Shimizu Hiroyuki A.

シミズヒロユキ | Shimizu Hiroyuki A.

Affiliation and department：
Job title： Chief Researcher
Homepage URL (1)： https://www.researchgate.net/profile/Hiroyuki_Shimizu2

Research field (7)： Solid earth science , Forest science , Human geoscience , Human geoscience , Disaster prevention engineering , Hydroengineering , Mathematical physics and basic theory

Research keywords (14)： Particulate Gravity Current , Sediment Transport , Pyroclastic density current , Debris flow , Mudflow (Lahar) , Lava flow , Snow avalanche , Turbidity current , Multiphase Fluid Dynamics , Computational Fluid Dynamics , Shallow-water theory , Verification, Validation, and Uncertainty Quantification (VVUQ) , Gravity current , Density current

Research theme for competitive and other funds (5)：

2025 - 2028 土石流・河床変動解析手法の妥当性評価とそれに基づく高度化に関する研究
2024 - 2027 地球表層における粒子重力流のダイナミクスの分野横断での比較による数値計算モデルの高度化と防災への応用
2024 - 2025 Interdisciplinary Research Meeting 2024 Particulate Gravity Current at the Earth's Surface : Theory, Experiment, Observation, and Application to Disaster Prevention
2022 - 2025 水路実験による火山泥流の堆積機構の解明と数値モデルの開発
2021 - 2024 マグマ噴火・マグマ水蒸気噴火で生じる大規模火砕流の到達距離に関する数値的研究

Papers (10)：

Yasuhiro FUJISAWA, Akihiko IKEDA, Shinya YOSHIDA, Hiroyuki A. SHIMIZU. Responsibility and issue of Erosion Control Technology in Volcanic Disaster Prevention. BULLETIN OF THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2026. 71. 1. 31-40
Hiroyuki A. Shimizu, Takehiro Koyaguchi, Yujiro J. Suzuki. Dynamics and Deposits of Pyroclastic Density Currents in Magmatic and Phreatomagmatic Eruptions Revealed by a Two-Layer Depth-Averaged Model. Geophysical Research Letters. 2023. 50. 16. e2023GL104616
Hiroyuki A. Shimizu. Numerical simulations of dome-collapse pyroclastic density currents using faSavageHutterFOAM: Application to the 3 June 1991 eruption of Unzen volcano, Japan. Journal of Disaster Research. 2022. 17. 5. 768-778
Eisuke Fujita, Hiroyuki A. Shimizu, Haruhisa Nakamichi. High precision lava flow simulation using digital elevation data by 8K drone observation. Journal of Disaster Research. 2022. 17. 5. 779-790
Hiroyuki A. Shimizu, Takehiro Koyaguchi, Yujiro J. Suzuki, Ermanno Brosch, Gert Lube, Matteo Cerminara. Validation of a two-layer depth-averaged model by comparison with an experimental dilute stratified pyroclastic density current. Bulletin of Volcanology. 2021. 83. 11. 73

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MISC (5)：

Hiroyuki A. Shimizu. Report on Participation in the IAVCEI Scientific Assembly 2025. sabo. 2025. 138. 30-31
Hiroyuki A. Shimizu. Report on Participation in the 3rd International Workshop on Pyroclastic Density Currents. sabo. 2025. 137. 28-29
Takahiro TANABE, Hiroyuki SHIMIZU. Introduction of avalanche dynamics simulator "faSavageHutterFOAM". Journal of the Japanese Society of Snow and Ice. 2022. 85. 4. 297-308
Hiroyuki SHIMIZU. Applicability of numerical two-layer depth-averaged models for pyroclastic density currents to powder snow avalanches: Toward developing a unified model for powder snow avalanches and pyroclastic density currents. Journal of the Japanese Society of Snow and Ice. 2022. 85. 4. 323-340
志水宏行, 菅野洋, 松尾直弥, 森田雅明. 火山学勉強会2015報告. 火山. 2016. 61. 3. 559-562

Lectures and oral presentations (58)：

Inverse analysis from pyroclastic density current deposits using machine learning
(JpGU-AGU Joint Meeting 2026 2026)
Sedimentation and co-ignimbrite mass partitioning in a depth-averaged pyroclastic density current model
(JpGU-AGU Joint Meeting 2026 2026)
Temporal evolution of cooling magma body revealed by a combined approach of heat-transfer simulation with the MELTS-based thermodynamic calculation
(JpGU-AGU Joint Meeting 2026 2026)
定常等流条件下の土石流・土砂流モデルにおけるフェーズシフト効果の解析的評価
(令和8年度砂防学会研究発表会「三重大会」 2026)
地形変化を適切に表現できる数値解析手法と堆積侵食効果に関する考察
(令和8年度砂防学会研究発表会「三重大会」 2026)

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Works (1)：

SKS-1D: a Fortran90 code for a 1-D two-layer depth-averaged model of pyroclastic density currents
Hiroyuki A. Shimizu, Takehiro Koyaguchi, Yujiro J. Suzuki 2021 - 現在

Education (3)：

2015 - 2018 The University of Tokyo Graduate School of Science Department of Earth and Planetary Science
2013 - 2015 The University of Tokyo Graduate School of Science Department of Earth and Planetary Science
2009 - 2013 Shimane University Interdisciplinary Faculty of Science and Engineering Department of Geoscience

Professional career (1)：

Ph.D. (The University of Tokyo)

Work history (4)：

2024/04 - 現在 Sabo & Landslide Technical Center Sabo Technology Research Institute Chief Researcher
2023/01 - 2024/03 Sabo & Landslide Technical Center Sabo Technology Research Institute Researcher
2019/10 - 2022/12 National Research Institute for Earth Science and Disaster Prevention Center for Integrated Volcano Research Associated Research Fellow
2018/04 - 2019/09 Earthquake Research Institute, The University of Tokyo Division of Theoretical Geoscience Project Researcher

Committee career (2)：

2024/07 - 現在砂防学会砂防学会誌編集委員
2024/07 - 現在日本火山学会ジオパーク支援委員

Awards (2)：

2025/05 - The Volcanological Society of Japan Young Scientist Award A study of the dynamics and deposits of pyroclastic density currents based on a two-layer depth-averaged model
2015/07 - Japan Geoscience Union (JpGU) Outstanding Student Presentation Award

Association Membership(s) (3)：

Japan Society of Erosion Control Engineering (JSECE) , The Volcanological Society of Japan , Japan Geoscience Union (JpGU)

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