Publications

Journal Articles

[1]

S. Satomi, M. Jiang, M. Ueda, N. Ichihara, H. Kobayashi, S. Tomita, S. Arita, M. Tanaka, and T. Nomura, “Fiber printing: Functional 3D printing of structural hinges for deformable structures,” Materials & Design, vol. 269, p. 116740, 2026, doi: 10.1016/j.matdes.2026.116740.

[2]

S. Arita, S. Tomita, M. Tanaka, H. Kobayashi, and T. Nomura, “Topology optimization of locally resonant acoustic metamaterial using transfer matrix elements in the design of sound insulation plates,” Journal of Vibration Engineering & Technologies, vol. 14, p. 371, June 2026, doi: 10.1007/s42417-026-02585-7.

[3]

T. Nomura, Y. Zhou, M. Tanaka, H. Kobayashi, C. Yuhn, A. Kawamoto, and Y. Iwano, “Prototyping a CFRP-aluminum automotive frame via multi-component anisotropic topology optimization,” Struct Multidisc Optim, vol. 68, no. 9, p. 186, Sept. 2025, doi: 10.1007/s00158-025-04093-w.

[4]

Y. Sato, C. Yuhn, H. Kobayashi, A. Kawamoto, and T. Nomura, “Computational co-design of structure and feedback controller for locomoting soft robots,” Struct Multidisc Optim, vol. 68, no. 9, p. 185, Sept. 2025, doi: 10.1007/s00158-025-04100-0.

[5]

J. He, T. Zhang, H. Kobayashi, A. Kawamoto, Y. Zhou, T. Nomura, and B. Zhu, “Multi-level partition of unity on differentiable moving particles,” ACM Trans. Graph., vol. 43, no. 6, pp. 1–21, Dec. 2024, doi: 10.1145/3687989.

[6]

H. Kobayashi, K. Nomura, Y. Zhou, M. Tanaka, A. Kawamoto, and T. Nomura, “Shell topology optimization based on level set method,” Struct Multidisc Optim, vol. 67, no. 8, p. 151, Aug. 2024, doi: 10.1007/s00158-024-03873-0.

[7]

H. Kobayashi, F. Gholami, S. M. Montgomery, M. Tanaka, L. Yue, C. Yuhn, Y. Sato, A. Kawamoto, H. J. Qi, and T. Nomura, “Computational synthesis of locomotive soft robots by topology optimization,” Sci. Adv., vol. 10, no. 30, p. eadn6129, July 2024, doi: 10.1126/sciadv.adn6129.

[8]

F. Feng, S. Xiong, H. Kobayashi, Y. Zhou, M. Tanaka, A. Kawamoto, T. Nomura, and B. Zhu, “Nonlinear topology optimization on thin shells using a reduced-order elastic shell model,” Thin-Walled Structures, vol. 197, p. 111566, Apr. 2024, doi: 10.1016/j.tws.2024.111566.

[9]

M. Li, F. Gholami, L. Yue, M. R. Fratarcangeli, E. Black, S. Shimokawa, T. Nomura, M. Tanaka, H. Kobayashi, Y. Song, and H. J. Qi, “Coaxial-spun hollow liquid crystal elastomer fiber as a versatile platform for functional composites,” Advanced Functional Materials, vol. 34, no. 42, p. 2406847, 2024, doi: 10.1002/adfm.202406847.

[10]

C. Yuhn, Y. Sato, H. Kobayashi, A. Kawamoto, and T. Nomura, “4D topology optimization: Integrated optimization of the structure and self-actuation of soft bodies for dynamic motions,” Computer Methods in Applied Mechanics and Engineering, vol. 414, p. 116187, Sept. 2023, doi: 10.1016/j.cma.2023.116187.

[11]

Y. Sato, H. Kobayashi, C. Yuhn, A. Kawamoto, T. Nomura, and N. Kikuchi, “Topology optimization of locomoting soft bodies using material point method,” Struct Multidisc Optim, vol. 66, no. 3, p. 50, Feb. 2023, doi: 10.1007/s00158-023-03502-2.

[12]

F. Feng, S. Xiong, Z. Liu, Z. Xian, Y. Zhou, H. Kobayashi, A. Kawamoto, T. Nomura, and B. Zhu, “Cellular topology optimization on differentiable voronoi diagrams,” International Journal for Numerical Methods in Engineering, vol. 124, no. 1, pp. 282–304, 2023, doi: 10.1002/nme.7121.

[13]

H. Kobayashi, K. Yaji, S. Yamasaki, and K. Fujita, “Topology design of two-fluid heat exchange,” Struct Multidisc Optim, vol. 63, no. 2, pp. 821–834, Feb. 2021, doi: 10.1007/s00158-020-02736-8.

