List of Research Output | FY 2020

Papers, peer-reviewed conference proceedings etc.

【Computer Science Research and Development Office】

＜Research papers＞

Inagaki Atsushi, Wangsaputra Yovita., Kanda Manabu, Yücel Meral, Onodera Naoyuki, Aoki Takayuki,

"Inner and outer-layer similarity of the turbulence intensity profile over a realistic urban geometry",

SOLA (Scientific Online Letters on the Atmosphere) (Internet), Vol.16, pp.120-124 (2020).

Kawai Chika, Idomura Yasuhiro, Ogawa Yuichi, Yamada Hiroshi,

"Self-organization of zonal flows and isotropic eddies in toroidal electron temperature gradient driven turbulence",

Physics of Plasmas, Vol.27, No.8, pp.082302_1-082302_11 (2020).

Onodera Naoyuki, Idomura Yasuhiro, Uesawa Shinichiro, Yamashita Susumu, Yoshida Hiroyuki,

"Locally mesh-refined lattice Boltzmann method for fuel debris air cooling analysis on GPU supercomputer",

Mechanical Engineering Journal (Internet), Vol.7, No.3, pp.19-00531_1-19-00531_10 (2020).

Asahi Yuichi, Latu Guillaume, Bigot Julien, Maeyama Shinya, Grandgirard Virginie, Idomura Yasuhiro,

"Overlapping communications in gyrokinetic codes on accelerator-based platforms",

Concurrency and Computation; Practice and Experience, Vol.32, No.5, pp.e5551_1-e5551_21 (2020).

Kawamura Takuma, Idomura Yasuhiro,

"Improvement in interactive remote in situ visualization using SIMD-aware function parser and asynchronous data I/O",

Journal of Visualization, Vol.23, No.4, pp.695-706 (2020).

Matsumoto Kazuya, Idomura Yasuhiro, Ina Takuya, Mayumi Akie, Yamada Susumu,

"Implementation and performance evaluation of a communication-avoiding GMRES method for stencil-based code on GPU cluster",

Journal of Supercomputing, Vol.75, No.12, pp.8115-8146 (2019).

Sun Dajie, Wainwright Haruko M., Oroza Carlos A., Seki Akiyuki, Mikami Satoshi, Takemiya Hiroshi, Saito Kimiaki,

"Optimizing long-term monitoring of radiation air-dose rates after the Fukushima Daiichi Nuclear Power Plant",

Journal of Environmental Radioactivity, Vol.220-221, pp.106281_1-106281_8 (2020).

Ohashi Kunihide, Hino Takanori, Kobayashi Hiroshi, Onodera Naoyuki, Sakamoto Nobuaki,

"Development of a structured overset Navier-Stokes solver with a moving grid and full multigrid method",

Journal of Marine Science and Technology, Vol.24, No.3, pp.884-901 (2019).

Idomura Yasuhiro, Obrejan Kevin, Asahi Yuichi, Honda Mitsuru,

"Dynamics of enhanced neoclassical particle transport of tracer impurity ions in ion temperature gradient driven turbulence",

Physics of Plasmas, Vol.28, No.1, pp.012501_1-012501_11 (2021).

＜Peer-reviewed conference proceedings＞

Seki Akiyuki, Mayumi Akie, Murakami Haruko, Saito Kimiaki, Takemiya Hiroshi, Idomura Yasuhiro,

"Estimation of air dose rate using measurement results of monitoring posts in Fukushima Prefecture",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.158-164 (2020).

Idomura Yasuhiro, Ali Yussuf, Onodera Naoyuki, Ina Takuya, Imamura Toshiyuki,

"Communication-avoiding Krylov solvers for extreme scale nuclear CFD simulations",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.225-230 (2020).

Hasegawa Yuta, Onodera Naoyuki, Idomura Yasuhiro,

"Ensemble wind simulations using a mesh-refined lattice Boltzmann method on GPU-accelerated systems",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.236-242 (2020).

