Susumu Yamada

Profile Information

Affiliation: 研究主幹, システム計算科学センター, 国立研究開発法人日本原子力研究開発機構

Degree: Doctor (Information Science)(Tohoku University)

J-GLOBAL ID: 200901068079185908
researchmap Member ID: 5000058808

Research Interests

Research Areas

Informatics / Software /

Papers

120

Effectiveness of fused LASSO for prediction of distribution of radioactive materials in reactor buildings

Yamada Susumu, Yoshida Toru*, Hasegawa Yukihiro*, Machida Masahiko

Proceedings of Waste Management Symposia 2024 (WM2024) (Internet), 15, Mar, 2024 Peer-reviewed
Estimation of temporal variation of discharged inventory of radioactive strontium $^{90}$Sr ($^{89}$Sr) from port of Fukushima Daiichi Nuclear Power Plant; Analysis of the temporal variation from the accident to March 2022 and evaluation of its impact on Fukushima coast and offshore areas

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

Nihon Genshiryoku Gakkai Wabun Rombunshi (Internet), 22(4) 119-139, Nov, 2023 Peer-reviewed
Inverse estimation scheme of radioactive source distributions inside building rooms based on monitoring air dose rates using LASSO; Theory and demonstration

Shi W.*, Machida Masahiko, Yamada Susumu, Yoshida Toru*, Hasegawa Yukihiro*, Okamoto Koji*

Progress in Nuclear Energy, 162 104792\_1-104792\_19, Aug, 2023 Peer-reviewed
Simulation study on $^{3}$H behavior in the Fukushima coastal region; Comparison of influences of discharges from the Fukushima Daiichi and rivers

Sakuma Kazuyuki, Yamada Susumu, Machida Masahiko, Kurikami Hiroshi, Misono Toshiharu, Nakanishi Takahiro, Iijima Kazuki

Marine Pollution Bulletin, 192 115054\_1-115054\_10, Jul, 2023 Peer-reviewed
Promotive effects of siltfence on deposition of suspended particles; Evaluations of diffusion suppression of radionuclides in rectangular open channel via numerical simulations

Yamada Susumu, Machida Masahiko, Arikawa Taro*

Nihon Genshiryoku Gakkai Wabun Rombunshi (Internet), 22(2) 73-86, Jun, 2023 Peer-reviewed
LASSO reconstruction scheme for radioactive source distributions inside reactor building rooms with spectral information and multi-radionuclide contaminated situations

Shi W.*, Machida Masahiko, Yamada Susumu, Yoshida Toru*, Hasegawa Yukihiro*, Okamoto Koji*

Annals of Nuclear Energy, 184 109686\_1-109686\_12, May, 2023 Peer-reviewed
LASSO reconstruction scheme to predict radioactive source distributions inside reactor building rooms; Practical applications

Machida Masahiko, Shi W.*, Yamada Susumu, Miyamura Hiroko, Yoshida Toru*, Hasegawa Yukihiro*, Okamoto Koji, Aoki Yuto, Ito Rintaro, Yamaguchi Takashi …

Proceedings of Waste Management Symposia 2023 (WM2023) (Internet), 11, Feb, 2023 Peer-reviewed
LASSO reconstruction scheme to predict radioactive source distributions inside reactor building rooms; Theory \& demonstration

Shi W.*, Machida Masahiko, Yamada Susumu, Yoshida Toru*, Hasegawa Yukihiro*, Okamoto Koji*

Proceedings of Waste Management Symposia 2023 (WM2023) (Internet), 8, Feb, 2023 Peer-reviewed
Tritium inventory and its temporal variation in Fukushima Front Sea Area; Comparison between coastal and offshore tritium inventories and 1f treated water and operational target values for discharge per year

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

Nihon Genshiryoku Gakkai Wabun Rombunshi (Internet), 22(1) 12-24, Jan, 2023 Peer-reviewed
A Modeling approach to estimate $^{3}$H discharge from rivers; Comparison of discharge from the Fukushima Dai-ichi and inventory in seawater in the Fukushima coastal region

