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研究成果

Dissertation

  • 2025, Issei Suemitsu
        "Hierarchical Optimization for Manufacturing and Logistics Systems: Integrating Simulation,
         Surrogates, and Mathematical Programming"
  • 2025, Naoyuki Ishida
        "An optimum design methodology for battery component structure using topology optimization"
  • 2024, Tiannan Hu
        "Topology Optimization of Coated Structures Considering Multiple Scales, Multiple Materials,
         and Non-Uniform Coating Thickness"
  • 2023, Yusuke Sakamoto
        "Design Optimization and Plan Optimization for Particle Beam Therapy Systems"
  • 2023, Takao Miki
        "Topology optimization for metal additive manufacturing considering manufacturability"
  • 2022, Hao Li
        "Level set-based topology optimization of thermal fluid-structure systems"

Master thesis

  • 2024, Koutarou Suetake
        "KL展開による形状表現を用いた知能化計算法に基づく構造最適化手法"
  • 2024, Hayate Nakayama
        "補間曲線を用いた形状表現に基づく複数材料コンプライアントメカニズムのトポロジー最適設計法"
  • 2023, Kazushi Isoda
        "接合費用と剛性を同時考慮した複数材料のトポロジー最適化"
  • 2023, Yudai Umezawa
        "投影面積制約下における抗力最小化および揚力最大化を目的としたトポロジー最適化設計法の構築"
  • 2023, Takamitsu Sasaki
        "自立性を考慮した3次元流体ダイオードのトポロジー最適設計法の構築"
  • 2023, Yousuke Takamori
        "階層型遺伝子を用いた遺伝的アルゴリズムに基づく部品配置設計問題に対する設計支援手法"
  • 2023, Kodai Tsuruta,
        "熱および電磁気問題を対象とした異方性の物理特性を有する縞構造の最適設計法"
  • 2023, Yugo Torii
        "スタインメッツモデルに基づく熱損失評価法を用いた永久磁石モータのトポロジー最適化"
  • 2022, Naoyuki Ishida
        "Level Set-based Topology Optimization for Static Mixers Using a Body-fitted Mesh"
  • 2022, Ozeki Tatsuhiro
        "代理モデルに基づくマルチスケールトポロジー最適化を用いた熱流体デバイスの設計法"
  • 2022, Yasutoshi Tsukuda
        "KL展開に基づく形状表現を用いた差分進化型トポロジー最適化"
  • 2022, Kotaro Matsumoto
        "磁性体の磁化特性の非線形性を考慮した代理モデルに基づく均質化法"
  • 2022, Kosei Wano
        "意匠性を考慮した反応拡散方程式に基づくトポロジー最適化"

Bachelor thesis

  • 2024, Takehito Osuga
        "細線化アルゴリズムに基づく最大最小寸法制約を考慮したトポロジー最適化"
  • 2024, Soha Takigawa
        "On the Influence of Geometrical and Material Nonlinearities on Optimal Configurations
         in Structural Design"
  • 2024, Sei Mineno
        "流体問題を対象とした補間曲線による形状表現に基づく差分進化型トポロジー最適設計法"
  • 2023, Shun Noguchi
        "傾斜機能ヒートシンクのデータ駆動型最適設計法の構築"
  • 2023, Takeru Fukutani
        "ソーベルフィルタに基づく角度制約を導入したトポロジー最適化"
  • 2023, Daichi Kitayama
        "代理モデルを用いた問題駆動型のシナリオ生成法に基づくロバスト最適化法"
  • 2022, Sakura Azuma
        "射出成形機のハイサイクル化のための機械学習を用いた樹脂充填プロセスの最適化"
  • 2022, Hayate Nakayama
        "仮想的な物理場に基づくヒンジ構造をもたないコンプライアントメカニズムのトポロジー最適化"
  • 2022, Taichi Hasegawa
        "トポロジー最適化法に基づく静的偏心を考慮したSPMモータのトルクリップル最小化"

More information is available from this link.

  1. Han J., Izui K., Nishiwaki S., "Extended discrete material optimization: A generalized framework for multi-material topology optimization of nonlinear material constitutive models", Computer Methods in Applied Mechanics and Engineering, 451, 118682, 2026.
    doi:10.1016/j.cma.2025.118682
    2. 9:20 AM 12/24/2025
  2. Sasaki T., Kondoh T., Furuta K., Hatakenaka K., Kubo A., Izui K., Nishiwaki S., "A topology optimization method for designing rotating fluid machinery using flow rate maximization formulation", Applied Mathematical Modelling, 152, 116599, 2026.
    doi:10.1016/j.apm.2025.116599
  3. Nakayama N., Furuta K., Yamaguchi T., Izui K., Nishiwaki S., "Multi-material topology optimization of phononic crystals based on bandgap generation and control", Structural and Multidisciplinary Optimization, 68, 241, 2025.
    doi:10.1007/s00158-025-04189-3
  4. Hu T., Wang Y., Li H., Noguchi S., Zhang H., Furuta K., Izui K., Nishiwaki S., "Concurrent Multiscale Topology Optimization of Coated Structures Infilled With Multiple Self-Connected Microstructures", International Journal for Numerical Methods in Engineering, 126, e70173, 2025.
    doi:10.1002/nme.70173
  5. Hu T., He C., Yu M., Nakayama N., Ishida N., Kondoh T., Furuta K., Izui K., Nishiwaki S., "Density-based topology optimization of coated structures with non-uniform coating thickness and smooth structural boundaries", Structural and Multidisciplinary Optimization, 68, 224, 2025.
    doi:10.1007/s00158-025-04146-0
  6. Ishida N., Furuta K., Kishimoto M., Sasaki T., Iwai H., Izui K., Nishiwaki S., "Data-driven topology optimization of all-solid-state batteries considering conductive additive material informed by microstructure analysis", Structural and Multidisciplinary Optimization, 68, 164, 2025.
