Hasegawa Yuta 長谷川雄太

Researcher Number	10851016
Other IDs	https://orcid.org/0000-0002-4072-6311
Affiliation (based on the past Project Information) *help	2019 – 2024: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究職 2020: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究員
Review Section/Research Field	Principal Investigator Basic Section 60100:Computational science-related / 1001:Information science, computer engineering, and related fields Except Principal Investigator Basic Section 60090:High performance computing-related / Medium-sized Section 22:Civil engineering and related fields
Keywords	Principal Investigator GPU / 格子ボルツマン法 / 局所アンサンブル変換カルマンフィルタ / アンサンブルデータ同化 / アンサンブルカルマンフィルタ / 都市風況LES / LETKF / データ同化 / AMR / LBM / アンサンブル計算 / LES / 都市風況 … More Except Principal Investigator … More GPUスーパーコンピュータ / 格子ボルツマン法 / GPU computing / Data assimilation / Diffusion model / Deep learning / GPUコンピューティング / 都市気流シミュレーション / In-Situ可視化 / 粒子ベース可視化 / 統計量可視化 / アンサンブルシミュレーション / 適合細分化格子 / ナッジング法 / 都市街区内風況解析 / ラージエディ・シミュレーション / 風況デジタルツイン / データ同化 / GPU / 適合細分化格子法 / 都市街区風況解析 / 超解像 / 都市微気象モデル / 移動観測 / 気象タワー観測 / 都市大気乱流 / PM2.5 / 接地境界層 / 数値シミュレーション / 大気汚染 / 海陸風 / 都市気象観測 / ラグランジュ粒子 / 大気環境計測 / 街区 / 都市大気境界層 Less

GPUスパコンを用いた都市風況LESに対するアンサンブルデータ同化の高速化技術の開発Principal Investigator
- Principal Investigator
  
  長谷川雄太
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  Japan Atomic Energy Agency
大規模アンサンブル計算における統計量のリアルタイムIn-Situ可視化
- Principal Investigator
  
  河村拓馬
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Japan Atomic Energy Agency
深層学習による都市汚染物質拡散のアンサンブル即時予報の実現
- Principal Investigator
  
  朝比祐一
- Project Period (FY)
  2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Japan Atomic Energy Agency
Real-time wind digital twin with 1-meter resolution using GPU supercomputer
- Principal Investigator
  
  小野寺直幸
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Japan Atomic Energy Agency
Development of data assimilation method for urban wind LES with higher resolution than that of measurementPrincipal Investigator
- Principal Investigator
  
  Hasegawa Yuta
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  Japan Atomic Energy Agency
Real-time ensemble data assimilation for urban wind simulation using GPU supercomputersPrincipal Investigator
- Principal Investigator
  
  Hasegawa Yuta
- Project Period (FY)
  2019 – 2020
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  1001:Information science, computer engineering, and related fields
- Research Institution
  Japan Atomic Energy Agency
Super-resolution evaluation system of air pollution at pedestrian level
- Principal Investigator
  
  Inagaki Atsushi
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 22:Civil engineering and related fields
- Research Institution
  Tokyo Institute of Technology

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] CityTransformer: A Transformer-Based Model for Contaminant Dispersion Prediction in a Realistic Urban Area2023
- Author(s)
  Asahi Yuuichi、Onodera Naoyuki、Hasegawa Yuta、Shimokawabe Takashi、Shiba Hayato、Idomura Yasuhiro
- Journal Title
  
  Boundary-Layer Meteorology
  
  Volume: 186 Issue: 3 Pages: 659-692
- DOI
  10.1007/s10546-022-00777-8
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K11129, KAKENHI-PROJECT-19H05662
[Journal Article] Interactive steering on in situ particle-based volume rendering framework2023
- Author(s)
  Kawamura Takuma、Hasegawa Yuta、Idomura Yasuhiro
- Journal Title
  
  Journal of Visualization
  
  Volume: 27 Issue: 1 Pages: 89-107
- DOI
  10.1007/s12650-023-00945-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K11130
[Journal Article] Continuous data assimilation of large eddy simulation by lattice Boltzmann method and local ensemble transform Kalman filter (LBM-LETKF)2023
- Author(s)
  Hasegawa Yuta、Onodera Naoyuki、Asahi Yuuichi、Ina Takuya、Imamura Toshiyuki、Idomura Yasuhiro
- Journal Title
  
  Fluid Dynamics Research
  
  Volume: 55 Issue: 6 Pages: 065501-065501
- DOI
  10.1088/1873-7005/ad06bd
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K17755, KAKENHI-PROJECT-23K24855
[Journal Article] GPU Optimization of Lattice Boltzmann Method with Local Ensemble Transform Kalman Filter2022
- Author(s)
  Hasegawa Yuta、Imamura Toshiyuki、Ina Takuya、Onodera Naoyuki、Asahi Yuuichi、Idomura Yasuhiro
- Journal Title
  