Sakuma Kazuyuki, Machida Masahiko, Kurikami Hiroshi, Iwata Ayako, Yamada Susumu, Iijima Kazuki

Science of the Total Environment, 806(Part 3) 151344\_1-151344\_8, Feb, 2022 Peer-reviewed
High performance parallel LOBPCG method for large Hamiltonian derived from Hubbard model on multi-GPU systems

Yamada Susumu, Imamura Toshiyuki*, Machida Masahiko

Supercomputing Frontiers, 1-19, Jan, 2022 Peer-reviewed
Three-dimensional modeling for deformation and movement of siltfence in water; Coupled simulation of water flow and siltfence

Yamada Susumu, Machida Masahiko, Tanaka Minori*, Seki Katsumi*, Arikawa Taro*

Nihon Oyo Suri Gakkai Rombunshi, 31(1) 20-43, Mar, 2021 Peer-reviewed
Study on the effect of preventing the spread of pollutants due to double installation of siltfence

Tanaka Minori*, Watabane Masashi*, Machida Masahiko, Yamada Susumu, Enomoto Yota*, Gunji Kota*, Arikawa Taro*

Doboku Gakkai Rombunshu, B2 (Kaigan Kogaku) (Internet), 76(2) I\_103-I\_108, Nov, 2020 Peer-reviewed
Applications of radiocesium migration models to Fukushima environmental issues; Numerical analysis of radiocesium transport in temperature-stratified reservoirs by 3D-Sea-SPEC

Yamada Susumu, Machida Masahiko, Kurikami Hiroshi

Proceedings of Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020), 140-146, Oct, 2020 Peer-reviewed
High Performance Eigenvalue Solver for Hubbard Model: Tuning Strategies for LOBPCG Method on CUDA GPU

Susumu Yamada, Masahiko Machida, Toshiyuki Imamura

Advances in Parallel Computing, 36 105-113, 2020 Peer-reviewedLead author
Implementation and performance evaluation of a communication-avoiding GMRES method for stencil-based code on GPU cluster

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

JOURNAL OF SUPERCOMPUTING, 75(12) 8115-8146, Dec, 2019
Seven-year temporal variation of cesium-137 discharge inventory from the port of Fukushima Dai-ichi nuclear power plant

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

Transactions of the Atomic Energy Society of Japan, 18(4) 226-236, 2019 Peer-reviewed
Design Towards Modern High Performance Numerical la Library Enabling Heterogeneity and Flexible Data Formats

Toshiyuki Imamura, Daichi Mukunoki, Yusuke Hirota, Susumu Yamada, Masahiko Machida

Advances in Parallel Computing, 32 97-106, 2018 Peer-reviewed
High performance LOBPCG method for solving multiple eigenvalues of Hubbard model: Efficiency of communication avoiding neumann expansion preconditioner

Susumu Yamada, Toshiyuki Imamura, Masahiko Machida

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10776 LNCS 243-256, 2018 Peer-reviewed
Application of a preconditioned chebyshev basis communication-avoiding conjugate gradient method to a multiphase thermal-hydraulic CFD code

Yasuhiro Idomura, Takuya Ina, Akie Mayumi, Susumu Yamada, Toshiyuki Imamura

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10776 257-273, 2018 Peer-reviewed

Misc.

R\&D of digital technology on inverse estimation of radioactive source distributions and related source countermeasures; R\&D status of digital platform including 3D-ADRES-indoor

Machida Masahiko, Yamada Susumu, Kim M., Okumura Masahiko, Miyamura Hiroko, Shikaze Yoshiaki, Sato Tomoki*, Numata Yoshiaki*, Tobita Yasuhiro*, Yamaguchi Takashi …

RIST News, (69) 2-18, Sep, 2023
Estimation of temporal variation of tritium inventory discharged from the port of Fukushima Dai-ichi Nuclear Power Plant; Analysis of the temporal variation and comparison with released tritium inventories from Japan and world major nuclear facilities

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

Journal of Nuclear Science and Technology, 60(3) 258-276, Mar, 2023
Estimation of Temporal Variation of Discharged Tritium from Port of Fukushima Dai-ichi Nuclear Power Plant: Analysis of the Temporal Variation and Comparison with released Tritium from Japan and Major Nuclear Facilities Worldwide

