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J-GLOBAL ID:201901011675825138   Update date: Mar. 12, 2024

Fujita Kohei

フジタ コウヘイ | Fujita Kohei
Affiliation and department:
Job title: Associate Professor
Homepage URL  (1): http://www.eri.u-tokyo.ac.jp/cshpc/fujita.html
Research field  (3): High-performance computing ,  Structural and seismic engineering ,  Solid earth science
Research theme for competitive and other funds  (6):
  • 2022 - 2025 ランダムアクセス・データレカレンスを含むカーネルの多種計算機における高速化
  • 2018 - 2023 Development of crust imaging enhanced by hetero-computing for reducing earthquake disaster
  • 2022 - BDEC完全解析の創出~社会基盤を例に
  • 2017 - 2020 Development of coupled ground-city seismic response analysis method
  • 2015 - 2017 Development of three-dimensional ground-underground structure analysis method for evaluating ground motion amplification
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Papers (89):
  • Seiya ANATA, Masaki MITSUYA, Mio KOBAYASHI, Iwao SUETOMI, Kohei FUJITA, Tsuyoshi ICHIMURA, Muneo HORI. PROPOSAL OF SEISMIC DESHIGN METHOD FOR GAS PIPELINES USING LARGE-SCALE NUMERICAL CALCULATION. Japanese Journal of JSCE. 2024. 80. 15. n/a-n/a
  • Sota Murakami, Kohei Fujita, Tsuyoshi Ichimura, Takane Hori, Muneo Hori, Maddegedara Lalith, Naonori Ueda. Development of 3D Viscoelastic Crustal Deformation Analysis Solver with Data-Driven Method on GPU. Computational Science - ICCS 2023. 2023. 423-437
  • M. A.K.M. Dharmasiri, Maddegedara Lalith, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori. A Novel Implicit Stress Integration Algorithm and its Verification Using von Mises and Drucker Prager Plasticity. ACM International Conference Proceeding Series. 2023. 63-71
  • Kohei Fujita, Takuma Yamaguchi, Yuma Kikuchi, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara. Calculation of cross-correlation function accelerated by TensorFloat-32 Tensor Core operations on NVIDIA’s Ampere and Hopper GPUs. Journal of Computational Science. 2023. 101986-101986
  • Muneo Hori, Kohei Fujita. APPLICATION OF META-MODELING THEORY TO THIN CURVED BEAM USING CURVILINEAR COORDINATE SYSTEM AND ASYMPTOTIC EXPANSION. Journal of Japan Society of Civil Engineers. 2023. 11. 2
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MISC (30):
  • 日下部 亮太, 市村 強, 藤田 航平, 堀 宗朗, Lalith Wijerathne. メニーコアCPU及びGPUを使用した有限要素法による大規模3次元地盤液状化解析とそのサロゲートモデル-Fast and Large-scale Three-dimensional Soil Liquefaction Simulation with Finite Element Method Using Many-core CPUs and GPUs and Its Surrogate Model. 計算工学講演会論文集 Proceedings of the Conference on Computational Engineering and Science / 日本計算工学会 編. 2022. 27. 1057-1059
  • 藤田航平, 市村強, 堀宗朗, MADDEGEDARA Lalith. Development of fast and scalable finite-element solver for high-fidelity three-dimensional urban earthquake simulation. 計算工学講演会論文集(CD-ROM). 2022. 27
  • 澤田昌孝, 羽場一基, 藤田航平, 市村強, 堀宗朗. Multiscale FEM for evaluation of fault displacement and seismic vibration. 土木学会全国大会年次学術講演会(Web). 2022. 77th
  • 日下部 亮太, 市村 強, 藤田 航平, 山口 拓真, 堀 宗朗, Lalith Wijerathne. OpenACCを使ったGPU計算による大規模3次元液状化解析の高速化-Large-scale 3D soil liquefaction analysis accelerated by GPU computing with OpenACC. 計算工学講演会論文集 Proceedings of the Conference on Computational Engineering and Science / 日本計算工学会 編. 2020. 25. 4p
  • 日下部亮太, 市村強, 藤田航平, 堀宗朗, WIJERATHNE Lalith. CPU環境での大規模3次元地震応答解析の高度化. 土木学会年次学術講演会講演概要集(CD-ROM). 2020. 75th
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Lectures and oral presentations  (76):
