスラプション緩和装置開発に向けたプラズマ物理研究の進展

  松山顕之

  第 39 回プラズマ・核融合学会年会, 22 Nov. 2022, Invited

  
• Cryogenic Pellet Ablation Physics and Integrated Modelling of Shattered Pellet Injection

  A. Matsuyama

  2nd IAEA Technical Meeting on Plasma Disruptions and their Mitigation, 21 Jul. 2022, Invited

  
• Ablation and assimilation of massively injected cryogenic pellets in tokamak plasmas

  A. Matsuyama

  AAPPS-DPP (5th Asia Pacific Conference on Plasma Physics), 26 Sep. 2021, Invited

  
• トカマクプラズマの生成・消滅時の高速電子発生の運動論

  松山 顕之

  日本物理学会2020年秋季大会, 09 Sep. 2020

  
• ITER SPI Modeling for Runaway Electron Avoidance

  Akinobu Matsuyama; Eric Nardon; Mitsuru Honda; Michael Lehnen

  8th Runaway Electron Modeling (REM) Meeting, 16 Jan. 2020

  
• トカマク放電のメジャーディスラプションにおける相対論的電子ビーム形成

  松山顕之

  日本物理学会第74回年次大会, 14 Mar. 2019, Invited

  
• トカマクにおける垂直移動現象の緩和

  松山 顕之; Herve Dutrieux; 宮本斉児; 相羽信行

  第35回プラズマ・核融合学会年会, 04 Dec. 2018

  
• Self-consistent runaway beam formation in 3D magnetic fields during radiation driven disruptions

  松山 顕之; 相羽 信行; 諌山 明彦; 矢木 雅敏

  27th IAEA Fusion Energy Conference, TH/4-2, Oct. 2018

  
• トカマクディスラプションの理論・シミュレーション研究の進展

  松山顕之

  プラズマシミュレータシンポジウム2018, 13 Sep. 2018, Invited

  
• Recent developments in runaway electron simulations for tokamak disruptions - fluid and kinetic modeling to overcome the scale gap issue

  A. Matsuyama; M. yagi

  19th International Congress on Plasma Physics (ICPP2018), 07 Jun. 2018, Invited

  
• Simulation of synchrotron radiation damping of runaway electrons in tokamak magnetic fields

  Matsuyama Akinobu; Furukawa Masaru

  Meeting Abstracts of the Physical Society of Japan, 2018, The Physical Society of Japan

  
• Runaway beam formation in tokamaks with resistive MHD instabilities

  A. Matsuyama

  The 26th International Toki Conference (ITC-26) / The 11th Asia Plasma and Fusion Association Conference, 06 Dec. 2017, Invited

  
• Kinetic-MHD hybrid simulations of runaway electron physics in tokamak disruptions

  A. Matsuyama; N. Aiba; M. Yagi

  Joint 13th Asia-Pacific Physics Conference and 22nd Australian Institute of Physics Congress, 06 Dec. 2016, Invited

  
• トカマクディスラプションにおける逃走電子の物理モデリングの進展

  松山顕之

  プラズマ・核融合学会第33回年会, 02 Dec. 2016, Invited

  

Awards

• 31 Aug. 2022

  吉川允二記念核融合エネルギー奨励賞(優秀賞)(核融合エネルギーフォーラム)
• 25 Nov. 2011

  2011年度若手優秀発表賞(プラズマ・核融合学会)

External funds: Kakenhi

• Exploitation of helical plasma experiments for quantitative study of fast tokamak shutdown scenario

  Grant-in-Aid for Scientific Research (B)

  Basic Section 14020:Nuclear fusion-related

  Kyoto University;National Institutes for Quantum Science and Technology

  Akinobu Matsuyama

  From 01 Apr. 2021, To 31 Mar. 2024, Project Closed

  核融合プラズマ;ITER;ディスラプション;ペレット入射;粉砕;MHD;逃走電子;ペレット粉砕入射;溶発

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H01070/
• Integrated numerical experiment of runaway electron mitigationi by massive impurity injection

  Grant-in-Aid for Young Scientists (B)

  National Institutes for Quantum and Radiological Science and Technology

  Akinobu Matsuyama

  From 01 Apr. 2017, To 31 Mar. 2021, Project Closed

  逃走電子;トカマク;ディスラプション;ITER;MHD;溶発;粉砕;輻射;シミュレーション;構造保存;シンクロトロン放射;ミチゲーション

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K14904/
• Theoretical and numerical analyses for suppressing or mitigating edge localized mode in DEMO