Idomura Yasuhiro, Ina Takuya, Ali Yussuf., Imamura Toshiyuki,

"Acceleration of fusion plasma turbulence simulations using the mixed-precision communication-avoiding Krylov method",

Proceedings of International Conference on High Performance Computing, Networking, Storage, and Analysis (SC 2020) (Internet), "International Conference on High Performance Computing, Networking, Storage, and Analysis (SC 2020)", pp.1318-1330 (2020).

Donnel Peter, Garbet Xavier, Sarazin Yanick, Asahi Yuichi, Wilczynski Fryderyk, Caschera Elisabett, Dif-Pradalier Guilhem, Ghendrih Phillppe, Gillot Camille,

"Turbulent generation of poloidal asymmetries of the electric potential in a tokamak",

Plasma Physics and Controlled Fusion, "45th European Physical Society Conference on Plasma Physics (EPS 2018)", Vol.61, No.1, pp.014003_1-014003_11 (2019).

Kawamura Takuma, Hasegawa Yuta, Idomura Yasuhiro,

"Interactive In-situ Steering and Visualization of GPU-accelerated simulations using Particle-based Volume Rendering",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.187-192 (2020).

Yano Midori, Itoh Takayuki, Tanaka Yuusuke, Matsuoka Daisuke, Araki Fumiaki, Czauderna Tobias, Stephens Kingsley,

"Image-Based View Selection for Shape Comparison of Mode Water Regions in Virtual Reality Space",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.201-208 (2020).

Tabata Ginga, Sakamoto Naohisa, Kawamura Takuma,

"Intuitive interactions for immersive data exploring of numerical simulation results",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.193-200 (2020).

Asahi Yuuichi, Latu Guillaume, Bigot Julien, Grandgirard Virginie,

"Performance portable implementation of a kinetic plasma simulation mini- app with a higher level abstraction and directives",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.218-224 (2020).

Onodera Naoyuki, Idomura Yasuhiro, Ali Yussuf, Yamashita Susumu, Shimokawabe Takashi, Aoki Takayuki,

"GPU-acceleration of locally mesh allocated two phase flow solver for nuclear reactors",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.210-215 (2020).

Onodera Naoyuki, Idomura Yasuhiro, Hasegawa Yuta, Yamashita Susumu, Shimokawabe Takashi, Aoki Takayuki,

"GPU acceleration of multigrid preconditioned conjugate gradient solver on block-structured cartesian grid",

Proceedings of International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2021) (Internet), "International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2021)", pp.120-128 (2021).

【Simulation Technology Research and Development Office】

＜Research papers＞

Bendo Artenis, Matsuda Kenji, Lervik Adrian, Tsuru Tomohito, Nishimura Katsuhiko, Nunomura Norio, Holmestad Randi, Marioara Calin Daniel, Shimizu Kazuyuki, Toda Hiroyuki, Yamaguchi Masatake,

"An Unreported precipitate orientation relationship in Al-Zn-Mg based alloys",

Materials Caracterization, Vol.158, pp.109958_1-109958_7 (2019).

Kheirkhah Majid, Yan Zhongbo, Nagai Yuki, Marsiglio Frank,

"First- and second-order topological superconductivity and temperature-driven topological phase transitions in the extended Hubbard model with spin-orbit coupling",

Physical Review Letters, Vol.125, No.1, pp.017001_1-017001_8 (2020).

Suzudo Tomoaki, Takamizawa Hisashi, Nishiyama Yutaka, Caro Alfredo, Toyama Takeshi, Nagai Yasuyoshi,

"Atomistic modeling of hardening in spinodally-decomposed Fe-Cr binary alloys",

Journal of Nuclear Materials, Vol.540, pp.152306_1-152306_10 (2020).

Nagasawa Makoto, Qin Hai-Bo, Yamaguchi Akiko, Takahashi Yoshio,

"Local structure of rare earth elements (REE) in marine ferromanganese oxides by extended X-ray absorption fine structure and its comparison with REE in ion-adsorption type deposits",

Chemistry Letters, Vol.49, No.8, pp.909-911 (2020).