    doi:10.1007/s00158-025-04094-9
  7. Jeong D., Song W.S., Seo M., Lim S., Izui K., Nishiwaki S., Min S., "Topology optimization of multifunctional materials for property control under nonlinear magnetic and linear elastic fields", Applied Mathematical Modelling, 149, 116305, 2025.
    doi:10.1016/j.apm.2025.116305
  8. Han J., Matsubara S., Kondoh T., Izui K., Nishiwaki S., "A general formulation of topology optimization for nonlinear materials incorporating internal variables by the continuous adjoint method", Computer Methods in Applied Mechanics and Engineering, 445, 118164, 2025.
    doi:10.1016/j.cma.2025.118164
  9. He C., Lai R., Sun J., Izui K., Wang Z., Liu X., Zhang S., "Adaptive High-Precision 3D Reconstruction of Highly Reflective Mechanical Parts Based on Optimization of Exposure Time and Projection Intensity", Journal of Imaging, 11(5), 149, 2025.
    doi:10.3390/jimaging11050149
  10. Han J., Yamakawa Y., Izui K., Nishiwaki S., Terada K., "Multi-material topology optimization based on finite strain subloading surface nonlocal elastoplasticity", Computer Methods in Applied Mechanics and Engineering, 442, 118035, 2025.
    doi:10.1016/j.cma.2025.118038
  11. Suemitsu I., Izui K., "Surrogate-assisted Scenario-generation Method for Simulation-based Stochastic Programming Problems", IEEE Transactions on Automation Science and Engineering, 22, 13161-13174, 2025.
    doi:10.1109/TASE.2025.3551716
  12. Han J., Furuta K., Kondoh T., Izui K., Nishiwaki S., Terada K., "Topology optimization for nonlocal elastoplasticity at finite strain", Computer Methods in Applied Mechanics and Engineering, 435, 117678, 2025.
    doi:10.1016/j.cma.2024.117678
  13. Sasaki T., Furuta K., Ishida N., Li H., Kondoh T., Izui K., Nishiwaki S., "Topology optimization for 3D fluid diode design considering wall-connected structures", Structural and Multidisciplinary Optimization, 67, 209, 2024.
    doi:10.1007/s00158-024-03920-w
  14. Furuta, K., Tsukuda, Y., Sasaki, T., Ishida, N., Izui, K., Nishiwaki, S., Watanabe, S., "Differential evolution-based topology optimization using Karhunen-Loève expansion", Engineering Optimization, 1-27, 2024.
    doi:10.1080/0305215X.2024.2400558
  15. He M., Yang M., Fu W., Wu X., Izui K., "Optimization of Electric Vehicle Routes Considering Multi-Temperature Co-Distribution in Cold Chain Logistics with Soft Time Windows", World Electric Vehicle Journal 15(3), 80, 2024.
    doi:10.3390/wevj15030080
  16. He M., Li Q., Wu X., Izui K., "Designing a multi-level reverse logistics network for waste batteries of electric vehicles under uncertainty-A case study in the Yangtze River Delta Urban Agglomerations of China", Journal of Cleaner Production 472, 143418, 2024.
    doi:10.1016/j.jclepro.2024.143418
  17. Ishida N., Furuta K., Kishimoto M., Hu T., Iwai H., Izui K., Nishiwaki S., "Topology optimization for all-solid-state-batteries using homogenization method", Structural and Multidisciplinary Optimization 67(9), 162, 2024.
    doi:10.1007/s00158-024-03864-1
  18. Zhang Z., Izui K., Song X., Yin Y., Gong X., "A nested partitioning-based solution method for seru scheduling problem with resource allocation", Journal of Management Science and Engineering 9(1), 101-114, 2024.
    doi:10.1016/j.jmse.2023.11.003
  19. Han J., Furuta K., Kondoh T., Izui K., Nishiwaki S., Terada K., "Topology optimization with a finite strain nonlocal damage model using the continuous adjoint method", Computer Methods in Applied Mechanics and Engineering 432, 117333, 2024.
    doi:10.1016/j.cma.2024.117333
  20. Hu T., Wang Y., Li H., Yu M., Furuta K., Izui K., Nishiwaki S., "Topology optimization of coated structures infilled with multiple materials", Finite Elements in Analysis and Design 235, 104165, 2024.
    doi:10.1016/j.finel.2024.104165
  21. Fujimoto Y., Furuta K., Kondoh T., Li H., Izui K., Nishiwaki S., "Optimum design method for structural configuration and fiber arrangement for fiber-reinforced composites", Composites Part C: Open Access 13, 100432, 2024.
    doi:10.1016/j.jcomc.2024.100432
  22. Suemitsu I., Miyashita N., Hosoda J., Shimazu Y., Nishikawa T., Izui K., "Integration of sales, inventory, and transportation resource planning by dynamic-demand joint replenishment problem with time-varying costs", Computers and Industrial Engineering 188, 109922, 2024.
    doi:10.1016/j.cie.2024.109922
  23. He M., Yang M., Wu X., Pu J., Izui K., "Evaluating and Analyzing the Efficiency and Influencing Factors of Cold Chain Logistics in China’s Major Urban Agglomerations under Carbon Constraints", Sustainability (Switzerland) 16(5), 1997, 2024.
    doi:10.3390/su16051997
  24. Hu T., Wang Y., Zhang H., Li H., Ishida N., Sasaki T., Furuta K., Izui K., Nishiwaki S., "Multiscale topological design of coated structures with layer-wise bi-material lattice infill for minimum dynamic compliance", Composite Structures 323, 117468, 2023.
    doi:10.1016/j.compstruct.2023.117468
  25. Li H., Yu M., Jolivet P., Alexandersen J., Kondoh T., Hu T., Furuta K., Izui K., Nishiwaki S., "Reaction–diffusion equation driven topology optimization of high-resolution and feature-rich structures using unstructured meshes", Advances in Engineering Software 180, 103457, 2023.
