Ohtani K., Kawabe H., Yaji K., Fujita K. Multifidelity topology design for turbulent heat transfer problems using a Darcy flow model incorporating pseudo-boundary layer. Journal of Mechanical Design, Vol. **, No. **, p. **, 2025 (in press).
Hirotani S., Yaji K., Makihara K., Otsuka K., Data-driven real-time topology optimization using consistent rotation-based moving morphable components. AIAA Journal, Vol. 63, No. 10, pp. 4491–4497, 2025. DOI: 10.2514/1.J065458
Yang Y., Yaji K., Yamasaki S., Fujita K., Image fragmented learning for data-driven topology design. Structural and Multidisciplinary Optimization, Vol. 68, No. 148, 2025. DOI: 10.1007/s00158-025-04054-3
Xu S., Kawabe H., Yaji K., Evolutionary de-homogenization using a generative model for optimizing solid-porous infill structures considering the stress concentration issue. Materials & Design, Vol. 257, p. 114380, 2025. DOI: 10.1016/j.matdes.2025.114380
Doddamani H., Ikematsu R., Tada M., Yaji K., Performance enhancement of variously shaped ribbed wall microchannel through topology optimization. Case Studies in Thermal Engineering, Vol. 73, p. 106700, 2025. DOI: 10.1016/j.csite.2025.106700
Kii T., Yaji K., Teramoto H., Fujita K. Data-driven topology design with persistent homology for enhancing population diversity. International Journal of Mechanical Sciences, Vol. 301, p. 110493, 2025. DOI: 10.1016/j.ijmecsci.2025.110493
Urata K., Tsumoto R., Yaji K., Fujita K. Data-driven morphological exploration and shape optimization for turbulent pipe systems. Journal of Mechanical Design, Vol. 147, No. 9, p. 091704, 2025. DOI: 10.1115/1.4068984
Yang J., Yaji K., Yamasaki S. Data-driven topology design based on principal component analysis for 3D structural design problems. Structural and Multidisciplinary Optimization, Vol. 68, No. 103, 2025. DOI: 10.1007/s00158-025-04036-5
Luo J., Chen L., Yaji K., Tao W., Improved adjoint lattice Boltzmann method for topology optimization of laminar convective heat transfer. International Journal of Heat and Mass Transfer, Vol. 251, p. 127315, 2025. DOI: 10.1016/j.ijheatmasstransfer.2025.127315
Tanabe Y., Yaji K., Ushijima K. Adjoint lattice kinetic scheme for topology optimization in fluid problems. Journal of Computational Physics, Vol. 533, p. 114001, 2025. DOI: 10.1016/j.jcp.2025.114001
Tsumoto R., Yaji K., Nomaguchi Y., Fujita K. Deep concept identification for generative design. Advanced Engineering Informatics, Vol. 65, p. 103354, 2025. DOI: 10.1016/j.aei.2025.103354
Chen C., Yaji K. Topology optimization for microchannel heat sinks with nanofluids using an Eulerian-Eulerian approach. International Journal of Heat and Mass Transfer, Vol. 243, p. 126870, 2025. DOI: 10.1016/j.ijheatmasstransfer.2025.126870
Xu S., Liu J., He D., Tang K., Yaji K. Self-support structure topology optimization for multi-axis additive manufacturing incorporated with curved layer slicing, Computer Methods in Applied Mechanics and Engineering, Vol. 438, Part B, p. 117841, 2025. DOI: 10.1016/j.cma.2025.117841
Chen C., Yaji K. Topology optimization for Eulerian-Eulerian particle flow using a finite difference method. Computers & Fluids, Vol. 291, p. 106573, 2025. DOI: 10.1016/j.compfluid.2025.106573
Kato M., Kii T., Yaji K., Fujita K. Maximum stress minimization via data-driven multifidelity topology design. Journal of Mechanical Design, Vol. 147, No. 8, p. 081702, 2025. DOI: 10.1115/1.4067750
Kawabe H., Yaji K., Aoki Y. Data-driven multifidelity topology design with multi-channel variational auto-encoder for concurrent optimization of multiple design variable fields, Computer Methods in Applied Mechanics and Engineering, Vol. 437, p. 117772, 2025. DOI: 10.1016/j.cma.2025.117772
Luo J., Yaji K., Chen L., Tao W., Data-driven multifidelity topology design for enhancing turbulent natural convection cooling. International Journal of Heat and Mass Transfer, Vol. 240, p. 126659, 2025. DOI: 10.1016/j.ijheatmasstransfer.2024.126659
Luo J., Yaji K., Chen L., Tao W., Data-driven multi-fidelity topology design of fin structures for latent heat thermal energy storage. Applied Energy, Vol. 377, Part C, p. 124596, 2025. DOI: 10.1016/j.apenergy.2024.124596
Zhang P., Sheil B., Girolami M., Yaji K., Yin Z. A novel consolidation analysis framework: Universal function approximators regularized by physical principles. Canadian Geotechnical Journal, Vol. 62, pp. 1–17, 2025. DOI: 10.1139/cgj-2023-0567
Xu S., Liu J., Yaji K., Lu L. Topology optimization for hybrid additive-subtractive manufacturing incorporating dynamic process planning, Computer Methods in Applied Mechanics and Engineering, Vol. 431, p. 117270, 2024. DOI: 10.1016/j.cma.2024.117270