Du Yufeng, Yoshida Kenta, Shimada Yusuke, Toyama Takeshi, Inoue Koji, Arakawa Kazuto, Suzudo Tomoaki, Milan Konstantinovic J., Gerard Robert, Onuki Somei, Nagai Yasuyoshi,

"In situ WB-STEM observation of dislocation loop behavior in reactor pressure vessel steel during post-irradiation annealing",

Materialia, Vol.12, pp.100778_1-100778_10 (2020).

Ito Etsuko, Nagai Yuki,

"Sparse modeling approach to obtaining the shear viscosity from smeared correlation functions",

Journal of High Energy Physics (Internet), Vol.2020, No.7, pp.7_1-7_31 (2020).

Nagai Yuki, Okumura Masahiko, Kobayashi Keita, Shiga Motoyuki,

"Self-learning hybrid Monte Carlo; A First-principles approach",

Physical Review B, Vol.102, No.4, pp.041124_1-041124_6 (2020).

Kheirkhah Majid, Nagai Yuki, Chen Chun, Marsiglio Frank,

"Majorana corner flat bands in two-dimensional second-order topological superconductors",

Physical Review B, Vol.101, No.10, pp.104502_1-104502_9 (2020).

Nagai Yuki, Okumura Masahiko, Tanaka Akinori,

"Self-learning Monte Carlo method with Behler-Parrinello neural networks",

Physical Review B, Vol.101, No.11, pp.115111_1-115111_12 (2020).

Yan Lei, Yamamoto Yoshiyuki, Shiga Motoyuki, Sugino Osamu,

"Nuclear quantum effect for hydrogen adsorption on Pt(111)",

Physical Review B, Vol.101, No.16, pp.165414_1-165414_9 (2020).

Yamaguchi Masatake, Tsuru Tomohito, Ebihara Kenichi, Itakura Mitsuhiro, Matsuda Kenji, Shimizu Kazuyuki, Toda Hiroyuki,

"Hydrogen trapping in Mg₂Si and Al₇FeCu₂ intermetallic compounds in aluminum alloy; First-principles calculations",

Materials Transactions, Vol.61, No.10, pp.1907-1911 (2020).

Matsuda Kenji, Yasumoto Toru, Bendo Artenis, Tsuchiya Taiki, Lee Seungwon, Nishimura Katsuhiko, Nunomura Norio, Marioara Calin D., Lervik Adrian, Holmestad Randi, Toda Hiroyuki, Yamaguchi Masatake, Ikeda Kenichi, Homma Tomoyuki, Ikeno Susumu,

"Effect of copper addition on precipitation behavior near grain boundary in Al-Zn-Mg alloy",

Materials Transactions, Vol.60, No.8, pp.1688-1696 (2019).

Suzudo Tomoaki, Ebihara Kenichi, Tsuru Tomohito,

"Brittle-fracture simulations of curved cleavage cracks in α-iron; A Molecular dynamics study",

AIP-Advances, Vol.10, No.11, pp.115209_1-115209_8 (2020).

Kobayashi Keita, Nakamura Hiroki, Yamaguchi Akiko, Itakura Mitsuhiro, Machida Masahiko, Okumura Masahiko,

"Machine learning potentials for tobermorite minerals",

Computational Materials Science, Vol.188, pp.110173_1-110173_14 (2021).

Malins Alex, Imamura Naohiro, Niizato Tadafumi, Takahashi Junko, Kim M., Sakuma Kazuyuki, Shinomiya Yoshiki, Miura Satoru, Machida Masahiko,

"Calculations for ambient dose equivalent rates in nine forests in eastern Japan from ¹³⁴Cs and ¹³⁷Cs radioactivity measurements",

Journal of Environmental Radioactivity, Vol.226, pp.106456_1-106456_12 (2021).

Ebihara Kenichi, Sugiyama Yuri, Matsumoto Ryosuke, Takai Kenichi, Suzudo Tomoaki,

"Numerical interpretation of hydrogen thermal desorption spectra for iron with hydrogen-enhanced strain-induced vacancies",

Metallurgical and Materials Transactions A, Vol.52, No.1, pp.257-269 (2021).

Itakura Mitsuhiro, Yamaguchi Masatake, Egusa Daisuke, Abe Eiji,

"Density functional theory study of solute cluster growth processes in Mg-Y-Zn LPSO alloys",

Acta Materialia, Vol.203, pp.116491_1-116491_9 (2021).