  Grant-in-Aid for Scientific Research (C)

  National Institutes for Quantum and Radiological Science and Technology;Japan Atomic Energy Agency

  Nobuyuki Aiba

  From 01 Apr. 2015, To 31 Mar. 2018, Project Closed

  エッジローカライズモード;拡張MHDモデル;トカマク;磁場閉じ込め核融合;トカマクプラズマ;MHD安定性;ELM

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15K06656/
• Study of nonlinear mechanism of tokamak disruptions during runaway electron generation and avalanche

  Grant-in-Aid for Young Scientists (B)

  National Institutes for Quantum and Radiological Science and Technology;Japan Atomic Energy Agency

  Akinobu Matsuyama

  From 01 Apr. 2014, To 31 Mar. 2017, Project Closed

  トカマク;ITER;MHD;ディスラプション;逃走電子;不純物;VDE;シミュレーション

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26820404/
• Research of explosive MHD phenomena in open boundary plasma

  Grant-in-Aid for Scientific Research (C)

  Japan Atomic Energy Agency

  Yasutomo Ishii

  From 28 Apr. 2011, To 31 Mar. 2016, Project Closed

  核融合;トカマク;プラズマ;非線形応答;磁気再結合;非局所応答;ディスラプション;電磁流体力学;MHD;外部揺動;multi scale;突発現象;電磁流体現象;非線形;新古典効果;外部搖動;外部駆動磁気島;突発的成長;非共鳴

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23561009/
• Integrated Research on Disruption Physics in ITER Plasmas

  Grant-in-Aid for Scientific Research (A)

  Japan Atomic Energy Agency

  MASATOSHI YAGI

  From 01 Apr. 2011, To 31 Mar. 2015, Project Closed

  ディスラプション;逃走電子;ITER;IFERC-CSC;ミチゲーション

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23246163/
• Modeling of particle fueling process by hydrogen pellet injection and its experimental validation

  Grant-in-Aid for Research Activity Start-up

  National Institute for Fusion Science

  Akinobu MATSUYAMA

  From 01 Apr. 2010, To 31 Mar. 2012, Project Closed

  プラズマ・核融合;プラズマ理論;ペレット入射;プラズマ加熱;MHD;核融合プラズマ;磁場閉じ込め;ペレット溶発;高速イオン;E×Bドリフト;固体水素

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22860075/
• Validating Virtual Disruptions and Exploring Proximity Control in Tokamak Plasmas

  Grant-in-Aid for Scientific Research (B)

  Basic Section 14020:Nuclear fusion-related

  Kyoto University

  松山 顕之

  From 01 Apr. 2025, To 31 Mar. 2029, Granted

  核融合プラズマ;ディスラプション;ITER;最適制御;MHD

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25K00982/
• 多目的最適化と統計的機械学習のハイブリッドによる核融合炉プラズマ予測の加速

  Grant-in-Aid for Scientific Research (B)

  Basic Section 14020:Nuclear fusion-related

  Kyoto University

  本多 充

  From 01 Apr. 2025, To 31 Mar. 2029, Granted

  統計的機械学習;多目的最適化;核融合炉プラズマ;運転シナリオ開発

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25K00981/

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Advanced Practice of Electrical and Electronic Engineering

  6202, Fall, Faculty of Engineering, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Fundamental Physics B

  N226, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Plasma Particle Kinetic Theory

  3624, Spring, Graduate School of Energy Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Fundamental Energy Science

  3211, Spring, Graduate School of Energy Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Advanced Practice of Electrical and Electronic Engineering

  6202, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Fundamental Energy Science

  3211, Spring, Graduate School of Energy Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Plasma Particle Kinetic Theory

  3624, Fall, Graduate School of Energy Science, 2

Administration

Faculty management (title, position)

• From 01 Apr. 2024, To 31 Mar. 2025

  教育研究委員会委員

Academic, Social Contribution

Committee Memberships

• From Oct. 2023, To Present

  領域2役員, 日本物理学会
• From Sep. 2023, To Present

  ITERサイエンティストフェロー
• From Nov. 2022, To Jul. 2023

  ITER サイエンティストフェロー
• From Apr. 2021, To Present

  ITPA MHD, DISRUPTIONS & CONTROL TOPICAL GROUP 委員
• From Jun. 2019, To May 2022

  ITERサイエンティストフェロー
• From Jan. 2019, To Mar. 2021

  Expert, ITPA MHD, DISRUPTIONS & CONTROL TOPICAL GROUP