Kii T., Yaji K., Fujita K., Zhenghui S., Seepersad C.C. Latent crossover for data-driven multifidelity topology design. Journal of Mechanical Design, Vol. 146, No. 5, p. 051713, 2024. DOI: 10.1115/1.4064979
Tanabe Y., Yaji K., Ushijima K. Topology optimization using the lattice Boltzmann method for unsteady natural convection problems. Structural and Multidisciplinary Optimization, Vol. 66, No. 103, 2023. DOI: 10.1007/s00158-023-03522-y
Yodono T., Yaji K., Yamada T., Furuta K., Izui K., Nishiwaki S. Topology optimization for the elastic field using the lattice Boltzmann method. Computers and Mathematics with Applications, Vol. 110, pp. 123–134, 2021. DOI: 10.1016/j.camwa.2022.01.032
Yaji K., Yamasaki S., Fujita K. Data-driven multifidelity topology design using a deep generative model: Application to forced convection heat transfer problems, Computer Methods in Applied Mechanics and Engineering, Vol. 388, No. 3, p. 114284, 2022. DOI: 10.1016/j.cma.2021.114284
Dong X., Yaji K., Liu X. Optimum design of micromixer for a non-Newtonian fluid by topology optimization. Chemical Engineering Journal, Vol. 428, p. 131367, 2022. DOI: 10.1016/j.cej.2021.131367
Kubo S., Koguchi A., Yaji K., Yamada T., Izui K., Nishiwaki S., Level set-based topology optimization for two dimensional turbulent flow using an immersed boundary method, Journal of Computational Physics, Vol. 446, p. 110630, 2021. DOI: 10.1016/j.jcp.2021.110630
Xie S., Yaji K., Takahashi T., Isakari H., Yoshino M., Matsumoto T. Topology optimization of Navier-Stokes flow using lattice kinetic scheme. Computers and Mathematics with Applications, Vol. 97, pp. 251–266, 2021. DOI: 10.1016/j.camwa.2021.05.032
Sakashita M., Yamasaki S., Yaji K., Kawamoto A., Kondo S. Three-dimensional topology optimization model to simulate variation in bone external shapes. PLOS Computational Biology, Vol. 17, No. 6, p. e1009043, 2021. DOI: 10.1371/journal.pcbi.1009043
Yamasaki S., Yaji K., Fujita K. Data-driven topology design using a deep generative model. Structural and Multidisciplinary Optimization, Vol. 64, No. 3, pp. 1401–1420, 2021. DOI: 10.1007/s00158-021-02926-y
Kobayashi H., Yaji K., Yamasaki S., Fujita K. Topology design of two-fluid heat exchange. Structural and Multidisciplinary Optimization, Vol. 63, No. 2, pp. 821–834, 2021. DOI: 10.1007/s00158-020-02736-8
Maruyama S., Yamasaki S., Yaji K., Fujita K. Topology optimization incorporating external variables with metamodeling. Structural and Multidisciplinary Optimization, Vol. 62, pp. 2455–2466, 2020. DOI: 10.1007/s00158-020-02616-1
Nguyen T., Isakari H., Takahashi T., Yaji K., Yoshino M., Matsumoto T. Level-set based topology optimization of transient flow using lattice Boltzmann method considering oscillating flow condition. Computers and Mathematics with Applications, Vol. 80, No. 1, pp. 82–108, 2020. DOI: 10.1016/j.camwa.2020.03.003
Yaji K., Yamasaki S., Fujita K. Multifidelity design guided by topology optimization. Structural and Multidisciplinary Optimization, Vol. 61, No. 3, pp. 1071–1085, 2020. DOI: 10.1007/s00158-019-02406-4
Chen C., Yaji K., Yamasaki S., Tsushima S., Fujita K. Computational design of flow fields for vanadium redox flow batteries via topology optimization. Journal of Energy Storage, Vol. 26, p. 100990, 2019. DOI: 10.1016/j.est.2019.100990
Kobayashi H., Yaji K., Yamasaki S., Fujita K. Freeform winglet design of fin-and-tube heat exchangers guided by topology optimization. Applied Thermal Engineering, Vol. 161, p. 114020, 2019. DOI: 10.1016/j.applthermaleng.2019.114020
Nomura K., Yamasaki S., Yaji K., Bo H., Takahashi A., Kojima T., Fujita K. Topology optimization of conductors in electrical circuit. Structural and Multidisciplinary Optimization, Vol. 59, No. 6, pp. 2205–2225, 2019. DOI: 10.1007/s00158-018-02187-2
Yamasaki S., Yaji K., Fujita K. Knowledge discovery in databases for determining formulation in topology optimization. Structural and Multidisciplinary Optimization, Vol. 59, No. 2, pp. 595–611, 2019. DOI: 10.1007/s00158-018-2086-0
Nomura K., Kondoh T., Ishikawa T., Yamasaki S., Yaji K., Fujita K. Doping profile optimization for power devices using topology optimization. IEEE Transactions on Electron Devices, Vol. 65, No. 9, pp. 3869–3877, 2018. DOI: 10.1109/TED.2018.2854637
Yaji K., Ogino M., Chen C., Fujita K. Large-scale topology optimization incorporating local-in-time adjoint-based method for unsteady thermal-fluid problem. Structural and Multidisciplinary Optimization, Vol. 58, No. 2, pp. 817–822, 2018. DOI: 10.1007/s00158-018-1922-6
