Talks

Yaji K. Toward Data-driven Morphogenesis—Gradient-free Topology Optimization for Complex Problems. Asian Congress of Structural and Multidisciplinary Optimization, No. 2A4-3, Zhengzhou, May 2024. Asian Society of Structural and Multidisciplinary Optimization.

Yaji K. Invitation to topology optimization for fluid problems—from traditional to AI-based approaches—. 第2回関東地区応用力学フォーラム, 東京, March 2024. 土木学会応用力学委員会.

王岩, 矢地謙太郎. 新旧の機械学習を用いた表面テクスチャリングの最適化への取り組み. 第65回研究会「“超”を目指す軸受技術研究会」, 京都, December 2023. 日本トライボロジー学会.

矢地謙太郎. トポロジー最適化で導く新奇な熱交換器. 「カーボンニュートラルに向けた先進熱交換技術に関する調査研究」第8期第7回委員会, 京都, December 2023. 日本冷凍空調学会.

矢地謙太郎. データ駆動型トポロジー最適化―次元に呪われないメタヒューリスティクスの実現に向けて―. 第13回計算力学シンポジウム, 東京, December 2023. 日本学術会議.

矢地謙太郎. トポロジー最適化に見る生物の形態形成と機能発現. 第33回バイオフロンティア講演会, 神戸, December 2022. 日本機械学会バイオエンジニアリング部門.

Yaji K. Topology optimization incorporating the adjoint lattice Boltzmann method for steady and unsteady natural convection problems. 15th World Congress on Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics, Online, July 2022. Apacm, iacm JSCES, JACM.

矢地謙太郎. トポロジー最適化とニューラルネットワークを利用したデータ駆動型設計. 第5回「解析・設計の代替モデリング研究会」, 東京, July 2022. 日本機械学会計算力学部門.

矢地謙太郎. 伝熱問題のためのトポロジー最適化. 第29期第1回講演討論会, April 2022. 日本伝熱学会関西支部.

Yaji K. Topology optimization of fluid-fluid heat exchange systems. 2022 ASHRAE Winter Conference, Las Vegas, February 2022. ASHRAE.

矢地謙太郎. トポロジー最適化による新奇な熱交換器設計. 3D積層造形技術委員会, September 2021. 日本溶接協会.

矢地謙太郎. トポロジー最適化に対するデータ駆動型マルチフィデリティ設計の秘める可能性〜熱流体問題への展開〜. 研究部会「数理設計」第21回研究集会, 大阪, December 2020. 日本応用数理学会.

Yaji K., Yamasaki S., and Fujita K. Multifidelity design guided by topology optimization. TOP Webinar, Zoom, July 2020. International Society for Structural and Multidisciplinary Optimization.

矢地謙太郎. 流れ場のトポロジー最適化の基礎と工学設計への展開. 第94期第2回支部専門部会, 大阪, February 2019. 日本機械学会関西支部.

Tsushima S., Suzuki T., Matsumoto H., Yaji K., Yamasaki S., and Fujita K. Designing and fabricating engineered electrodes and flow fields in redox flow batteries. 2018 MRS Fall Meeting and Exhibit, Boston, November 2018. Material Research Society.

Yaji K. Topology optimization for flow field designs. GSIS International Summer School 2018, Sendai, August 2018. Tohoku University.

Yaji K. Topology optimization for scalar transport with application to flow channel designs. International Conference CoMFoS18: Mathematical Analysis of Continuum Mechanics, Kyoto, June 2018. The Japan Society for Industrial and Applied Mathematics.

Yaji K. Fluid topology optimization and applications in flow channel designs. The 8th Korea-Japan Workshop on Computational Mechanics, Nagoya, June 2018. The Japan Society for Computational Engineering and Science.

矢地謙太郎. 格子ボルツマン法を利用した流れ場のトポロジー最適化. 第31回計算数理工学フォーラム, 東京, September 2016. 日本計算数理工学会.

矢地謙太郎. LBMを利用したトポロジー最適化手法とスカラー輸送を考慮した流路設計への展開. 第24回LBM研究会「格子ボルツマン法の基礎と応用に関する研究会」, 横浜, December 2015. 日本機械学会.

Sato Y., Yaji K., Izui K., Yamada T., and Nishiwaki S. A multiobjective topology optimization method for Tesla valve design. 3rd International Workshops on Advances in Computational Mechanics, No. OW1-2-2, Tokyo, October 2015. The Japan Society for Computational Engineering and Science.