  2022 IEEE/ACM Workshop on Latest Advances in Scalable Algorithms for Large-Scale Heterogeneous Systems (ScalAH)
  
  Volume: 13 Pages: 10-17
- DOI
  10.1109/scalah56622.2022.00007
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K17755
[Journal Article] Tree cutting approach for domain partitioning on forest-of-octrees-based block-structured static adaptive mesh refinement with lattice Boltzmann method2021
- Author(s)
  Hasegawa Yuta、Aoki Takayuki、Kobayashi Hiromichi、Idomura Yasuhiro、Onodera Naoyuki
- Journal Title
  
  Parallel Computing
  
  Volume: 108 Pages: 102851-102851
- DOI
  10.1016/j.parco.2021.102851
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H05613, KAKENHI-PROJECT-21K17755
[Journal Article] Ensemble wind simulations using a mesh-refined lattice Boltzmann method on GPU-accelerated systems2020
- Author(s)
  Y. Hasegawa, N. Onodera, Y. Idomura
- Journal Title
  
  Proc. SNA+MC2020
  
  Volume: --- Pages: 236-242
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] GPU向け乱流アンサンブルデータ同化コードLBM-LETKFの開発2024
- Author(s)
  長谷川雄太、井戸村泰宏、小野寺直幸
- Organizer
  日本原子力学会2024年春の年会
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] GPU向け乱流アンサンブルデータ同化コードLBM-LETKFの開発2024
- Author(s)
  長谷川雄太、井戸村泰宏、小野寺直幸
- Organizer
  日本原子力学会2024年春の年会
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] アンサンブルカルマンフィルタを用いた都市風況解析のためのパラメータ最適化2023
- Author(s)
  小野寺直幸、井戸村泰宏、長谷川雄太、朝比祐一、稲垣厚至、下瀬健一、平野洪賓
- Organizer
  第28回計算工学講演会
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] 格子ボルツマン法と局所アンサンブル変換カルマンフィルタ（LBM-LETKF）による二次元等方乱流のデータ同化2023
- Author(s)
  長谷川雄太、小野寺直幸、朝比祐一、井戸村泰宏
- Organizer
  第28回計算工学講演会
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] 格子ボルツマン法-局所アンサンブル変換カルマンフィルタにおける状態変数ベクトルの選定について2023
- Author(s)
  長谷川雄太、井戸村泰宏、小野寺直幸、朝比祐一
- Organizer
  第37回数値流体力学シンポジウム
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] 適合細分化格子ボルツマン法による東京都市街区内の風況ラージエディシミュレーション2023
- Author(s)
  小野寺直幸、井戸村泰宏、長谷川雄太、朝比祐一、稲垣厚至、下瀬健一、平野洪賓
- Organizer
  第37回数値流体力学シンポジウム
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] 格子ボルツマン法と局所アンサンブル変換カルマンフィルタ（LBM-LETKF）による二次元等方乱流のデータ同化2023
- Author(s)
  長谷川雄太、小野寺直幸、朝比祐一、井戸村泰宏
- Organizer
  第28回計算工学講演会
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] Generating observation guided ensembles for data assimilation with denoising diffusion probabilistic model2023
- Author(s)
  Y. Asahi, Y. Hasegawa, N. Onodera, T. Shimokawabe, H. Shiba, Y. Idomura
- Organizer
  SynS & ML Workshop @ ICML 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K11129
[Presentation] Exascale CFD plan in JAEA: Towards digital twin of urban wind environment2023
- Author(s)
  Y. Hasegawa
- Organizer
  20th International Topical Meeting on Nuclear Reactor Thermal Hydraulics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] 格子ボルツマン法-局所アンサンブル変換カルマンフィルタにおける状態変数ベクトルの選定について2023
- Author(s)
  長谷川雄太、井戸村泰宏、小野寺直幸、朝比祐一
- Organizer
  第37回数値流体力学シンポジウム
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] 適合細分化格子ボルツマン法による大気境界層生成のためのパラメータ最適化2022
- Author(s)
  小野寺直幸、井戸村泰宏、長谷川雄太、下川辺隆史、青木尊之
- Organizer
  第27回計算工学講演会
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] Tree cutting approach for reducing communication in domain partitioning of tree-based block-structured adaptive mesh refinement2022
- Author(s)
  Yuta Hasegawa, Takayuki Aoki, Hiromichi Kobayashi, Yasuhiro Idomura, Naoyuki Onodera
- Organizer
  15th World Congress on Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics (WCCM-APCOM Yokohama 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] アンサンブルカルマンフィルタを用いた乱流境界層生成のためのパラメータ最適化2022
- Author(s)
  小野寺直幸、井戸村泰宏、長谷川雄太、中山浩成
- Organizer
  第36回数値流体力学シンポジウム
- Data Source
  KAKENHI-PROJECT-23K24855
[Presentation] 二次元格子ボルツマン法に対する局所アンサンブル変換カルマンフィルタ (LETKF) の GPU 実装2022
- Author(s)
  長谷川雄太, 小野寺直幸、朝比祐一、井戸村泰宏
- Organizer
  第 27 回計算工学講演会
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] 格子ボルツマン法と局所アンサンブル変換カルマンフィルタ (LBM-LETKF) による3次元乱流データ同化2022
- Author(s)
  長谷川雄太, 小野寺直幸、朝比祐一、井戸村泰宏
- Organizer
  第36回数値流体シンポジウム
- Data Source
  KAKENHI-PROJECT-21K17755
[Presentation] 局所細分化格子ボルツマン法による都市風況解析におけるアンサンブル計算のMPI実装2021
- Author(s)
  長谷川雄太、小野寺直幸、井戸村泰宏
- Organizer
  原子力学会2021年春の年会
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] 局所細分化格子ボルツマン法を用いたアンサンブル風況解析2020
- Author(s)
  長谷川雄太、小野寺直幸、井戸村泰宏
- Organizer
  第25回計算工学講演会
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] 局所細分化格子ボルツマン法による都市部を対象とした局所風況解析のアンサンブル計算に向けた省メモリ実装2020
- Author(s)
  長谷川雄太，小野寺直幸，井戸村泰宏
- Organizer
  原子力学会2020年春の年会
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] 局所細分化格子ボルツマン法による都市部を対象とした局所風況解析のアンサンブル計算に向けた省メモリ実装2020
- Author(s)
  長谷川雄太、小野寺直幸、井戸村泰宏
- Organizer
  日本原子力学会2020年春の年会
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] 格子ボルツマン法のアンサンブル計算に基づく汚染物質拡散解析2020
- Author(s)
  長谷川雄太、小野寺直幸、井戸村泰宏
- Organizer
  第34回数値流体力学シンポジウム
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] Enhancing Intra-node Multi-GPU Stencil Calculations on DGX-2 using Concurrent-Addressing with Unified Memory2020
- Author(s)
  Yuta HASEGAWA, Naoyuki ONODERA, Yaushiro IDOMURA
- Organizer
  GPU Technology Conference (GTC) Digital
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K24359
[Presentation] Ensemble simulation for micro-meteorological condition using locally-mesh refined lattice Boltzmann method2020
- Author(s)
  Y. Hasegawa, N. Onodera, Y. Idomura
- Organizer
  COMPSAFE2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K24359

