Details of the Researcher

PHOTO

Liu Yajun
Section
Institute of Fluid Science
Job title
Specially Appointed Research Fellow
Degree

  • DOCTOR of ENGINEERING (Shinshu University)

Research History 3

  • 2025/09 - Present
    Tohoku University　Institute of Fluid Science

  • 2023/07 - 2025/08
    Tohoku University　Institute of Fluid Science

  • 2022/04 - 2023/06
    Shinshu University　Faculty of Textile Science and Technology

Education 2

  • Shinshu University　Graduate School of Medicine, Science and Technology

    2018/04 - 2022/03

  • The University of Manchester

    2018/09 - 2018/12

Professional Memberships 3

  • 日本機械学会

    2025/04 - Present

  • 日本航空宇宙学会

    2024/01 - Present

  • 日本複合材料学会

    2023/04 - Present

Research Interests 2

  • 計算力学

  • Composite materials

Research Areas 4

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Fluid engineering /

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Design engineering /

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Machine materials and mechanics /

  • Aerospace, marine, and maritime Engineering / Aerospace engineering /

Papers 11

  1. Multi-Objective Optimization of Composite Aircraft Wings

    Yajun Liu, Yoshiaki Abe

    Computational Methods in Applied Sciences　29-41　2026/05/13

    Publisher: Springer Nature Switzerland

    DOI： 10.1007/978-3-032-17696-7_3 　

    ISSN： 1871-3033

    eISSN： 2543-0203

  2. Multi-objective Bayesian optimization of composite aircraft wings using various carbon fibers Peer-reviewed

    Yajun Liu, Yoshiaki Abe, Ryosuke Kano, Yuki Yatsu, Katsumi Nakamura, Koji Shimoyama, Tomonaga Okabe, Shigeru Obayashi

    Composite Structures　2026/05

    DOI： 10.1016/j.compstruct.2026.120105 　

  3. Effects of aeroelastic coupling accuracy and geometrical nonlinearity on performances of optimized composite wings Peer-reviewed

    Yajun Liu, Shugo Date, Toshio Nagashima, Tomonaga Okabe, Yoshiaki Abe

    Aerospace Science and Technology　2025/03

    DOI： 10.1016/j.ast.2024.109926 　

  4. Numerical study of low-velocity impact performance of hybrid carbon/Twaron woven fabric Peer-reviewed

    Canyi Huang, Lin Tang, Xiaofang Zheng, Lina Cui, Yajun Liu

    Journal of Engineered Fibers and Fabrics　2025/01

    DOI： 10.1177/15589250241311467 　

  5. Low-velocity impact-resistance of aramid fiber three-dimensional woven textile-reinforced thermoplastic-epoxy composites Peer-reviewed

    Yajun Liu, Toshiaki Natsuki, Daisuke Suzuki, Canyi Huang, Lina Cui, Qing-Qing Ni

    Journal of Thermoplastic Composite Materials　2024/09

    DOI： 10.1177/08927057231216741 　

  6. Study on Low-Velocity Impact Behavior of Twaron® Fabric Subjected to Double-Impactor Impact from a Numerical Analysis Perspective Peer-reviewed

    Canyi Huang, Lina Cui, Yiping Qiu, Yajun Liu

    Fibres & Textiles in Eastern Europe　2023/02/01

    DOI： 10.2478/ftee-2023-0005 　

  7. Effect of woven structure and aramid binder yarn on the flexural performance of carbon/aramid fiber hybrid three‐dimensional woven composites Peer-reviewed

    Yajun Liu, Toshiaki Natsuki, Canyi Huang, Takashi Nakajima, Hong Xia, Qing‐Qing Ni

    Polymer Composites　2022/12

    DOI： 10.1002/pc.27065 　

  8. Development of three-dimensional woven weft interlock carbon-fiber-reinforced plastic composites and experimental investigation on their out-of-plane flexural performance Peer-reviewed

    Yajun Liu, Hong Xia, Toshiaki Natsuki, Qing-Qing Ni

    Journal of Composite Materials　2022/10

    DOI： 10.1177/00219983221122510 　

  9. Experimental Investigation on Low-Velocity Impact Performance of 3D Woven Textile Composites Peer-reviewed

    Yajun Liu, Hong Xia, Qing-Qing Ni

    Applied Composite Materials　29　(1)　121-146　2022/02

    Publisher: Springer Science and Business Media {LLC}

    DOI： 10.1007/s10443-021-10005-0 　

    ISSN： 0929-189X 1573-4897

  10. Research on development of 3D woven textile-reinforced composites and their flexural behavior Peer-reviewed

    Yajun Liu, Canyi Huang, Hong Xia, Qing-Qing Ni

    Materials & Design　212　110267-110267　2021/12

    Publisher: Elsevier {BV}

    DOI： 10.1016/j.matdes.2021.110267 　

    ISSN： 0264-1275

  11. Low-velocity drop weight impact behavior of Twaron® fabric investigated using experimental and numerical simulations Peer-reviewed