町田昌彦, 岩田亜矢子, 山田進, 乙坂重嘉, 小林卓也, 船坂英之, 森田貴己

日本原子力学会和文論文誌, 21(1), 2022
Communication avoiding multigrid preconditioned conjugate gradient method for extreme scale multiphase CFD simulations

Idomura Yasuhiro, Onodera Naoyuki, Yamada Susumu, Yamashita Susumu, Ina Takuya*, Imamura Toshiyuki*

Supa Kompyuteingu Nyusu, 22(5) 18-29, Sep, 2020
Seven-year temporal variation of caesium-137 discharge inventory from the port of Fukushima Daiichi Nuclear Power Plant; Continuous monthly estimation of caesium-137 discharge in the period from April 2011 to June 2018

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

Journal of Nuclear Science and Technology, 57(8) 939-950, Aug, 2020
Eigenvalue solvers for sparse matrices

Yamada Susumu

Koyuchi Keisan To Tokuichi Keisan; Keisan Rikigaku Rekucha Kosu, 77-104, Dec, 2019
Status of Study of Long-term Assessment of Transport of Radioactive Contaminants in the Environment of Fukushima (FY2018)

Nagao, Fumiya, Niizato, Tadafumi, Sasaki, Yoshito, Ito, Satomi, Watanabe, Takayoshi, Dohi, Terumi, Nakanishi, Takahiro, Sakuma, Kazuyuki, Hagiwara, Hiroki, Funaki, Hironori …

JAEA-research, 2019(2) 1-14,1-235, Aug, 2019
原子力分野における機能材料開発に資するマルチスケール・マルチフィジックスシミュレーションの基盤構築

町田昌彦, 山田進, 永井佑紀, 中村博樹, 志賀基之

日本原子力研究開発機構JAEA-Review(Web), (2017-023) 125‐127 (WEB ONLY), Feb, 2018
Communication Avoiding Multigrid Preconditioned Conjugate Gradient Method for Extreme Scale Multiphase CFD Simulations

Idomura Yasuhiro, Ina Takuya, Yamashita Susumu, Onodera Naoyuki, Yamada Susumu, Imamura Toshiyuki

IEEE Conference Proceedings, 2018(ScalA), 2018
ペタスケールシミュレーション技術の開発

井戸村泰宏, 真弓明恵, 伊奈拓也, 山田進

日本原子力研究開発機構JAEA-Review(Web), (2017-023), 2018
プラズマ乱流シミュレーションへのCA-GMRES適用評価

伊奈拓也, 井戸村泰宏, 真弓明恵, 松本和也, 山田進

ハイパフォーマンスコンピューティングと計算科学シンポジウム論文集, (2017) 7-7, May 29, 2017
多相流体コードJUPITERにおける前処理付き省通信CG法ソルバの開発

真弓明恵, 井戸村泰宏, 伊奈拓哉, 山田進, 今村俊幸

日本原子力学会春の年会予稿集(CD-ROM), 2017, 2017
多相流体コードJUPITERにおける前処理付きChebyshev基底CG法ソルバの収束特性評価

真弓明恵, 井戸村泰宏, 伊奈拓哉, 山田進, 今村俊幸

日本原子力学会秋の大会予稿集(CD-ROM), 2017, 2017
Verification of convergence improvement methods for the communication-avoiding generalized minimal residual method on a large scale nuclear fluid code

伊奈拓也, 井戸村泰宏, 真弓明恵, 山田進

情報処理学会研究報告(Web), 2017(HPC-162), 2017
原子力分野における機能材料開発に資するマルチスケール・マルチフィジックスシミュレーションの基盤構築

町田昌彦, 山田進, 永井佑紀, 中村博樹, 小林恵太, 太田幸宏, 志賀基之

日本原子力研究開発機構JAEA-Review(Web), (2016-024) 221‐224 (WEB ONLY), Jan, 2017
多相流体問題への省通信GMRES法の適用性評価