[14]

H. Kobayashi, K. Yaji, S. Yamasaki, and K. Fujita, “Freeform winglet design of fin-and-tube heat exchangers guided by topology optimization,” Applied Thermal Engineering, vol. 161, p. 114020, Oct. 2019, doi: 10.1016/j.applthermaleng.2019.114020.

International Conferences

[1]

T. Nomura, H. Kobayashi, Y. Zhou, and A. Kawamoto, “Manufacturability-aware anisotropic topology optimization for concurrent design of fiber orientation and layup surfaces,” in 7th International Conference on Engineering Optimization (EngOpt2026), Portugal: Instituto Superior Técnico, University of Lisbon, Sept. 2026.

[2]

A. Kawamoto, H. Kobayashi, S. Arita, S. Tomita, J. Nyvang, T. Beijer, M. Tanaka, and T. Nomura, “Topology optimization of industrial origami structures: A sequential design approach with prototype fabrication and testing,” in 7th International Conference on Engineering Optimization (EngOpt2026), Portugal: Instituto Superior Técnico, University of Lisbon, Sept. 2026.

[3]

H. Kobayashi, K. Maehara, C. Yuhn, Y. Sato, A. Kawamoto, T. Nomura, B. Jo, M. Nie, and S. Takeuchi, “Biohybrid machine design via 4D topology optimization with fluid-structure interaction,” in Biohybrid Robotics Symposium 2026, Japan, 2026.

[4]

H. Kobayashi, Y. Takaha, C. Yuhn, Y. Sato, A. Kawamoto, and T. Nomura, “Simultaneous optimization of soft body shape, skeletal structures, and actuation for locomotion,” in 17th World Congress on Computational Mechanics / 10th European Congress on Computational Methods in Applied Sciences and Engineering (WCCM-ECCOMAS 2026), Germany: International Association for Computational Mechanics and ECCOMAS, July 2026.

[5]

S. Satomi, M. Ueda, N. Ichihara, H. Kobayashi, S. Tomita, S. Arita, M. Tanaka, and T. Nomura, “3D printing of a deformable structure using Kevlar fibers for hinges,” in The 2nd JSME International Conference on Materials & Processing (ICM&P 2025), Guam, USA: The Japan Society of Mechanical Engineers, Nov. 2025.

[6]

H. Kobayashi, Y. Takaha, C. Yuhn, Y. Sato, A. Kawamoto, and T. Nomura, “Topology optimization of soft robots with rigid actuators using the material point method and extended position-based dynamics,” in 18th U.S. National Congress on Computational Mechanics (USNCCM18), USA: U.S. Association for Computational Mechanics, July 2025.

[7]

H. Kobayashi, C. Yuhn, Y. Sato, A. Kawamoto, and T. Nomura, “4D topology optimization for pneumatic soft robots: Simultaneous optimization of soft body shape and air valve control,” in The 16th World Congress of Structural and Multidisciplinary Optimization (WCSMO-16), Japan: International Society for Structural and Multidisciplinary Optimization (ISSMO), May 2025.

[8]

Y. Sato, C. Yuhn, H. Kobayashi, A. Kawamoto, and T. Nomura, “Topology optimization of locomoting soft robots with neural network-based controllers,” in The 16th World Congress of Structural and Multidisciplinary Optimization (WCSMO-16), Japan: International Society for Structural and Multidisciplinary Optimization (ISSMO), May 2025.

[9]

C. Yuhn, J. Ma, Y. Hara, H. Kobayashi, Y. Sato, A. Kawamoto, and T. Nomura, “4D topology optimization for magnetically actuated soft robots,” in The 16th World Congress of Structural and Multidisciplinary Optimization (WCSMO-16), Japan: International Society for Structural and Multidisciplinary Optimization (ISSMO), May 2025.

[10]

C. Yuhn, Y. Sato, H. Kobayashi, A. Kawamoto, and T. Nomura, “4D topology optimization: Designing soft robots with complex structures and motions,” in The 16th World Congress of Structural and Multidisciplinary Optimization (WCSMO-16), Japan: International Society for Structural and Multidisciplinary Optimization (ISSMO), May 2025.

[11]

J. He, T. Zhang, H. Kobayashi, A. Kawamoto, Y. Zhou, T. Nomura, and B. Zhu, “Multilevel partition of unity on differentiable moving particles,” in SIGGRAPH Asia 2024, Japan: ACM SIGGRAPH, Dec. 2024.

[12]

H. Kobayashi, F. Gholami, S. M. Montgomery, M. Tanaka, L. Yue, C. Yuhn, Y. Sato, A. Kawamoto, H. J. Qi, and T. Nomura, “Topology optimization of pneumatically-actuated walking/climbing soft robots,” in The 26th International Congress of Theoretical and Applied Mechanics (ICTAM 2024), South Korea: International Union of Theoretical and Applied Mechanics (IUTAM), Aug. 2024.