Nagai Yuki, Qi Yang, Isobe Hiroki, Kozii Vladyslav, Fu Llang,

"DMFT reveals the non-Hermitian topology and Fermi arcs in heavy-fermion systems",

Physical Review Letters, Vol.125, No.22, pp.227204_1-227204_7 (2020).

Saito Shimpei, De Rosis Alessandro, Fei Linlin, Luo Kai Hong, Ebihara Kenichi, Kaneko Akiko, Abe Yutaka,

"Lattice Boltzmann modeling and simulation of forced-convection boiling on a cylinder",

Physics of Fluids, Vol.33, No.2, pp.023307_1-023307_21 (2021).

Shinaoka Hiroshi, Nagai Yuki,

"Sparse modeling of large-scale quantum impurity models with low symmetries",

Physical Review B, Vol.103, No.4, pp.045120_1-045120_8 (2021).

＜Peer-reviewed conference proceedings＞

Yamada Susumu, Machida Masahiko, Imamura Toshiyuki,

"High performance eigenvalue solver for Hubbard model; Tuning strategies for LOBPCG method on CUDA GPU",

Parallel Computing; Technology Trends, "International Conference on Parallel Computing (ParCo 2019)", pp.105-113 (2020).

Yamada Susumu, Machida Masahiko, Kurikami Hiroshi,

"Applications of radiocesium migration models to Fukushima environmental issues: Numerical analysis of radiocesium transport in temperature-stratified reservoirs by 3D-Sea-SPEC",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.140-146 (2020).

Ebihara Kenichi, Suzudo Tomoaki,

"Molecular dynamics study of phosphorus migration in Σ5 grain boundary of α-iron",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.65-69 (2020).

Yamaguchi Akiko, Asano Ikumi, Kitagawa Yuri, Meng C., Nakao Atsushi, Okumura Masahiko,

"Quantitative evaluation of effects of isomorphic substitutions on delamination energies of clay minerals",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.127-130 (2020).

Nakamura Hiroki, Machida Masahiko,

"Machine-learning molecular dynamics study of thermal properties of CaF₂",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.104-108 (2020).

Malins Alex, Ochi Kotaro, Machida Masahiko, Sanada Yukihisa,

"Simulation analysis of the Compton-to-peak method for quantifying radiocesium deposition quantities",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.147-154 (2020).

Suzudo Tomoaki, Onitsuka Takashi, Fukumoto Kenichi

"Analyzing the cross slip motion of screw dislocations at finite temperatures in body-centered-cubic metals; Molecular statics and dynamics studies"

Modelling and Simulation in Materials Science and Engineering, "9th International Conference on Multiscale Materials Modeling (MMM 2018)", Vol.27, No.6, pp.064001_1-064001_15 (2019)

【HPC Technology Promotion Office】

＜Peer-reviewed conference proceedings＞

Suzuki Yoshio, Otani Takayuki, Sakamoto Kensaku, Takakura Masahiro, Kuwabara Yasuhiro,

"JAEA activities related to the use of computer programs and databases in the nuclear field",

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), "Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)", pp.287-294 (2020).

Talks at international and Japanese conferences

【Computer Science Research and Development Office】

＜Talks＞

Idomura Yasuhiro,

"Global full-f Gyrokinetic simulations of isotope scaling in ion temperature gradient driven turbulence",

4th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP 2020), (Online, October 26-31, 2020).

Hasegawa Yuta, Onodera Naoyuki, Idomura Yasuhiro,

"Ensemble simulation for micro-meteorological wind condition using locally-mesh refined lattice Boltzmann method",

3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE 2020), (Kobe (online), Japan, Dec. 8-11, 2020).

Onodera Naoyuki, Idomura Yasuhiro, Asahi Yuichi, Hasegawa Yuta, Shimokawabe Takashi, Aoki Takayuki,

"Multigrid Poisson solver for a block-structured adaptive mesh refinement method on CPU and GPU supercomputers",

3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE 2020), (Kobe (online), Japan, Dec. 8-11, 2020).