真弓明恵, 井戸村泰宏, 山田進, 伊奈拓也, 山下晋

ハイパフォーマンスコンピューティングと計算科学シンポジウム論文集, (2016) 51-51, May 30, 2016
圧縮対角格納形式の適用による多相流体コードの高速化

伊奈拓也, 井戸村泰宏, 山田進, 真弓明恵, 山下晋

ハイパフォーマンスコンピューティングと計算科学シンポジウム論文集, (2016) 50-50, May 30, 2016
多相流体問題における省通信Krylov部分空間法の性能評価

真弓明恵, 井戸村泰宏, 山田進, 伊奈拓也, 山下晋

日本原子力学会秋の大会予稿集(CD-ROM), 2016, 2016
CUDA-BLAS等の選択による最速GPU固有値ソルバーの性能評価

今村俊幸, 今村俊幸, 椋木大地, 山田進, 山田進, 町田昌彦, 町田昌彦

情報処理学会研究報告(Web), 2015(HPC-148), 2015
FFTを使った時間発展問題における累積誤差

佐々成正, 山田進, 町田昌彦, 椋木大地, 今村俊幸

日本応用数理学会年会講演予稿集(CD-ROM), 2015, 2015

Presentations

214

High performance algorithm for calculating contribution rates for estimating radiation distributions using GPUs

Yamada Susumu, Machida Masahiko

日本原子力学会2024年春の年会
Inverse estimation of radiation source distribution from air dose rates; Introduction of Digital Platform 3D-ADRES-Indoor

Yamada Susumu, Machida Masahiko

6th R-CCS International Symposium (RCCS-IS6)
Performance comparison of LOBPCG method for Hubbard model on the Earth Simulator and modern large-scale computer

Yamada Susumu, Imamura Toshiyuki*, Machida Masahiko

情報処理学会第191回ハイパフォーマンスコンピューティング研究発表会
R\&D project to estimate radioactive source distributions inside reactor building rooms; Overview and key results

Suzuki Masahiro, Machida Masahiko, Yamaguchi Takashi, Miyamura Hiroko, Yamada Susumu, Okamoto Koji, Hasegawa Yukihiro*, Yoshida Toru*, Wei S.*

International Conference on Nuclear Decommissioning; Addressing the Past and Ensuring the Future 2023
Improvement strategy for convergence property of LOBPCG method for solving multiple eigenvalues

Yamada Susumu, Imamura Toshiyuki*, Machida Masahiko

情報処理学会第188回ハイパフォーマンスコンピューティング研究発表会
Fused LASSO for radiation sources estimation

Yamada Susumu, Machida Masahiko

日本原子力学会2023年春の年会
Development of exposure reduction technologies by digitalization of environment and radioactive source distribution, 2; R\&D of engines for radioactive source reconstruction, air dose rate estimation, and their visualization

Machida Masahiko, Shi W.*, Yamada Susumu, Miyamura Hiroko, Numata Yoshiaki*, Sato Tomoki*, Tobita Yasuhiro*, Yoshida Toru*, Yanagi Hideaki*, Furutachi Naoya*, Hasegawa Yukihiro*, Okamoto Koji

日本原子力学会2022年秋の大会
Investigation on distribution of radioactive substances in Fukushima, 8; Improvement of the MERCURY model and its application to the Fukushima

Sakuma Kazuyuki, Machida Masahiko, Yamada Susumu, Kurikami Hiroshi

日本原子力学会2022年秋の大会
Development of exposure reduction technologies by digitalization of environment and radioactive source distribution, 3; LASSO theory and demonstration for inverse estimation on radioactive source distributions

Shi W.*, Machida Masahiko, Yamada Susumu, Yoshida Toru*, Hasegawa Yukihiro*, Okamoto Koji

日本原子力学会2022年秋の大会
Development of exposure reduction technologies by digitalization of environment and radioactive source distribution, 4; Research and development of radiation sources estimation engine; Large scale analysis inside building

Yamada Susumu, Numata Yoshiaki*, Sato Tomoki*, Tobita Yasuhiro*, Wei S.*

日本原子力学会2022年秋の大会
Estimation of radiation source distribution using LASSO

Yamada Susumu, Machida Masahiko

日本原子力学会2022年春の年会
Environmental dynamics of tritium in Fukushima coastal and offshore area; Analysis of monitoring data

