Yamashita Takuzo

Affiliation and department：
Job title： Chief Researcher

Research field (1)： Building structures and materials

Research keywords (7)： Machine Learniing , Computational Fluid Dynamics , Earthquake Engineering , Solid Mechanics , Finite Element Method , Computational Mechanics , Building Structure

Research theme for competitive and other funds (9)：

2024 - 2028 Development of partially reduced order modeling methods and linear solvers for a system of coupled structural components
2021 - 2024 データ同化によるコンクリート材料試験の応力ひずみ推定値を用いた耐震解析の高度化
2021 - 2023 非局所弾塑性損傷構成則を用いたRC造建物の地震被害予測のための詳細FEM
2019 - 2022 鋼構造骨組と免震支承の性能設計と最適化のための詳細有限要素解析システムの開発
2016 - 2020 バランシング領域分割法と双対基底ラグランジュ乗数法によるアセンブリ構造解析

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Papers (44)：

Takuzo Yamashita, Yoshihide Sekimoto, Mikio Koshihara, Takafumi Nakagawa, Hideyuki O-Tani, Toshihiko Horiuchi. A digital twin prototype to visualize heterogeneous seismic damage simulation results on web-GIS. Journal of Asian Architecture and Building Engineering. 2024. 1-19
Karthik S., T. Yamashita, Rajagopal A. On the gradient-enhanced damage model for a hyperelastic material. Mechanics of Advanced Materials and Structures. 2023. 1-10
Ryota TAZUKE, Masayuki INOUE, Takuzo YAMASHITA, Koichi KAJIWARA, Takashi AOKI. SEISMIC SAFETY OF EXTERIOR CLADDING IN FULL-SCALE 10-STORY REINFORCED CONCRETE BUILDING SHAKING TABLE TEST (PART1) : ALC PANELS. AIJ Journal of Technology and Design. 2023. 29. 72. 677-682
Makoto Ohsaki, Bach Do, Jun Fujiwara, Toshiaki Kimura, Takuzo Yamashita. Two-step parameter identification of multi-axial cyclic constitutive law of structural steels from cyclic structural responses. Structures. 2022. 46. 2014-2030
Takuzo YAMASHITA, Jun FUJIWARA, Tomoshi MIYAMURA. Development of Tensile Crack Model Considering Poisson’s Effect and Its Application to a Large-Scale Finite Element Analysis of an RC Structure. Transactions of the Japan Society for Computational Engineering and Science. 2022. 2022. 20220006

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MISC (6)：

Toshihiko Horiuchi, Makoto Ohsaki, Masahiro Kurata, Julio A. Ramirez, Takuzo Yamashita, Koichi Kajiwara. Contributions of E-Defense Shaking Table to Earthquake Engineering and its Future. Journal of Disaster Research. 2022. 17. 6. 985-999
上田尚史, 上田尚史, 岡崎慎一郎, 車谷麻緒, 山本佳士, 川口和広, 上田尚史, 山本佳士, 坂敏秀, 山下拓三, et al. コンクリート工学におけるシミュレーションの検証と妥当性確認および不確かさ評価に関するシンポジウム委員会報告書. 日本コンクリート工学会委員会報告書・論文集. 2022. JCI-C102 (CD-ROM)
Toshihiko Horiuchi, Koichi Kajiwara, Takuzo Yamashita, Takashi Aoki, Tomonari Yashiro, Yoshihide Sekimoto, Mikio Koshihara, Hideki Koizumi. Study Concept on the Development of an Urban Cyber Physical System for Enhancing the Capability to Respond to Large-Scale Earthquakes. Journal of Disaster Research. 2021. 16. 2. 287-297
Makoto Ohsaki, Tomoshi Miyamura, Masayuki Kohiyama, Takuzo Yamashita, Masashi Yamamoto, Naohiro Nakamura. High-precision finite-element analysis of rubber bearing for base-isolation of building structures. ECCOMAS Thematic Conference - COMPDYN 2013: 4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings - An IACM Special Interest Conference. 2013. 2422-2430
Tomoshi Miyamura, Makoto Ohsaki, Takuzo Yamashita, Daigoro Isobe, Masayuki Kohiyama. Dynamic collapse analysis of four-story steel frame using E-Simulator. ECCOMAS Thematic Conference - COMPDYN 2013: 4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings - An IACM Special Interest Conference. 2013. 2431-2442

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Patents (3)：

建造物損傷状況推定システム及び建造物損傷状況推定方法
六面体要素モデル生成システム及び六面体要素モデル生成方法
模擬地震被害の実現象データ生成システム、模擬地震被害の実現象データ生成方法

Books (1)：

Seismic response simulation of building structures
2016

Lectures and oral presentations (92)：

Construction of Response Surface of Seismic Demand by Using Gaussian Process Regression and Bayesian Optimization
(2023)
Investigation of material constitutive model by using deep neural networks based on thermodynamics
(計算工学講演会論文集(CD-ROM) 2023)
Damage Classification System for a Wooden Building Based on Hysteresis Loop Using Convolutional Neural Network
(日本地震工学シンポジウム論文集(CD-ROM) 2023)
Study on Training Dataset Creation Method of Earthquake Damage Classifier for a Wooden Building Using Neural Network
(日本地震工学シンポジウム論文集(CD-ROM) 2023)
鉄筋コンクリート梁部材の静的載荷解析でのコンクリート材料構成則の検証と妥当性確認
(日本建築学会大会学術講演梗概集(構造I) 2022)

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Education (2)：

2005 - 2010 Tokyo Institute of Technology Graduate School of Engineering Department of Architecture and Building Engineering
- 2005 Tokyo Institute of Technology School of Engineering Department of Architecture and Building Engineering

Work history (4)：

2016/10 - 現在 National Research Institute for Earth Science and Disaster Resilience Earthquake Disaster Mitigation Research Division Chief Researcher
2014/08 - 2016/09 National Research Institute for Earth Science and Disaster Prevention
2012/04 - 2014/07 National Research Institute for Earth Science and Disaster Prevention
2010/04 - 2012/03 National Research Institute for Earth Science and Disaster Prevention Researcher

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