    doi:10.1016/j.advengsoft.2023.103457
  26. Kurioka H., Nakayama N., Furuta K., Noguchi Y., Izui K., Yamada T., Nishiwaki S., "Multiscale optimal design method of acoustic metamaterials using topology optimization", International Journal for Numerical Methods in Engineering 124(13), 2995-3024, 2023.
    doi:10.1002/nme.7237
  27. Li H., Kondoh T., Jolivet P., Nakayama N., Furuta K., Zhang H., Zhu B., Izui K., Nishiwaki S., "Topology optimization for lift–drag problems incorporated with distributed unstructured mesh adaptation", Structural and Multidisciplinary Optimization 65(8), 222, 2022.
    doi:10.1007/s00158-022-03314-w
  28. Fujita Y., Izui K., Nishiwaki S., Zhang Z., Yin Y., "Production planning method for seru production systems under demand uncertainty", Computers and Industrial Engineering 163, 107856, 2022.
    doi:10.1016/j.cie.2021.107856
  29. Lim S., Misawa R., Furuta K., Maruyama S., Izui K., Nishiwaki S., "Weight reduction design of multi-material vehicle components using level set-based topology optimization", Structural and Multidisciplinary Optimization 65(3), 100, 2022.
    doi:10.1007/s00158-022-03193-1
  30. Furuta K., Sato A., Izui K., Nishiwaki S., "A level-set-based shape optimization method for thermoelectric materials", International Journal for Numerical Methods in Engineering 123(10), 2338-2356, 2022.
    doi:10.1002/nme.6940
  31. Li H., Kondoh T., Jolivet P., Furuta K., Yamada T., Zhu B., Zhang H., Izui K., Nishiwaki S., "Optimum design and thermal modeling for 2D and 3D natural convection problems incorporating level set-based topology optimization with body-fitted mesh", International Journal for Numerical Methods in Engineering 123(9), 1954-1990, 2022.
    doi:10.1002/nme.6923
  32. Hu T., Wang Y., Zhang H., Li H., Ding X., Izui K., Nishiwaki S., "Topology optimization of coated structures with layer-wise graded lattice infill for maximizing the fundamental eigenfrequency", Computers and Structures 271, 106861, 2022.
    doi:10.1016/j.compstruc.2022.106861
  33. 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 110, 123-134, 2022.
    doi:10.1016/j.camwa.2022.01.032
  34. Li H., Kondoh T., Jolivet P., Furuta K., Yamada T., Zhu B., Izui K., Nishiwaki S., "Three-dimensional topology optimization of a fluid–structure system using body-fitted mesh adaption based on the level-set method", Applied Mathematical Modelling 101, 276-308, 2022.
    doi:10.1016/j.apm.2021.08.021
  35. Li H., Yamada T., Jolivet P., Furuta K., Kondoh T., Izui K., Nishiwaki S., "Full-scale 3D structural topology optimization using adaptive mesh refinement based on the level-set method", Finite Elements in Analysis and Design 194, 103561, 2021.
    doi:10.1016/j.finel.2021.103561
  36. 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 446, 110630, 2021.
    doi:10.1016/j.jcp.2021.110630
  37. Ishizuka N., Yamada T., Izui K., Nishiwaki S., "Topology optimization for unifying deposit thickness in electroplating process", Structural and Multidisciplinary Optimization 62(4), 1767-1785, 2020.
    doi:10.1007/s00158-020-02574-8
  38. Nishi S., Yamada T., Izui K., Nishiwaki S., Terada K., "Isogeometric topology optimization of anisotropic metamaterials for controlling high-frequency electromagnetic wave", International Journal for Numerical Methods in Engineering 121(6), 1218-1247, 2020.
    doi:10.1002/nme.6263
  39. Yasuda H., Orii M., Izui K., Yamada T., Nishiwaki S., Suzuki M., "A wavelength selective emitter design method using hyperbolic tangent level set-based shape optimization", Optics Communications 463, 125405, 2020.
    doi:10.1016/j.optcom.2020.125405
  40. Kambayashi K., Kogiso N., Yamada T., Izui K., Nishiwaki S., Tamayama M., "Multiobjective topology optimization for a multi-layered morphing flap considering multiple flight conditions", Transactions of the Japan Society for Aeronautical and Space Sciences 63(3), 90-100, 2020.
    doi:10.2322/TJSASS.63.90
  41. Sato Y., Izui K., Yamada T., Nishiwaki S., "Robust topology optimization of optical cloaks under uncertainties in wave number and angle of incident wave", International Journal for Numerical Methods in Engineering 121(17), 3926-3954, 2020.
    doi:10.1002/nme.6393
  42. Sasaki Y., Sato Y., Yamada T., Izui K., Nishiwaki S., "Topology optimization for fluid flows using the MPS method incorporating the level set method", Computers and Fluids 188, 86-101, 2019.
    doi:10.1016/j.compfluid.2019.05.010
  43. Sato A., Yamada T., Izui K., Nishiwaki S., Takata S., "A topology optimization method in rarefied gas flow problems using the Boltzmann equation", Journal of Computational Physics 395, 60-84, 2019.
    doi:10.1016/j.jcp.2019.06.022
  44. Ishii Y., Michishita N., Morishita H., Sato Y., Izui K., Nishiwaki S., "Design optimization of radar absorbent material for broadband and continuous oblique incidence characteristics", IEICE Transactions on Communications (2), 216-223, 2019.
    doi:10.1587/transcom.2018ISP0017
  45. Sato Y., Izui K., Yamada T., Nishiwaki S., Ito M., Kogiso N., "Reliability-based topology optimization under shape uncertainty modeled in Eulerian description", Structural and Multidisciplinary Optimization 59(1), 75-91, 2019.
    doi:10.1007/s00158-018-2051-y
  46. Sakamoto Y., Ishizuka D., Matsuda T., Izui K., Nishiwaki S., "Topology optimization of superconducting electromagnets for particle accelerators; [加速器用超電導コイルのトポロジー最適化]", IEEJ Transactions on Power and Energy 139(9), 568-575, 2019.
