Ryoma Aoki

(青木涼馬)

Profile Information

Affiliation: Assistant Professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

Degree: Ph. D.(Mar, 2022, The University of Tokyo)

J-GLOBAL ID: 202501018304559887
researchmap Member ID: R000085896

Research Interests

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Machine materials and mechanics / 複合材料工学
Aerospace, marine, and maritime Engineering / Aerospace engineering / 構造材料

Research History

Apr, 2025 - Present

Assistant Professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
Apr, 2022 - Mar, 2025

Assistant Professor, The Graduate School of Engineering, The University of Tokyo
Apr, 2020 - Mar, 2022

Japan Society for the Promotion of Science

Awards

Jun, 2023

論文賞, 非線形拡張有限要素法による複合材料の有孔強度評価, 日本複合材料学会

樋口諒, 青木涼馬, 横関智弘, 長嶋利夫, 岡部朋永
Jun, 2021

論文賞, ミクロスケール解析による薄層CFRP積層板のin-situ損傷・強度特性評価, 日本複合材料学会

樋口諒, 青木涼馬, 横関智弘, 岡部朋永
Aug, 2019

若手奨励賞, 層内・層間疲労モデルを用いた複合材積層板の損傷シミュレーション, 第61回構造強度に関する講演会, 日本航空宇宙学会

青木涼馬, 樋口諒, 横関智弘

Papers

Evaluation on fatigue degradation and residual strength of composite pressure vessel

Ryoma Aoki, Tomohiro Yokozeki, Tetsuya Matsuda, Masahito Ueda, Wataru Iwase

Proceedings of the American Society for Composites - 39th Technical Conference, ASC 2024, Oct, 2024 Lead authorCorresponding author
Numerical prediction of fatigue damage progress and residual strength after fatigue in composite pressure vessel

Ryoma Aoki, Tomohiro Yokozeki, Tetsuya Matsuda, Masahito Ueda, Wataru Iwase

ECCM 2024 - Proceeding of the 21th European Conference on Composite Materials, Jul, 2024 Lead authorCorresponding author
Voids in type-IV composite pressure vessels manufactured by a dry filament-winding process

Masahito Ueda, Tatsuhiro Hidaka, Naruki Ichihara, Haiya Yang, Wataru Iwase, Tetsuya Matsuda, Naoki Morita, Ryoma Aoki, Tomohiro Yokozeki

International Journal of Pressure Vessels and Piping, 208 105154-105154, Apr, 2024 Peer-reviewed
Progressive damage and residual strength of open-hole thin-ply CFRP laminates under tensile fatigue loading

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki

Composite Structures, 314 116973-116973, Jun, 2023 Peer-reviewedLead authorCorresponding author
Evaluation of Notched Strength of Composite Laminates Using a Nonlinear Extended Finite Element Method

Ryo HIGUCHI, Ryoma AOKI, Tomohiro YOKOZEKI, Toshio NAGASHIMA, Tomonaga OKABE

Journal of the Japan Society for Composite Materials, 48(6) 223-235, Nov 15, 2022 Peer-reviewed
Evaluation of Damage and Strength Properties of Thin-ply CFRP Laminates Using Toughening Interlayer

Ryoma AOKI, Ryo HIGUCHI, Tomohiro YOKOZEKI, Kazuyuki AOKI, Shigekazu UCHIYAMA, Toshio OGASAWARA

Journal of the Japan Society for Composite Materials, 48(6) 236-245, Nov 15, 2022 Peer-reviewedLead authorCorresponding author
Experiments on the mode II fracture toughness in ENF tests of CFRP curved beams

Ryota Sako, Ryoma Aoki, Ryo Higuchi, Masahito Ueda, Yuta Urushiyama, Tomohiro Yokozeki

Composite Structures, 292 115692-115692, Jul, 2022 Peer-reviewed
Experimental investigation on fatigue damage growth in thin-ply open-hole composite laminates under tension

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki

ECCM 2022 - Proceeding of the 20th European Conference on Composite Materials, Jun, 2022 Lead authorCorresponding author
Multi-fidelity progressive damage simulation of notched composite laminates with various ply thicknesses