Machida Masahiko, Iwata Ayako, Yamada Susumu

日本原子力学会2022年春の年会
Investigation on distribution of radioactive substances in Fukushima, 16; Development of a watershed modeling for radionuclides

Sakuma Kazuyuki, Machida Masahiko, Yamada Susumu, Kurikami Hiroshi

日本原子力学会2021年秋の大会
Environmental dynamics of tritium in Fukushima coastal area and Fukushima Daiichi Nuclear Power Plant Port; Data analysis of 9-years variations after the accident

Machida Masahiko, Iwata Ayako, Yamada Susumu

日本原子力学会2021年春の年会
Estimation of particulate and dissolved $^{137}$Cs discharge from rivers to the ocean near the Fukushima Dai-ichi Nuclear Power Plant using a simple model

Sakuma Kazuyuki, Aoyama Michio*, Nakanishi Takahiro, Kurikami Hiroshi, Machida Masahiko, Yamada Susumu, Iwata Ayako

Fukushima Dai-ichi and the Ocean; 10 years of study and insight
Environmental dynamics of Cs-137 and other radionuclides inside and around the port of Fukushima Daiichi Nuclear Power Plant; Data analysis of 9-years variations after the accident

Machida Masahiko, Iwata Ayako, Yamada Susumu

日本原子力学会2020年秋の大会
Characteristic radiocesium transport in temperature-stratified reservoirs and port areas; Analysis by using a code, 3D-Sea Spec, developed for complex aquatic systems

Machida Masahiko, Yamada Susumu

European Geosciences Union General Assembly 2020
Analysis of temporal variations of Cs-137 discharge inventory from the port of Fukushima Daiichi Nuclear Power Plant over 9 years after the accident

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

European Geosciences Union General Assembly 2020
Applications of radiocesium migration models to Fukushima environmental issues, 1; Overview

Kurikami Hiroshi, Sakuma Kazuyuki, Malins A., Yamada Susumu, Machida Masahiko

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)
Environmental dynamics of Cs-137 inside and around the port of Fukushima Daiichi Nuclear Power Plant; 9-years variations after the accident

Machida Masahiko, Iwata Ayako, Yamada Susumu

日本原子力学会2020年春の年会

Professional Memberships

Research Projects

Study of high performance and accuracy eigenvalue solvers for quantum many-body systems

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2025
エクサスケール計算機を想定した量子モデルシミュレーションに対する並列化・高速化

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2018 - Mar, 2023

山田進, 永井佑紀, 大橋洋士, 町田昌彦
Multiphase fluid behavior simulation in a nuclear reactor using a GPU supercomputer

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2022

Onodera Naoyuki
High perfoemance computing for quamtum many-body problem using accelerators

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Oct, 2015 - Mar, 2018

Yamada Susumu
Development of parallelization strategy and speedup technique for 2D quamntum system on many-core parallel machines

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2011 - 2013

YAMADA Susumu, MACHIDA Masahiko, OHASHI Yoji, MATSUMOTO Hideki, IMAMURA Toshiyuki
Development of Parallelization Method of Simulation Method for Quantum Many-body Problem

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2008 - 2010

YAMADA Susumu, MACHIDA Masahiko, OHASHI Yoji, IMAMURA Toshiyuki, MATSUMOTO Hideki
Development of Numerical Algorithm for Quantum Atomic Gas

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2006 - 2007

SUSUMU Yamada, MACHIDA Masahiko, OHASHI Yoji, IMAMURA Toshiyuki
量子渦糸乱流の大規模シミュレーションによる研究

科学研究費助成事業, 特定領域研究, 日本学術振興会, 2006 - 2007

町田昌彦, 佐々成正, 山田進, 鈴木善雄
Theoretical studies of BEC/BCS states in quantum atomic gases

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2005 - 2006

MATSUMOTO Hideki, OHASHI Yoji, KOYAMA Tomio, MACHIDA Masahiko, YAMADA Susumu
parallel computing, High Performance Computing

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