矢地謙太郎. 非定常問題を取り扱うトポロジー最適化における随伴変数法に基づく感度解析について. 2015年度日本機械学会年次大会, 札幌, September 2015. 日本機械学会.

Yaji K. Topology optimization for design of flow channel. Seminaires (Methodes Numériques), Paris, June 2014. Laboratoire Jacques-Louis Lions.

Ou I., and Yaji K. Topology optimization for surface textured mechanical seals. 9th International Tribology Conference, Fukuoka, September 2023 (accepted).

Yaji K. and Bui-Thanh T. Multifidelity topology design on the probabilistic principal component analysis. 15th World Congress of Structural and Multidisciplinary Optimization, No. 436, Cork, June 2023.

Yaji K. and Bui-Thanh T. Accelerating multifidelity topology design using neural networks. Asian Congress of Structural and Multidisciplinary Optimization, No. p0147, Matsue, May 2022.

Ohtani K., Yaji K., Yamasaki S., and Fujita K. Application of data-driven multifidelity topology design to natural convection heat sinks. Asian Congress of Structural and Multidisciplinary Optimization, No. p0176, Matsue, May 2022.

Yaji K., Yamasaki S., and Fujita K. Data-driven multifidelity topology design using variational autoencoder in thermal-fluid problems. 14th World Congress on Structural and Multidisciplinary Optimization, Online, June 2021.

Yamasaki S., Yaji K., and Fujita K. Data-driven topology design: A possibility of sensitivity-free structural optimization by deep generative models. 14th World Congress on Structural and Multidisciplinary Optimization, Online, June 2021.

Imamura K., Yamasaki S., Yaji K., and Fujita K. An innovative design method of tire tread patterns by deep generative model and elitist multi-objective search. 14th World Congress on Structural and Multidisciplinary Optimization, Online, June 2021.

Yaji K., Yamasaki S., and Fujita K. A data-driven framework of multifidelity topology design using variational autoencoder in thermal-fluid problems. SIAM Conference on Computational Science and Engineering (CSE21), Online, March 2021.

Yamasaki S., Yaji K., and Fujita K. Deep learning-based performance estimation of dataset generated by topology optimization. Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE2020), Online, December 2020.

Yaji K., Yamasaki S., Tsushima S., and Fujita K. A framework of multi-fidelity design guided by topology optimization: application to flow field designs for redox flow Batteries. Asia Pacific Congress on Computational Mechanics 2019, Taipei, December 2019.

Yamasaki S., Yaji K., and Fujita K. Deep learning-based performance estimation of dataset generated by topology optimization. Asia Pacific Congress on Computational Mechanics 2019, Taipei, December 2019.

Kobayashi H., Yaji K., Yamasaki S., and Fujita K. Topology optimization of two fluids separated by a wall for heat exchanger design. Asia Pacific Congress on Computational Mechanics 2019, Taipei, December 2019.

Chen C., Yaji K., and Liu C. Topology optimization for gas-particle flows with Euler-Euler approach. Asia Pacific Congress on Computational Mechanics 2019, Taipei, December 2019.

Yaji K., Chen C., Yamasaki S., Tsushima S., and Fujita K. Freeform design of flow channels in redox flow batteries by topology optimization. 8th International Conference on Computational Methods for Coupled Problems in Science and Engineering, Barcelona, June 2019.

Kobayashi H., Yaji K., Yamasaki S., and Fujita K. Computational design of a heat exchanger with topology optimization. The Asian Conference on Design and Digital Engineering, Yomitanson, November 2018.

Yaji K., Yamasaki S., and Fujita K. Topology design via physics-based surrogate optimization for complex fluid problems. 6th European Conference on Computational Mechanics, 7th European Conference on Computational Fluid Dynamics, Glasgow, June 2018.

Nomura K., Bo H., Yamasaki S., Yaji K., Takahashi A., Kojima T., and Fujita K. Conductor pattern optimization for electromagnetic interference filter of a double-sided circuit board. Asian Congress of Structural and Multidisciplinary Optimization, No. 2A4-3, Dalian, May 2018.

Maruyama S., Yamasaki S., Yaji K., and Fujita K. Concurrent optimization using metamodeling for structural topology and component layout. Asian Congress of Structural and Multidisciplinary Optimization, No. 3B2-3, Dalian, May 2018.