    doi:10.1541/ieejpes.139.568
  47. Sato Y., Izui K., Yamada T., Nishiwaki S., "Data mining based on clustering and association rule analysis for knowledge discovery in multiobjective topology optimization", Expert Systems with Applications 119, 247-261, 2019.
    doi:10.1016/j.eswa.2018.10.047
  48. Miyata K., Noguchi Y., Yamada T., Izui K., Nishiwaki S., "Optimum design of a multi-functional acoustic metasurface using topology optimization based on Zwicker's loudness model", Computer Methods in Applied Mechanics and Engineering 331, 116-137, 2018.
    doi:10.1016/j.cma.2017.11.017
  49. 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 140(3), 31402, 2018.
    doi:10.1115/1.4038209
  50. Lim S., Izui K., Nishiwaki S., Hong J.-P., Min S., "Magnetising fixture design for optimal magnetisation orientation of ring-type magnet in surface-mounted permanent magnet motor", IET Electric Power Applications 12(9), 1344-1349, 2018.
    doi:10.1049/iet-epa.2018.5229
  51. Noguchi Y., Yamada T., Izui K., Nishiwaki S., "Topology optimization for hyperbolic acoustic metamaterials using a high-frequency homogenization method", Computer Methods in Applied Mechanics and Engineering 335, 419-471, 2018.
    doi:10.1016/j.cma.2018.02.031
  52. Furuta K., Sato A., Izui K., Matsumoto M., Yamada T., Nishiwaki S., "Shape sensitivity for a two-phase heat conduction problem considering nanoscale effects", Journal of Advanced Mechanical Design, Systems and Manufacturing 12(1), JAMDSM0003, 2018.
    doi:10.1299/jamdsm.2018jamdsm0003
  53. Petrovic M., Nomura T., Yamada T., Izui K., Nishiwaki S., "Orthotropic material orientation optimization method in composite laminates", Structural and Multidisciplinary Optimization 57(2), 815-828, 2018.
    doi:10.1007/s00158-017-1777-2
  54. Petrovic M., Nomura T., Yamada T., Izui K., Nishiwaki S., "Thermal Performance Optimization in Electric Vehicle Power Trains by Locally Orthotropic Surface Layer Design", Journal of Mechanical Design 140(11), 111413, 2018.
    doi:10.1115/1.4041220
  55. Yamaki Y., Sato Y., Izui K., Yamada T., Nishiwaki S., Hirai Y., Tabata O., "A heuristic approach for actuator layout designs in deformable mirror devices based on current value optimization", Structural and Multidisciplinary Optimization 58(3), 1243-1254, 2018.
    doi:10.1007/s00158-018-1968-5
  56. 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 56(4), 839-851, 2017.
    doi:10.1007/s00158-017-1690-8
  57. 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 55(4), 1311-1327, 2017.
    doi:10.1007/s00158-016-1577-0
  58. Sato Y., Izui K., Yamada T., Nishiwaki S., "Pareto frontier exploration in multiobjective topology optimization using adaptive weighting and point selection schemes", Structural and Multidisciplinary Optimization 55(2), 409-422, 2017.
    doi:10.1007/s00158-016-1499-x
  59. 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 55(5), 1671-1683, 2017.
    doi:10.1007/s00158-016-1609-9
  60. Kishimoto N., Izui K., Nishiwaki S., Yamada T., "Optimal design of electromagnetic cloaks with multiple dielectric materials by topology optimization", Applied Physics Letters 110(20), 201104, 2017.
    doi:10.1063/1.4983715
  61. Sato Y., Yamada T., Izui K., Nishiwaki S., "Manufacturability evaluation for molded parts using fictitious physical models, and its application in topology optimization", International Journal of Advanced Manufacturing Technology 92, 1391-1409, 2017.
    doi:10.1007/s00170-017-0218-0
  62. Otomori M., Yamada T., Izui K., Nishiwaki S., Andkjær J., "Topology optimization of hyperbolic metamaterials for an optical hyperlens", Structural and Multidisciplinary Optimization 55(3), 913-923, 2017.
    doi:10.1007/s00158-016-1543-x
  63. Lim Z.Y., Ponnambalam S.G., Izui K., "Multi-objective hybrid algorithms for layout optimization in multi-robot cellular manufacturing systems", Knowledge-Based Systems 120, 87-98, 2017.
    doi:10.1016/j.knosys.2016.12.026
  64. Lim S., Min S., Izui K., Nishiwaki S., "Design Optimization of a Magnetic Actuator Incorporating the Concept of the Hybrid Analysis Method", IEEE Transactions on Magnetics 53(6), 7867758, 2017.
    doi:10.1109/TMAG.2017.2658665
  65. Noguchi Y., Yamamoto T., Yamada T., Izui K., Nishiwaki S., "A level set-based topology optimization method for simultaneous design of elastic structure and coupled acoustic cavity using a two-phase material model", Journal of Sound and Vibration 404, 15-30, 2017.
    doi:10.1016/j.jsv.2017.05.040
  66. Ryu N., Lim S., Min S., Izui K., Nishiwaki S., "Multi-Objective Optimization of Magnetic Actuator Design Using Adaptive Weight Determination Scheme", IEEE Transactions on Magnetics 53(6), 7205104, 2017.
    doi:10.1109/TMAG.2017.2663760
  67. Lim Z.Y., Ponnambalam S.G., Izui K., "Nature inspired algorithms to optimize robot workcell layouts", Applied Soft Computing Journal 49, 570-589, 2016.
    doi:10.1016/j.asoc.2016.08.048
  68. Sato Y., Izui K., Yamada T., Nishiwaki S., "Gradient-based multiobjective optimization using a distance constraint technique and point replacement", Engineering Optimization 48(7), 1226-1250, 2016.
    doi:10.1080/0305215X.2015.1111068
  69. 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 307, 355-377, 2016.
    doi:10.1016/j.jcp.2015.12.008
  70. 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 54(3), 659-672, 2016.