1. 小野寺直幸 (50614484)

# of Collaborated Projects: 4 results

# of Collaborated Products: 9 results
2. Inagaki Atsushi (80515180)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
3. 河村拓馬 (90718248)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
4. 朝比祐一 (00824103)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
5. 井戸村泰宏 (00354580)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
6. 平野洪賓 (20551336)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
7. 下瀬健一 (40729183)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
8. 鈴木真一 (60462503)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 青木尊之

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hasegawa Yuta 長谷川 雄太

Research Projects

Research Products

Co-Researchers

GPUスパコンを用いた都市風況LESに対するアンサンブルデータ同化の高速化技術の開発Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

大規模アンサンブル計算における統計量のリアルタイムIn-Situ可視化

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

深層学習による都市汚染物質拡散のアンサンブル即時予報の実現

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Real-time wind digital twin with 1-meter resolution using GPU supercomputer

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of data assimilation method for urban wind LES with higher resolution than that of measurementPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Real-time ensemble data assimilation for urban wind simulation using GPU supercomputersPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Super-resolution evaluation system of air pollution at pedestrian level

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] CityTransformer: A Transformer-Based Model for Contaminant Dispersion Prediction in a Realistic Urban Area2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Interactive steering on in situ particle-based volume rendering framework2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Continuous data assimilation of large eddy simulation by lattice Boltzmann method and local ensemble transform Kalman filter (LBM-LETKF)2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] GPU Optimization of Lattice Boltzmann Method with Local Ensemble Transform Kalman Filter2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Tree cutting approach for domain partitioning on forest-of-octrees-based block-structured static adaptive mesh refinement with lattice Boltzmann method2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ensemble wind simulations using a mesh-refined lattice Boltzmann method on GPU-accelerated systems2020

Author(s)

Journal Title

Data Source

[Presentation] GPU向け乱流アンサンブルデータ同化コードLBM-LETKFの開発2024

Author(s)

Organizer

Data Source

[Presentation] GPU向け乱流アンサンブルデータ同化コードLBM-LETKFの開発2024

Hasegawa Yuta 長谷川雄太