[13]

Y. Sato, C. Yuhn, H. Kobayashi, A. Kawamoto, and T. Nomura, “Co-designing structure and controller of soft robots for locomotion by topology optimization and neural network,” in The 26th International Congress of Theoretical and Applied Mechanics (ICTAM 2024), South Korea: International Union of Theoretical and Applied Mechanics (IUTAM), Aug. 2024.

[14]

S. Tomita, H. Kobayashi, S. Arita, M. Tanaka, A. Kawamoto, T. Nomura, and T. Tachi, “Topology optimization of deployable structures using ground structures generated by tessellation of origami tubes,” in Annual IASS Symposia, Australia: International Association for Shell and Spatial Structures, Aug. 2024.

[15]

C. Yuhn, Y. Sato, H. Kobayashi, A. Kawamoto, and T. Nomura, “4D topology optimization and its extensions: Designing soft robots with complex structures and motions,” in The 26th International Congress of Theoretical and Applied Mechanics (ICTAM 2024), South Korea: International Union of Theoretical and Applied Mechanics (IUTAM), Aug. 2024.

[16]

Y. Zhou, C. Yuhn, A. Kawamoto, T. Nomura, H. Kobayashi, Y. Ikuta, and Y. Iwano, “Multi-material anisotropic topology optimization: Integrated structure of variable axial CFRP and aluminium inserts,” in The 26th International Congress of Theoretical and Applied Mechanics (ICTAM 2024), South Korea: International Union of Theoretical and Applied Mechanics (IUTAM), Aug. 2024.

[17]

A. Kawamoto, C. Yuhn, Y. Sato, H. Kobayashi, and T. Nomura, “New developments in topology optimization using computer graphics and machine learning techniques,” in 9th European Congress on Computational Methods in Applied Sciences and Engineering, Portugal: ECCOMAS, June 2024.

[18]

H. Kobayashi, C. Yuhn, Y. Sato, A. Kawamoto, and T. Nomura, “Topology optimization and fabrication of soft objects for desired motion using material point method,” in IUTAM Symposium on Mechanics of Soft Materials and Soft Robots, Japan: International Union of Theoretical and Applied Mechanics (IUTAM), May 2024.

[19]

S. Tomita, H. Kobayashi, S. Arita, M. Tanaka, A. Kawamoto, T. Nomura, and T. Tachi, “Topology optimization of rigid-foldable thick origami tessellation,” in IUTAM Symposium on Mechanics of Soft Materials and Soft Robots, Japan: International Union of Theoretical and Applied Mechanics (IUTAM), May 2024.

[20]

H. Kobayashi, Y. Zhou, M. Tanaka, A. Kawamoto, and T. Nomura, “Level set based optimization method for thin-walled structures using shell elements,” in The 15th World Congress of Structural and Multidisciplinary Optimization (WCSMO-15), Ireland: International Society for Structural and Multidisciplinary Optimization (ISSMO), June 2023.

[21]

Y. Sato, F. H. Chang, C. Yuhn, H. Kobayashi, A. Kawamoto, and T. Nomura, “Simultaneous optimization of structure and closed-loop controller for locomoting soft bodies under environmental uncertainty,” in The 15th World Congress of Structural and Multidisciplinary Optimization (WCSMO-15), Ireland: International Society for Structural and Multidisciplinary Optimization (ISSMO), June 2023.

[22]

C. Yuhn, Y. Sato, H. Kobayashi, A. Kawamoto, and T. Nomura, “Simultaneous design of the shape and movement of actively moving soft bodies with topology optimization,” in The 15th World Congress of Structural and Multidisciplinary Optimization (WCSMO-15), Ireland: International Society for Structural and Multidisciplinary Optimization (ISSMO), June 2023.

[23]

H. Kobayashi, Y. Zhou, and T. Nomura, “Topology optimization of thin-walled structures with body conformal adaptive meshing,” in 15th World Congress on Computational Mechanics, Japan: International Association for Computational Mechanics, Aug. 2022.

[24]

H. Kobayashi, K. Yaji, S. Yamasaki, and K. Fujita, “Topology optimization of two fluids separated by a wall for heat exchanger design,” in The 7th Asian Pacific Congress on Computational Mechanics, Taiwan: Asian Pacific Association for Computational Mechanics, Dec. 2019.

[25]

H. Kobayashi, K. Yaji, S. Yamasaki, and K. Fujita, “Computational design of a heat exchanger with topology optimization,” in 2018 Asian Conference on Design and Digital Engineering, Japan: The Japan Society of Mechanical Engineers, Nov. 2018.