Yaji K., Yamasaki S., Tsushima S., Suzuki T., Fujita K. Topology optimization for the design of flow fields in a redox flow battery. Structural and Multidisciplinary Optimization, Vol. 57, No. 2, pp. 535–546, 2018. DOI: 10.1007/s00158-017-1763-8
Sato Y., Yaji K., Izui K., Yamada T., Nishiwaki S. An optimum design method for a thermal-fluid device incorporating multiobjective topology optimization with an adaptive weighting scheme. Journal of Mechanical Design, Vol. 140, No. 3, p. 031402, 2018. DOI: 10.1115/1.4038209
Sato Y., Yaji K., Izui K., Yamada T., Nishiwaki S. Topology optimization of a no-moving-part valve incorporating Pareto frontier exploration. Structural and Multidisciplinary Optimization, Vol. 56, No. 4, pp. 839–851, 2017. DOI: 10.1007/s00158-017-1690-8
Chen C., Yaji K., Yamada T., Izui K., Nishiwaki S. Local-in-time adjoint-based topology optimization of unsteady fluid flows using the lattice Boltzmann method. Mechanical Engineering Journal, Vol. 4, No. 3, pp. 17–00120, 2017. DOI: 10.1299/mej.17-00120
Furuta K., Izui K., Yaji K., Yamada T., Nishiwaki S. Level set-based topology optimization for the design of a Peltier effect thermoelectric actuator. Structural and Multidisciplinary Optimization, Vol. 55, No. 5, pp. 1671–1683, 2017. DOI: 10.1007/s00158-016-1609-9
Kubo S., Yaji K., Yamada T., Izui K., Nishiwaki S. A level set-based topology optimization method for optimal manifold designs with flow uniformity in plate-type microchannel reactors. Structural and Multidisciplinary Optimization, Vol. 55, No. 4, pp. 1311–1327, 2017. DOI: 10.1007/s00158-016-1577-0
Yaji K., Otomori M., Yamada T., Izui K., Nishiwaki S., Pironneau O. Shape and topology optimization based on the convected level set method. Structural and Multidisciplinary Optimization, Vol. 54, No. 3, pp. 659–672, 2016. DOI: 10.1007/s00158-016-1444-z
Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., Nishiwaki S. Topology optimization in thermal fluid flow using the lattice Boltzmann method. Journal of Computational Physics, Vol. 307, pp. 355–377, 2016. DOI: 10.1016/j.jcp.2015.12.008
Yaji K., Yamada T., Kubo S., Izui K., Nishiwaki S. A topology optimization method for a coupled thermal-fluid problem using level set boundary expressions. International Journal of Heat and Mass Transfer, Vol. 81, pp. 878–888, 2015. DOI: 10.1016/j.ijheatmasstransfer.2014.11.005
Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., Nishiwaki S. Topology optimization using the lattice Boltzmann method incorporating level set boundary expressions. Journal of Computational Physics, Vol. 274, pp. 158–181, 2014. DOI: 10.1016/j.jcp.2014.06.004
Kawabe H., Yaji K., Fukunishi R., Ogawara A. Topologically optimized two-fluid heat exchangers for rocket engines. Proceedings of the AIAA SCITECH 2025 Forum, No. AIAA 2025-0970, Orlando, January 2025. DOI: 10.2514/6.2025-0970
Ohtani K., Yaji K., Fujita K. Multifidelity topology design for turbulent heat transfer problems using a Darcy flow model incorporating pseudo-boundary layer. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2024-143380, Washington, August 2024. DOI: 10.1115/DETC2024-143380
Urata K., Tsumoto R., Yaji K., Fujita K. Multi-stage optimal design for turbulent pipe systems by data-driven morphological exploration and evolutionary shape optimization. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2024-143383, Washington, August 2024. DOI: 10.1115/DETC2024-143383
Kii T., Yaji K., Fujita K., Zhenghui S., Seepersad C.C. Data-driven multifidelity topology design with a latent crossover operation. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2023-111079, Boston, August 2023. DOI: 10.1115/DETC2023-111079
Kato M., Kii T., Yaji K., Fujita K. Tackling an exact maximum stress minimization problem with gradient-free topology optimization incorporating a deep generative model. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2023-111265, Boston, August 2023. DOI: 10.1115/DETC2023-111265
Tsumoto R., Fujita K., Nomaguchi Y., Yamasaki S., Yaji K. Classification-directed conceptual structure design based on topology optimization. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2022-88548, Online, August 2022. DOI: 10.1115/DETC2022-88548
Fujita K., Minowa K., Nomaguchi Y., Yamasaki S., Yaji K. Design concept generation with variational deep embedding over comprehensive optimization. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2021-69544, Online, August 2021. DOI: 10.1115/DETC2021-69544
Minowa K., Fujita K., Nomaguchi Y., Yamasaki S., Yaji K. Variational deep embedding mines concepts from comprehensive optimal designs. Proceedings of Ninth International Conference on Design Computing and Cognition, Atlanta, December 2020.