    doi:10.1007/s00158-016-1444-z
  71. Suemitsu I., Izui K., Yamada T., Nishiwaki S., Noda A., Nagatani T., "Simultaneous optimization of layout and task schedule for robotic cellular manufacturing systems", Computers and Industrial Engineering 102, 396-407, 2016.
    doi:10.1016/j.cie.2016.05.036
  72. 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 81, 878-888, 2015.
    doi:10.1016/j.ijheatmasstransfer.2014.11.005
  73. Noguchi Y., Yamada T., Otomori M., Izui K., Nishiwaki S., "An acoustic metasurface design for wave motion conversion of longitudinal waves to transverse waves using topology optimization", Applied Physics Letters 107(22), 221909, 2015.
    doi:10.1063/1.4936997
  74. Yamamoto T., Yamada T., Izui K., Nishiwaki S., "Topology optimization of free-layer damping material on a thin panel for maximizing modal loss factors expressed by only real eigenvalues", Journal of Sound and Vibration 358, 84-96, 2015.
    doi:10.1016/j.jsv.2015.08.019
  75. Otomori M., Yamada T., Izui K., Nishiwaki S., "Matlab code for a level set-based topology optimization method using a reaction diffusion equation", Structural and Multidisciplinary Optimization 51(5), 1159-1172, 2015.
    doi:10.1007/s00158-014-1190-z
  76. Kotani T., Yamada T., Yamasaki S., Ohkado M., Izui K., Nishiwaki S., "Driving force profile design in comb drive electrostatic actuators using a level set-based shape optimization method", Structural and Multidisciplinary Optimization 51(2), 369-383, 2015.
    doi:10.1007/s00158-014-1130-y
  77. Izui K., Yamada T., Nishiwaki S., Tanaka K., "Multiobjective optimization using an aggregative gradient-based method", Structural and Multidisciplinary Optimization 51(1), 173-182, 2015.
    doi:10.1007/s00158-014-1125-8
  78. Choi J.S., Yamada T., Izui K., Nishiwaki S., Lim H., Yoo J., "Optimal shape design of flux barriers in IPM synchronous motors using the phase field method", COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33(3), 17111514, 998-1016, 2014.
    doi:10.1108/COMPEL-01-2013-0026
  79. Yaji K., Kitamura Y., Matsushima T., Yamada T., Izui K., Ntshiwaki S., "Structural optimization of a brake disc -topology optimization to simultaneously improve cooling performance and reduce brake squeal-", Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering 80(8), 763-770, 2014.
    doi:10.2493/jjspe.80.763
  80. Nguyen T.H., Morishita H., Koyanagi Y., Izui K., Nishiwaki S., "A multi-level optimization method using PSO for the optimal design of an L-shaped folded monopole antenna array", IEEE Transactions on Antennas and Propagation 62(1), 6655892, 206-215, 2014.
    doi:10.1109/TAP.2013.2288785
  81. 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 274, 158-181, 2014.
    doi:10.1016/j.jcp.2014.06.004
  82. Otomori M., Yamada T., Izui K., Nishiwaki S., Kogiso N., "Level set-based topology optimization for the design of light-trapping structures", IEEE Transactions on Magnetics 50(2), 6749255, 729-732, 2014.
    doi:10.1109/TMAG.2013.2282046
  83. Matsuki T., Yamada T., Izui K., Nishiwaki S., "Topology optimization for locally resonant sonic materials", Applied Physics Letters 104(19), 191905, 2014.
    doi:10.1063/1.4878259
  84. Otomori M., Yamada T., Izui K., Nishiwaki S., Kogiso N., "Topology optimization of metallic waveguides loaded with ferrite", Transactions of the Japan Society for Computational Engineering and Science 2013, 2013.
    doi:10.11421/jsces.2013.20130014
  85. Yaji K., Yamada T., Yoshino M., Matsumoto T., Izui K., Nishiwaki S., "A level set-based topology optimization using the lattice-boltzmann method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 79(802), 2152-2163, 2013.
    doi:10.1299/kikaic.79.2152
  86. Lu L., Yamamoto T., Otomori M., Yamada T., Izui K., Nishiwaki S., "Topology optimization of an acoustic metamaterial with negative bulk modulus using local resonance", Finite Elements in Analysis and Design 72, 1-12, 2013.
    doi:10.1016/j.finel.2013.04.005
  87. Otomori M., Lu L., Yamada T., Yamamoto T., Izui K., Nishiwaki S., "Topology optimization for the design of acoustic metamaterials using level set-based boundary expressions", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 79(802), 2138-2151, 2013.
    doi:10.1299/kikaic.79.2138
  88. Izui K., Murakumo Y., Suemitsu I., Nishiwaki S., Noda A., Nagatani T., "Multiobjective layout optimization of robotic cellular manufacturing systems", Computers and Industrial Engineering 64(2), 537-544, 2013.
    doi:10.1016/j.cie.2012.12.003
  89. Ohkado M., Tsukamoto S., Otomori M., Izui K., Nishiwaki S., "Structural optimization of metallic patch antenna using surface impedance method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 79(807), 4084-4094, 2013.
    doi:10.1299/kikaic.79.4084
  90. Otomori M., Yamada T., Andkjaer J., Izui K., Nishiwaki S., Kogiso N., "Level set-based topology optimization for the design of an electromagnetic cloak with ferrite material", IEEE Transactions on Magnetics 49(5), 6514628, 2081-2084, 2013.
    doi:10.1109/TMAG.2013.2239965
  91. Kotani T., Yamasaki S., Yamada T., Ohkado M., Izui K., Nishiwaki S., "Structural optimization of electrostatic actuators based on the level set method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 79(805), 3234-3247, 2013.
    doi:10.1299/kikaic.79.3234
  92. Otomori M., Yamada T., Izui K., Nishiwaki S., Kogiso N., "Level set-based topology optimization for the design of a ferromagnetic waveguide", IEEE Transactions on Magnetics 48(11), 6332886, 3072-3075, 2012.