R. Higuchi, R. Aoki, S. Onodera, X. Lu, J. Zhi, K.H. Leong, T. Yokozeki, T. Okabe, T.E. Tay

International Journal of Solids and Structures, 242 111518-111518, May, 2022 Peer-reviewed
Analysis of mode II strain energy release rates in end-notched flexure tests of carbon fiber-reinforced plastic curved beams

Ryota Sako, Ryoma Aoki, Ryo Higuchi, Masahito Ueda, Yuta Urushiyama, Tomohiro Yokozeki

Composite Structures, 281 115038-115038, Feb, 2022 Peer-reviewed
Effects of ply thickness and 0°-layer ratio on failure mechanism of open-hole and filled-hole tensile tests of thin-ply composite laminates

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki, Kazuyuki Aoki, Shigekazu Uchiyama, Toshio Ogasawara

Composite Structures, 280 114926-114926, Jan, 2022 Peer-reviewedLead authorCorresponding author
Damage-mechanics mesoscale modeling of composite laminates considering diffuse and discrete ply damages: Effects of ply thickness

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki, Kazuyuki Aoki, Shigekazu Uchiyama, Toshio Ogasawara

Composite Structures, 277 114609-114609, Dec, 2021 Peer-reviewedLead authorCorresponding author
Numerical Prediction of Stiffness Degradation of Thin-Ply CFRP Laminates Under Fatigue Loading

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki

Proceedings of the American Society for Composites - 36th Technical Conference, ASC 2021, Sep, 2021 Lead authorCorresponding author
Fatigue simulation for progressive damage in CFRP laminates using intra-laminar and inter-laminar fatigue damage models

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki

International Journal of Fatigue, 143 106015-106015, Feb, 2021 Peer-reviewedLead authorCorresponding author
Evaluation of the In-situ Damage and Strength Properties of Thin-ply CFRP Laminates by Micro-scale Finite Element Analysis

Ryo Higuchi, Ryoma Aoki, Tomohiro Yokozeki, Tomonaga Okabe

Journal of the Japan Society for Composite Materials, 46(5) 212-222, Sep 15, 2020 Peer-reviewed
Numerical and Experimental Evaluation of the Effects of Ply Thickness on Progressive Damage in CFRP Laminates

Ryoma Aoki, Ryo Higuchi, Tomohiro Yokozeki, Kazuyuki Aoki, Shigekazu Uchiyama, Toshio Ogasawara

Proceedings of the American Society for Composites - 35th Technical Conference, ASC 2020, Sep, 2020 Lead authorCorresponding author
Evaluation of notched strength of thin-ply composite materials using adaptive discrete-smeared crack (A-DiSC) method

Ryo Higuchi, Ryoma Aoki, Tomohiro Yokozeki, Sota Onodera, Tomonaga Okabe, Karh Heng Leong, Jie Zhi, Xin Lu, Tong Earn Tay

Proceedings of the American Society for Composites - 35th Technical Conference, ASC 2020, Sep, 2020
Evaluation of the in-situ damage and strength properties of thin-ply CFRP laminates by micro-scale finite element analysis

R. Higuchi, R. Aoki, T. Yokozeki, T. Okabe

Advanced Composite Materials, 29(5) 475-493, Apr 9, 2020 Peer-reviewed

Professional Memberships

Research Projects

ミクロおよびマクロスケールの損傷累積を考慮したCFRPの疲労後残留強度予測

科学研究費助成事業, 日本学術振興会, Apr, 2025 - Mar, 2029

青木涼馬
Development of Fatigue Simulation Method Considering the Microscopic Damage Mechanisms in CFRP and Prediction of Fatigue Life

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Aug, 2022 - Mar, 2024

Aoki Ryoma
層厚効果を考慮した薄層CFRP積層板のマルチスケール損傷解析手法の開発

科学研究費助成事業, 日本学術振興会, Apr, 2020 - Mar, 2022

青木涼馬

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