Hatayama Sora, Shimokawabe Takashi, Onodera Naoyuki,

"Steady flow prediction across multiple regions using deep learning and boundary exchange",

3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE 2020), (Kobe (online), Japan, Dec. 8-11, 2020).

Asahi Yuichi, Latu G., Bigot Julien, Grandgirard Virginie,

"Accumulating knowledge for a performance portable kinetic plasma simulation code with Kokkos and directives",

IFERC Workshop on GPUs Programming 2020, (Rokkasho (online), Japan, Dec. 16, 2020).

Shimokawabe Takashi, Onodera Naoyuki,

"High-resolution simulations using an AMR framework on GPU supercomputers",

3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE 2020), (Kobe (online), Japan, Dec. 01, 2020).

【Simulation Technology Research and Development Office】

＜Talks＞

Yamada Susumu, Machida Masahiko, Iwata Ayako, Otosaka Shigeyoshi, Kobayashi Takuya, Watanabe Masahisa, Funasaka Hideyuki, Morita Takami,

"Analysis of temporal variations of Cs-137 discharge inventory from the port of Fukushima Daiichi Nuclear Power Plant over 9 years after the accident",

European Geosciences Union General Assembly 2020, (online, May. 4-8, 2020).

Kim Minsik, Malins Alex, Machida Masahiko, Saito Kimiaki, Hasegawa Yukihiro, Yanagi Hideaki,

"Development and application of the 3D Air Dose Rate Evaluation System (3DADRES)",

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC2020), (Chiba, Japan, (online) May. 18-22, 2020).

Yamaguchi Akiko, Asano Ikumi, Kitagawa Yuri, Meng Chenrui, Nakao Atsushi, Okumura Masahiko,

"Quantitative evaluation of effects of isomorphic substitutions on delamination energies of clay minerals",

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), (Chiba, Japan, (online) May. 18-22, 2020).

Yamaguchi Masatake,

"Specificity of liquid metal embrittlement; First-principles calculations",

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), (Chiba, Japan, (online) May. 18-22, 2020).

Suzudo Tomoaki, Fukumoto Kenichi,

"Simulation of slip plane transition from {110} to {112} of body-centered-cubic metals",

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), (Chiba, Japan, (online) May. 18-22, 2020).

Itakura Mitsuhiro,

"Atomistic simulation to estimate liquid surface tension of nuclear materials",

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), (Chiba, Japan, (online) May. 18-22, 2020).

Okumura Masahiko, Kobayashi Keita, Yamaguchi Akiko, Nakamura Hiroki, Itakura Mitsuhiro, Machida Masahiko,

"Machine learning molecular dynamics studies of clay minerals",

30th Goldschmidt Conference (Goldschmidt 2020), (Honolulu (online), U. S. A., Jun. 21-26, 2020).

Suzudo Tomoaki, Ebihara Kenichi, Tsuru Tomohito,

"Cleavage and dislocation emissions in BCC iron; A Molecular dynamics study",

GIMRT Joint International Symposium on Radiation Effects in Materials and Actinide Science (GIMRT-REMAS 2020), (Sendai (online), Japan, Sep.30-Oct.2, 2020).

Yamaguchi Akiko, Okumura Masahiko, Takahashi Yoshio,

"Effects of ionic radius on adsorption structures of hard cations on clay minerals",

57th Annual Meeting of the Clay Minerals Society (CMS 2020), (Richland (online), U. S. A., October 18-23, 2020).

Okumura Masahiko,

"Mechanism of inhomogeneous concentration of Cs in 2:1 clay minerals; Systematic numerical studies",

57th Annual Meeting of the Clay Minerals Society (CMS 2020), (Richland (online), U. S. A., October 18-23, 2020).

【Center for Computational Science & e-Systems】

＜Talks＞

Machida Masahiko, Yamada Susumu,

"Characteristic radiocesium transport in temperature-stratified reservoirs and port areas; Analysis by using a code, 3D-Sea Spec, developed for complex aquatic systems",

European Geosciences Union General Assembly 2020, (online, May. 4-8, 2020).