    doi:10.1109/TMAG.2012.2196268
  93. Choi J.S., Izui K., Nishiwaki S., Kawamoto A., Nomura T., "Rotor pole design of IPM motors for a sinusoidal air-gap flux density distribution", Structural and Multidisciplinary Optimization 46(3), 445-455, 2012.
    doi:10.1007/s00158-012-0774-8
  94. Tenne Y., Izui K., Nishiwaki S., "A hybrid model-classifier framework for managing prediction uncertainty in expensive optimisation problems", International Journal of Systems Science 43(7), 1305-1321, 2012.
    doi:10.1080/00207721.2011.602482
  95. Tenne Y., Izui K., Nishiwaki S., "A model-adaptive evolutionary algorithm for optimization", Artificial Life and Robotics 16(4), 546-550, 2012.
    doi:10.1007/s10015-011-0987-8
  96. Otomori M., Yamada T., Izui K., Nishiwaki S., Andkjær J., "A topology optimization method based on the level set method for the design of negative permeability dielectric metamaterials", Computer Methods in Applied Mechanics and Engineering 237-240, 192-211, 2012.
    doi:10.1016/j.cma.2012.04.022
  97. Choi J.S., Izui K., Nishiwaki S., "Multi-material optimization of magnetic devices using an Allen-Cahn equation", IEEE Transactions on Magnetics 48(11), 6332563, 3579-3582, 2012.
    doi:10.1109/TMAG.2012.2201212
  98. Koike Y., Matsubara A., Nishiwaki S., Izui K., Yamaji I., "Cutting path design to minimizeworkpiece displacement at cutting point: Milling of thin-walled parts", International Journal of Automation Technology 6(5), 638-647, 2012.
    doi:10.20965/ijat.2012.p0638
  99. Otomori M., Andkjær J., Sigmund O., Izui K., Nishiwaki S., "Inverse design of dielectric materials by topology optimization", Progress in Electromagnetics Research 127, 93-120, 2012.
    doi:10.2528/PIER12020501
  100. Matsushima T., Izui K., Nishiwaki S., "Conceptual design method for reducing brake squeal in disk brake systems considering unpredictable usage factors", Journal of Mechanical Design 134(6), 61008, 2012.
    doi:10.1115/1.4006326
  101. Tsukamoto S., Izui K., Otomori M., Ohkado M., Nomura T., Nishiwaki S., "Optimum design of metallic patch antennas based on topology optimization", Transactions of the Japan Society for Computational Engineering and Science 2012, 3-, 2012.
    doi:10.11421/jsces.2012.20120015
  102. Otomori M., Yamada T., Izui K., Nishiwaki S., "Level set-based topology optimisation of a compliant mechanism design using mathematical programming", Mechanical Sciences 2(1), 91-98, 2011.
    doi:10.5194/ms-2-91-2011
  103. Yamada T., Yamasaki S., Nishiwaki S., Izui K., Yoshimura M., "Design of compliant thermal actuators using structural optimization based on the level set method", Journal of Computing and Information Science in Engineering 11(1), 11005, 2011.
    doi:10.1115/1.3563049
  104. Yamada T., Izui K., Nishiwaki S., "A level set-based topology optimization method for maximizing thermal diffusivity in problems including design-dependent effects", Journal of Mechanical Design 133(3), 31011, 2011.
    doi:10.1115/1.4003684
  105. Otomori M., Izui K., Nishiwaki S., "A topology optimization method based on the multiple phase projection method (a new formulation of the projection function for reducing the number of design variables", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 77(775), 836-846, 2011.
    doi:10.1299/kikaic.77.836
  106. Matsushima T., Izui K., Nishiwaki S., "A conceptual design method of disc brake systems for reducing brake squeal considering pressure distribution variations", Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering 77(5), 525-532, 2011.
    doi:10.2493/jjspe.77.525
  107. Choi J.S., Izui K., Nishiwaki S., Kawamoto A., Nomura T., "Topology optimization of the stator for minimizing cogging torque of IPM motors", IEEE Transactions on Magnetics 47(10), 6027589, 3024-3027, 2011.
    doi:10.1109/TMAG.2011.2158572
  108. Izui K., Murakumo Y., Suemitsu I., Nishiwaki S., Noda A., Nagatani T., "Layout design optimization method for robotic cellular manufacturing systems using sequence-pair representation", Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering 77(8), 781-787, 2011.
    doi:10.2493/jjspe.77.781
  109. Yamamoto T., Maruyama S., Izui K., Nishiwaki S., Terada K., "Equivalent properties of sound absorbing poroelastic material using the homogenization method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 77(773), 75-88, 2011.
    doi:10.1299/kikaic.77.75
  110. Yamamoto T., Maruyama S., Terada K., Izui K., Nishiwaki S., "A generalized macroscopic model for sound-absorbing poroelastic media using the homogenization method", Computer Methods in Applied Mechanics and Engineering 200, 251-264, 2011.
    doi:10.1016/j.cma.2010.08.009
  111. Hirano Y., Yamada T., Kogiso N., Izui K., Nishiwaki S., Iga A., "Level set-based robust topology optimization for coupled thermal and structural problems considering uncertainty", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 77(773), 1-13, 2011.
    doi:10.1299/kikaic.77.1
  112. Choi J.S., Yamada T., Izui K., Nishiwaki S., Yoo J., "Topology optimization using a reaction-diffusion equation", Computer Methods in Applied Mechanics and Engineering 200(29-32), 2407-2420, 2011.
    doi:10.1016/j.cma.2011.04.013
  113. Koike Y., Matsubara A., Nishiwaki S., Izui K., Yamaji I., "Cutting process design for minimizing workpiece displacement at cutting point", Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering 76(12), 1406-1410, 2010.
    doi:10.2493/jjspe.76.1406
  114. Yamasaki S., Nomura T., Kawamoto A., Sato K., Izui K., Nishiwaki S., "A level set based topology optimization method using the discretized signed distance function as the design variables", Structural and Multidisciplinary Optimization 41(5), 685-698, 2010.