Kobayashi H., Yaji K., Yamasaki S., and Fujita K. Innovative topology design for a fin-and-tube heat exchanger. Asian Congress of Structural and Multidisciplinary Optimization, No. 2B1-2, Dalian, May 2018.

Yaji K., Yamasaki S., Tsushima S., Suzuki T., and Fujita K. Optimum channel design of a redox flow battery via topology optimization. 12th World Congress on Structural and Multidisciplinary Optimization, No. 405, Braunschweig, June 2017.

Chen C., Yaji K., Yamada T., Izui K., and Nishiwaki S. Topology optimization of periodic flows using the local in time method and the lattice Boltzmann method. 12th World Congress on Structural and Multidisciplinary Optimization, No. 221, Braunschweig, June 2017.

Yaji K. Topology optimization for fluid dynamics problems and its applications in flow channel design. 5th International Conference on Continuous Optimization.

Sato Y., Yaji K., Izui K., Yamada T., and Nishiwaki S. Topology optimization of a no-moving-part valve based on a multiobjective formulation. 12th World Congress on Computational Mechanics, No. 150991, Seoul, July 2016.

Orii M., Yaji K., Yamada T., Izui K., and Nishiwaki S. A shape optimization method based on the convected level set method and its application for the design of a spectrally selective emitter for thermophotovoltaic generation. Asian Congress of Structural and Multidisciplinary Optimization, No. 2A3-2, Nagasaki, May 2016.

Kubo S., Koguchi A., Yaji K., Yamada T., Izui K., and Nishiwaki S. Level set-based topology optimization method for fluid problem incorporating with an immersed boundary method. Asian Congress of Structural and Multidisciplinary Optimization, No. 3A2-2, Nagasaki, May 2016.

Tanaka R., Yaji K., Yamada T., Izui K., and Nishiwaki S. A level set based topology optimization method for micropump design utilizing induced-charge electro-osmosis. 11th World Congress on Structural and Multidisciplinary Optimization, No. 1148, Sydney, June 2015.

Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., and Nishiwaki S. Level set-based topology optimization for a coupled thermal-fluid problem using the Lattice Boltzmann Method. 11th World Congress on Computational Mechanics, Barcelona, July 2014.

Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., and Nishiwaki S. Topology optimization incorporating level set boundary expressions for incompressible viscous fluid using the lattice Boltzmann method. 1st International Conference on Engineering and Applied Sciences Optimization, No. 3389, Kos, June 2014.

Kubo S., Yaji K., Yamada T., Izui K., and Nishiwaki S. Topology optimization of hydrodynamic microfluidic mixer based on the level-set based boundary expression. In 1st International Conference on Engineering and Applied Sciences Optimization, No. 3251, Kos, June 2014.

Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., and Nishiwaki S. Level set-based topology optimization for design of a fluid channel considering thermal effects using the lattice Boltzmann method. 8th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, No. T2A-3-151, Gyeongju, May 2014.

Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., and Nishiwaki S. Level set-based topology optimization method for flow channel problem using lattice Boltzmann method. 5th Asia Pacific Congress on Computational Mechanics, No. 1517, Singapore, December 2013.

Kubo S., Yaji K., Yamada T., Izui K., and Nishiwaki S. Flow rate constrained topology optimization of manifold with level set-based boundary representation. 5th Asia Pacific Congress on Computational Mechanics, No. 1922, Singapore, December 2013.

Kubo S., Yaji K., Yamada T., Izui K., and Nishiwaki S. Level set based topology optimization of switching fluidic devices for incompressible viscous flow. 10th World Congress on Structural and Multidisciplinary Optimization, No. 5328, Florida, May 2013.

Yaji K., Yamada T., Kubo S., Izui K., and Nishiwaki S. A topology optimization method under Oseen flow based on the level set method. ICOM/JASCOME Symposium, No. J02, Kyoto, December 2012.

Kubo S., Yaji K., Yamada T., Izui K., and Nishiwaki S. Topology optimization of steady incompressible viscous flow for fluidic devices. JSME-CMD International Computational Mechanics Symposium, Kobe, October 2012.

Yaji K., Yamada T., Izui K., and Nishiwaki S. Level set-based topology optimization of an internal flow problem in an incompressible viscous fluid. KSME-JSME Joint Symposium on CM & CAE 2012, No. CO-JP-8, Kanazawa, September 2012.