    Canyi Huang, Lina Cui, Yajun Liu, Hong Xia, Yiping Qiu, Qing-Qing Ni

    International Journal of Impact Engineering　149　103796-103796　2021/03

    Publisher: Elsevier {BV}

    DOI： 10.1016/j.ijimpeng.2020.103796 　

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Books and Other Publications 1

  1. Advanced Computational Methods, Numerical Tools and Novel Technologies for Sustainable Aeronautics and Transport

    Yajun Liu, Yoshiaki Abe

    Springer Cham　2026/05

Presentations 16

  1. Multidisciplinary Conceptual Design and Analysis of Ammonia-Fueled Composite Aircraft International-presentation

    Yajun Liu, Yoshiaki Abe, Shigeru Obayashi

    17th World Congress on Computational Mechanics & 10th European Congress on Computational Methods in Applied Sciences and Engineering (WCCM-ECCOMAS 2026)　2026/07/23

  2. AI-Driven Design Optimization of Composite Aircraft Wings International-presentation Invited

    Yajun Liu, Yoshiaki Abe

    2nd ASEAN-NEXUS Early Career Researchers (ECRs) Conclave　2026/06/02

  3. Data-Driven Model-Order Reduction of Optimized Wing Geometries of Composite Aircraft International-presentation

    Romain Urbaniak, Yoshiaki Abe, Yajun Liu

    Twenty-second International Conference on Flow Dynamics (ICFD2025)　2025/11

  4. Multi-objective Bayesian optimization of composite aircraft wings International-presentation

    Yajun Liu, Yoshiaki Abe

    Twenty-second International Conference on Flow Dynamics (ICFD2025)　2025/11

  5. Data-driven aeroelastic analysis toward digital aircraft design International-presentation

    Yoshiaki Abe, Yajun Liu, Yuki Yatsu

    CM3-Transport 2025 Technologies for smart and sustainable transport systems　2025/09

  6. Design Optimization of Composite Aircraft Wings Considering coupled Aeroelasticity and Geometrical Nonlinearity International-presentation

    Yajun Liu, Yuki Yatsu, Urbaniak Romain, Toshio Nagashima, Shigeru Obayashi, Yoshiaki Abe

    CM3-Transport 2025 Technologies for smart and sustainable transport systems　2025/09

  7. Geometrically Nonlinear Analysis and Structural Sizing of Composite Aircraft Wings International-presentation

    Yajun Liu, Katsumi Nakamura, Shugo Date, Toshio Nagashima, Yoshiaki Abe

    Twenty-first International Conference on Flow Dynamics (ICFD2024)　2024/11

  8. Multi-objective design of CFRP composite aircraft wing with next generation fibers and resins International-presentation

    Yajun Liu, Tomoki Yamazaki, Shugo Date, Toshio Nagashima, Yoshiaki Abe

    9th European Congress on Computational Method in Applied Science and Engineering (ECCOMAS 2024)　2024/06

  9. Effect of geometrically nonlinearity on the aerodynamic performance and structural sizing of CFRP composite aircraft wings

    Yajun Liu, Tomoki Yamazaki, Shugo Date, Toshio Nagashima, Yoshiaki Abe

    2024/04

  10. Developing 3D woven weft interlock CFRP/CAFRP composites and experimental investigation on their out-of-plane flexural performance International-presentation Invited

    Yajun Liu, Toshiaki Natsuki, Hong Xia, Qing-Qing Ni

    12th Asian-Australasian Conference on Composite Materials (ACCM12)　2023/04

  11. 耐衝撃性三次元織物複合材料の開発とその修復性評価

    鈴木 大輔, 劉 亜軍, 夏木 俊明

    第14 回日本複合材料学会議（JCCM-14）　2023/03

  12. The research on low-velocity impact performance of 3D woven textile composites International-presentation

    Yajun Liu, Hong Xia, Qing-Qing Ni

    China-Japan International Conference on Composites 2021 China-Japan Academic and Technology Exchange Conference on Composite Materials　2021/08

  13. FE investigation of the influence of crimp and inter-yarn friction on the mechanical properties of plain weave fabric under uniaxial/biaxial tensile loading

    Canyi Huang, Qing-Qing Ni, Yajun Liu, Hong Xia

    Annual Autumn Meeting 2019, The Society of Fiber Science and Technology　2019/11

  14. The research on development of 3D textile composites and its bending performance

    Yajun Liu, Hong Xia, Chunhong Zhu, Akio Sagaguchi, Qing-Qing Ni

    Annual Autumn Meeting 2019, The Society of Fiber Science and Technology　2019/11

  15. The research on flexural properties of 3D woven textile composites

    Yajun Liu, Hong Xia, Chunhong Zhu, Akio Sakaguchi, Qing-Qing Ni

    Symposium of Advanced Composites (SAC) 2019　2019/10

  16. Classification and development of 3D woven textile preforms

    Yajun Liu, Qing-Qing Ni

    Proceeding of the 10th International Symposium on High-Tech Fiber Engineering for Young Researchers and Forum of Advanced Functional Fibers for Graduates and Young Researchers　2018/08

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