    doi:10.1007/s00158-009-0453-6
  115. Yamada T., Izui K., Nishiwaki S., Takezawa A., "A topology optimization method based on the level set method incorporating a fictitious interface energy", Computer Methods in Applied Mechanics and Engineering 199(45-48), 2876-2891, 2010.
    doi:10.1016/j.cma.2010.05.013
  116. Yamasaki S., Nishiwaki S., Yamada T., Izui K., Yoshimura M., "A structural optimization method based on the level set method using a new geometry-based re-initialization scheme", International Journal for Numerical Methods in Engineering 83(12), 1580-1624, 2010.
    doi:10.1002/nme.2874
  117. Matsushima T., Izui K., Nishiwaki S., "A conceptual design method of disc brake systems for reducing brake squeal - Construction of a design criterion using simplified analysis model based on the concept of first order analysis", Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering 76(8), 973-980, 2010.
    doi:10.2493/jjspe.76.973
  118. Doi K., Yoshimura M., Nishiwaki S., Izui K., "Multiobjective optimisation method for life-cycle design of mechanical products", International Journal of Sustainable Engineering 3(2), 81-94, 2010.
    doi:10.1080/19397031003642606
  119. Yamada T., Izui K., Nishiwaki S., Sato M., Tabata O., "An optimum design method for capacitive micromachined ultrasonic transducers (level set-based topology optimization method incorporating uniform cross-section surface constraints)", Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A 76(771), 1403-1411, 2010.
    doi:10.1299/kikaia.76.1403
  120. Yamamoto T., Maruyama S., Izui K., Nishiwaki S., Terada K., "A model for sound-absorbing poroelastic material using multiscale analysis", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 76(768), 2039-2048, 2010.
    doi:10.1299/kikaic.76.2039
  121. Iga A., Yamada T., Nishiwaki S., Izui K., Yoshimura M., "Topology optimization for coupled thermal and structural problems using the level set method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 76(761), 36-43, 2010.
    doi:10.1299/kikaic.76.36
  122. Izui K., Nishiwaki S., Yoshimura M., Kariya H., Ogihara Y., Hayashi S., "Switchgear component commonality design based on trade-off analysis among inventory level, delivery lead-time and product performance", International Journal of Production Research 48(10), 2821-2840, 2010.
    doi:10.1080/00207540902791868
  123. Choi J.S., Yoo J., Nishiwaki S., Izui K., "Optimization of magnetization directions in a 3-D magnetic structure", IEEE Transactions on Magnetics 46(6), 5467587, 1603-1606, 2010.
    doi:10.1109/TMAG.2010.2040251
  124. Yamasaki S., Nomura T., Kawamoto A., Sato K., Izui K., Nishiwaki S., "A level set based topology optimization method using the augmented lagrangian method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 75(760), 3192-3200, 2009.
    doi:10.1299/kikaic.75.3192
  125. Yamada T., Nishiwaki S., Iga A., Izui K., Yoshimura M., "Level set-based topology optimization method for thermal problems", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 75(759), 2868-2876, 2009.
    doi:10.1299/kikaic.75.2868
  126. Izui K., Nishiwaki S., Yoshimura M., Nakamura M., Renaud J.E., "Hybrid multi-objective particle swarm optimization incooperating SLP for mechanical system design", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 75(752), 1161-1170, 2009.
    doi:10.1299/kikaic.75.1161
  127. Nishiwaki S., Nomura T., Kinoshita S., Izui K., Yoshimura M., Sato K., Hirayama K., "Topology optimization for cross-section designs of electromagnetic waveguides targeting guiding characteristics", Finite Elements in Analysis and Design 45(12), 944-957, 2009.
    doi:10.1016/j.finel.2009.09.008
  128. Iga A., Nishiwaki S., Izui K., Yoshimura M., "Topology optimization for thermal conductors considering design-dependent effects, including heat conduction and convection", International Journal of Heat and Mass Transfer 52, 2721-2732, 2009.
    doi:10.1016/j.ijheatmasstransfer.2008.12.013
  129. Kobayashi M., Nishiwaki S., Izui K., Yoshimura M., "An innovative design method for compliant mechanisms combining structural optimisations and designer creativity", Journal of Engineering Design 20(2), 125-154, 2009.
    doi:10.1080/09544820701565017
  130. Yamada T., Nishiwaki S., Izui K., Yoshimura M., Takezawa A., "A structural optimization method incorporating level set boundary expressions based on the concept of the phase field method", Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A 75(753), 550-558, 2009.
    doi:10.1299/kikaia.75.550
  131. Kumar R., Izui K., Yoshimura M., Nishiwaki S., "Multi-objective hierarchical genetic algorithms for multilevel redundancy allocation optimization", Reliability Engineering and System Safety 94(4), 891-904, 2009.
    doi:10.1016/j.ress.2008.10.002
  132. Doi K., Chujo Y., Yoshimura M., Nishiwaki S., Izui K., "Construction of an optimum system design method considering product lifecycle", International Journal of Sustainable Engineering 2(3), 171-183, 2009.
    doi:10.1080/19397030903171740
  133. Doi K., Yoshimura M., Nishiwaki S., Izui K., "Optimization method based on 3R considerations for lifecycle design of mechanical products", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 75(756 PART C), 2096-2104, 2009.
    doi:10.1299/kikaic.75.2096
  134. Yoshimura M., Yoshimura Y., Izui K., Nishiwaki S., "Product optimization incorporating discrete design variables based on decomposition of performance characteristics", Journal of Mechanical Design 131(3), 310041-3100410, 2009.
    doi:10.1115/1.3066577
  135. Doi K., Yoshimura M., Nishiwaki S., Izui K., "Lifecycle cost optimization in the conceptual design of products having variable energy consumption", International Journal of Performability Engineering 5(4), 325-338, 2009.
    doi:10.23940/ijpe.09.4.p325.mag
  136. Kumar R., Izui K., Yoshimura M., Nishiwaki S., "Optimal multilevel redundancy allocation in series and series-parallel systems", Computers and Industrial Engineering 57(1), 169-180, 2009.