Nomura K., Takahashi A., Kojima T., Yamasaki S., Yaji K., Bo H., Fujita K. Topology-Optimization-Based EMC Design. Proceedings of EMC Europe 2019, Barcelona, September 2019. DOI: 10.1109/EMCEurope.2019.8871981
Yaji K., Yamasaki S., Fujita K. A framework of multi-fidelity topology design and its application to optimum design of flow fields in battery systems. Proceedings of the ASME Design Engineering Technical Conference, No. IDETC2019-97675, Anaheim, August 2019. DOI: 10.1115/DETC2019-97675
Yaji K. Topology optimization for porous cooling systems. Itou H., Hirano S., Kimura M., Kovtunenko V. A., Khludnev A. M. eds., International Conference Continuum Mechanics Focusing on Singularities, pp. 147–156. Springer, 2018. DOI: 10.1007/978-981-15-6062-0_10
Yaji K., Yamasaki S., Fujita K. Topology design via physics-based surrogate optimization for turbulent heat transfer. Proceedings of Asian Congress of Structural and Multidisciplinary Optimization, No. 1B2-4, Dalian, May 2018.
Kubo S., Koguchi A., Yaji K., Yamada T., Izui K., Nishiwaki S. A level-set based topology optimization method for incompressible flow incorporating with an immersed boundary method. Proceedings of EUROGEN 2017, No. 039, Madrid, September 2017.
Yamasaki S., Yaji K., Fujita K. Knowledge discovery in dataset generated by topology optimization. Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization, No. 428, Braunschweig, June 2017. DOI: 10.1007/978-3-319-67988-4_87
Nomura K., Kondoh T., Ishikawa T., Yamasaki S., Yaji K., Fujita K. Topology optimization of power semiconductor devices. Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization, No. 406, Braunschweig, June 2017. DOI: 10.1007/978-3-319-67988-4_126
Maruyama S., Yamasaki S., Yaji K., Fujita K. Integrated design of permanent magnet synchronous motor by incorporating magnet layout and yoke topology optimizations. Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization, No. 418, Braunschweig, June 2017. DOI: 10.1007/978-3-319-67988-4_128
Bo H., Yamasaki S., Nomura K. Y. K., Takahashi A., Fujita K. Conductor layout optimization for reducing the magnetic coupling noise of a filter circuit board. Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization, No. 412, Braunschweig, June 2017. DOI: 10.1007/978-3-319-67988-4_127
Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., Nishiwaki S. Level set-based topology optimization using the lattice Boltzmann method considering two-phase fluid flows. Proceedings of 11th World Congress on Structural and Multidisciplinary Optimization, No. 1302, Sydney, June 2015.
Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., Nishiwaki S. Level set-based topology optimization method for viscous flow using lattice Boltzmann method. Proceedings of 10th World Congress on Structural and Multidisciplinary Optimization, No. 5171, Florida, May 2013.
Yaji K., Yamada T., Izui K., Nishiwaki S. Topology optimization method using level set boundary expressions in Navier Stokes flow. Proceedings of 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, No. 5526, Indiana, September 2012. DOI: 10.2514/6.2012-5526
Yaji K., Yamada T., Izui K., Nishiwaki S. Level set based-topology optimization in a viscous fluid under Oseen approximation. Proceedings of 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, No. J069, Huangshan, Jun 2012.
Yaji K. Topology optimization using the lattice Boltzmann method and applications in flow channel designs considering thermal and two-phase fluid flows, Kyoto University, 2016.