  • GPUとデータ駆動型手法により高速化した高詳細粘弾性地殻変動解析
    (第16回日本地震工学シンポジウム)
  • Compression of Scientific Simulation Data by Stochastic Basis Expansion - Example on Multiple Computer Systems
    (PDSW23: 8th International Parallel Data Systems Workshop, Held in Conjunction with SC23: The International Conference for High Performance Computing, Networking, Storage, and Analysis 2023)
  • 2004年紀伊半島沖地震による余効変動解析:3次元粘弾性構造の影響
    (日本地震学会2023年度秋季大会 2023)
  • スーパーコンピュータ「富岳」を用いた東北地方太平洋沖地震時の福島第一原子力発電所の敷地全体を対象とした地震応答解析
    (2023年度日本建築学会大会)
  • Sequential Monte Carlo sampling を用いた断層位置とすべり分布の同時ベイズ推定手法の拡張
    (第43回地震工学研究発表会)
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Education (4):
  • 2012 - 2014 The University of Tokyo The Graduate School of Engineering Department of Civil Engineering (Doctor Degree Course)
  • 2010 - 2012 The University of Tokyo The Graduate School of Engineering Department of Civil Engineering (Master Degree Course)
  • 2008 - 2010 The University of Tokyo The Faculty of Engineering Department of Civil Engineering
  • 2006 - 2008 The University of Tokyo College of Arts and Sciences (Natural Sciences II)
Professional career (1):
  • Dr. (Eng.) (The University of Tokyo)
Work history (6):
  • 2021/01 - 現在 The University of Tokyo Earthquake Research Institute Associate Professor
  • 2017/04 - 現在 RIKEN Center for Computational Science Visiting Scientist
  • 2017/04 - 2021/01 The University of Tokyo Earthquake Research Institute Assistant Professor
  • 2015/04 - 2017/03 RIKEN Advanced Institute for Computational Science Postdoctoral Researcher
  • 2014/04 - 2015/03 RIKEN Advanced Institute for Computational Science Visiting Researcher (Postdoctoral Research Fellow of JSPS)
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Committee career (8):
  • 2020/07 - 現在 The Japan Society for Computational Engineering and Science International Activities Committee
  • 2017/08 - 現在 International Workshop on Advances in High-Performance Computational Earth Sciences: Applications & Frameworks (IHPCES) Co-chair
  • 2019/09 - 2023/05 Japan Society of Civil Engineers Applied Mechanics Committee
  • 2022/01 - 2022/12 日本地震工学会 日本地震工学会・大会-2022 実行委員
  • 2021/01 - 2021/12 日本地震工学会 日本地震工学会・大会-2021 実行委員
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Awards (20):
  • 2022/12 - 日本地震工学会 2022年度日本地震工学会大会優秀発表賞 高詳細三次元地盤震動解析手法の開発と,地盤歪のボリュームデータ可視化に関する基礎検討
  • 2022/11 - ACM/IEEE Gordon Bell Prize finalist (SC22) Extreme-scale earthquake simulation with uncertainty quantification
  • 2022/01 - HPCAsia2022: International Conference on High Performance Computing in Asia-Pacific Region Best Paper Award 152K-computer-node parallel scalable implicit solver for dynamic nonlinear earthquake simulation
  • 2021/12 - 日本地震工学会 2021年度日本地震工学会大会優秀発表賞 高速な3次元地盤震動解析手法の開発と地盤歪推定への適用
  • 2021/11 - Eighth Workshop on Accelerator Programming Using Directives (WACCPD) Honorable Mention GPU porting of scalable implicit solver with Green’s function-based neural networks by OpenACC
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Association Membership(s) (5):
IEEE (Institute of Electrical and Electronics Engineers) ,  ACM (Association for Computing Machinery) ,  Japan Association for Earthquake Engineering ,  The Japan Society for Computational Engineering and Science ,  Japan Society of Civil Engineers
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