[26]

H. Kobayashi, K. Yaji, S. Yamasaki, and K. Fujita, “Innovative topology design for a fin-and-tube heat exchanger,” in Asian Congress of Structural and Multidisciplinary Optimisation, China: Asian Society for Structural and Multidisciplinary Optimization, May 2018.

Domestic Conferences

[1]

S. Satomi, M. Jiang, M. Ueda, N. Ichihara, H. Kobayashi, S. Tomita, S. Arita, M. Tanaka, and T. Nomura, “ケブラー繊維をヒンジに用いた可動構造の3Dプリント,” in M&M2026材料力学カンファレンス, 日本機械学会, Sept. 2026.

[2]

富田 直, 小林 広輝, 有田 祥子, 田中 真人, 川本 敦史, 野村 壮史, and 舘 知宏, “モジュール化されたヒンジ付きパネルによる大型折紙構造,” in Dynamics and Design Conference 2026 (D&D2026), 日本機械学会, 2026.

[3]

尹 彰永, 佐藤 勇気, 秋田 翔太, 小林 広輝, 吉田 広顕, 川本 敦史, and 野村 壮史, “遊泳ソフトロボットの設計に向けたLBM–MPM連成に基づく4Dトポロジー最適化,” in 第36回設計工学・システム部門講演会, 日本機械学会, Aug. 2026.

[4]

K. Maehara, H. Kobayashi, C. Yuhn, A. Kawamoto, T. Nomura, B. Jo, M. Nie, and S. Takeuchi, “4Dトポロジー最適化を用いて設計されたバイオハイブリッドロボット,” in 化学とマイクロ・ナノシステム学会 第53回研究会（CHEMINAS 53）, 化学とマイクロ・ナノシステム学会, 2026.

[5]

K. Maehara, H. Kobayashi, C. Yuhn, A. Kawamoto, T. Nomura, B. Jo, M. Nie, and S. Takeuchi, “4Dトポロジー最適化を用いたバイオハイブリッドロボットの構造設計,” in 第16回マイクロ・ナノ工学シンポジウム, 日本機械学会, Nov. 2025.

[6]

富田 直, 小林 広輝, 有田 祥子, 田中 真人, 川本 敦史, 野村 壮史, and 舘 知宏, “厚みのある折紙チューブのテッセレーション構造のトポロジー最適化とファブリケーション方法の提案,” in 第35回設計工学・システム部門講演会, 日本機械学会, Sept. 2025.

[7]

富田 直, 小林 広輝, 有田 祥子, 田中 真人, 川本 敦史, 野村 壮史, and 舘 知宏, “厚みのある折紙チューブのテッセレーションで生成したグランドストラクチャによる展開構造物のトポロジー最適化,” in 日本機械学会東海支部第74期総会・講演会, 日本機械学会, Mar. 2025.

[8]

小林 広輝, 尹 彰永, 佐藤 勇気, 川本 敦史, and 野村 壮史, “時間的に変化する配管内流れを考慮した空気圧駆動ソフトロボットのトポロジー最適化,” in 第15回最適化シンポジウム（OPTIS2024）, 日本機械学会 (JSME), Oct. 2024.

[9]

小林 広輝, S. M. Montgomery, F. Gholami, 田中 真人, L. Yue, H. J. Qi, and 野村 壮史, “歩行・登攀するソフトロボットのトポロジー最適化と3Dプリンティングによる実証,” in 2023年度 日本付加製造学会講演会, 一般社団法人 日本付加製造学会, Dec. 2023.

[10]

小林 広輝, S. M. Montgomery, F. Gholami, 田中 真人, L. Yue, H. J. Qi, and 野村 壮史, “空気圧によって歩行・登攀するソフトロボットのトポロジー最適化,” in 第36回計算力学講演会, 日本機械学会 (JSME), Oct. 2023.

[11]

尹 彰永, 佐藤 勇気, 小林 広輝, 川本 敦史, and 野村 壮史, “4Dトポロジー最適化：ソフトボディの構造とアクチュエーションの同時最適化による運動の発見,” in 第33回設計工学・システム部門講演会, 日本機械学会, Sept. 2023.

[12]

小林 広輝, 川本 敦史, and 野村 壮史, “レベルセット法に基づくフリーフォームシェル構造最適化,” in 第14回最適化シンポジウム2022 (OPTIS2022), 日本機械学会 (JSME), Nov. 2022.

[13]

小林 広輝, 矢地 謙太郎, 山﨑 慎太郎, and 藤田 喜久雄, “簡略化モデルを用いたトポロジー最適化の先導によるフィンアンドチューブ型熱交換器の設計,” in 第13回最適化シンポジウム（OPTIS2018）, 日本機械学会 (JSME), Oct. 2018.