    doi:10.1016/j.cie.2008.11.008
  137. Doi K., Yoshimura M., Nishiwaki S., Izui K., "Optimization method for lifecycle cost in the conceptual design of products having variable energy consumption", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 75(749), 238-246, 2009.
    doi:10.1299/kikaic.75.238
  138. Kogiso N., Hirano Y., Nishiwaki S., Izui K., Yoshimura M., Min S., "Reliability-based topology optimization for frame structures considering multiple performance criteria using slsv method with improvement of convergence property", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 75(751), 719-726, 2009.
    doi:10.1299/kikaic.75.719
  139. Iga A., Nishiwaki S., Izui K., Yoshimura M., "Topology optimization for heat convection problems including design-dependent effects", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 74(10), 2452-2461, 2008.
    doi:10.1299/kikaic.74.2452
  140. Izui K., Nishiwaki S., Yoshimura M., Nakamura M., Renaud J.E., "Enhanced multiobjective particle swarm optimization in combination with adaptive weighted gradient-based searching", Engineering Optimization 40(9), 789-804, 2008.
    doi:10.1080/03052150802046247
  141. Chujo Y., Doi K., Yoshimura M., Nishiwaki S., Izui K., "An optimum lifecycle design method for long term usage machine products", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 74(12), 3077-3087, 2008.
    doi:10.1299/kikaic.74.3077
  142. Takezawa A., Mogami K., Nishiwaki S., Izui K., Yoshimura M., Kitamura M., "Structural optimization for the design of band-gap structures using discrete structural elements", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 74(4), 780-788, 2008.
    doi:10.1299/kikaic.74.780
  143. Kogiso N., Nishida K., Mogami K., Nishiwaki S., Izui K., Yoshimura M., "Structural topology optimization considering multiple performance criteria reliability (for cases where variation of element cross-sectional property is considered)", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 74(6), 1584-1593, 2008.
    doi:10.1299/kikaic.74.1584
  144. Patel N.M., Tillotson D., Renaud J.E., Tovar A., Izui K., "Comparative study of topology optimization techniques", AIAA Journal 46(8), 1963-1975, 2008.
    doi:10.2514/1.31053
  145. Yamasaki S., Nishiwaki S., Izui K., Yoshimura M., "Structural optimization of mechanical structures targeting vibration characteristics based on the level set method", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 74(10), 2442-2451, 2008.
    doi:10.1299/kikaic.74.2442
  146. Kumar R., Izui K., Masataka Y., Nishiwaki S., "Multilevel redundancy allocation optimization using hierarchical genetic algorithm", IEEE Transactions on Reliability 57(4), 650-661, 2008.
    doi:10.1109/TR.2008.2006079
  147. Izui K., Nishiwaki S., Murase Y., Yoshimura M., Ohba H., Moriya S., Hashimoto H., "A design support method for component arrangement of space satellites using Bi-level optimization (preliminary study on a piggyback satellite design case)", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 73(12), 3330-3338, 2007.
    doi:10.1299/kikaic.73.3330
  148. Iga A., Nishiwaki S., Izui K., Yoshimura M., "Topology optimization for thermal problems based on assumed continuous approximation of material distributions", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 73(9), 2426-2433, 2007.
    doi:10.1299/kikaic.73.2426
  149. Yamasaki S., Nishiwaki S., Izui K., Yoshimura M., "Structural optimization of mechanical structures based on the level set method (construction of a new re-initialization method and its application to the stiffness maximization problem)", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 73(1), 72-79, 2007.
    doi:10.1299/kikaic.73.72
  150. Takezawa A., Nishiwaki S., Izui K., Yoshimura M., "Structural optimization based on topology optimization techniques using frame elements considering cross-sectional properties", Structural and Multidisciplinary Optimization 34(1), 41-60, 2007.
    doi:10.1007/s00158-006-0059-1
  151. Izui K., Nishiwaki S., Yoshimura M., "Swarm algorithms for single- and multi-objective optimization problems incorporating sensitivity analysis", Engineering Optimization 39(8), 981-998, 2007.
    doi:10.1080/03052150701552774
  152. Maeda Y., Nishiwaki S., Izui K., Yoshimura M., Matsui K., Terada K., "Structural topology optimization of vibrating structures with specified eigenfrequencies and eigenmode shapes", International Journal for Numerical Methods in Engineering 67(5), 597-628, 2006.
    doi:10.1002/nme.1626
  153. Yoshimura M., Yoshida S., Konishi Y., Izui K., Nishiwaki S., Inamori Y., Nomura A., Mitsuyuki K., Kawaguchi Y., Inagaki T., "A rapid analysis method for production line design", International Journal of Production Research 44(6), 1171-1192, 2006.
    doi:10.1080/00207540500336355
  154. Yoshimura M., Fujimi Y., Izui K., Nishiwaki S., "Decision-making support system for human resource allocation in product development projects", International Journal of Production Research 44(5), 831-848, 2006.
    doi:10.1080/00207540500272519
  155. Mogami K., Nishiwaki S., Izui K., Yoshimura M., Kogiso N., "Reliability-based structural optimization of frame structures for multiple failure criteria using topology optimization techniques", Structural and Multidisciplinary Optimization 32(4), 299-311, 2006.
    doi:10.1007/s00158-006-0039-5
  156. Takezawa A., Nishiwaki S., Izui K., Yoshimura M., "Structural optimization using function-oriented elements to support conceptual designs", Journal of Mechanical Design 128(4), 689-700, 2006.
    doi:10.1115/1.2198257
  157. Yoshimura M., Taniguchi M., Izui K., Nishiwaki S., "Hierarchical arrangement of characteristics in product design optimization", Journal of Mechanical Design 128(4), 701-709, 2006.
    doi:10.1115/1.2198256
  158. Izui K., Nishiwaki S., Yoshimura M., "Hybrid swarm optimization techniques incorporating design sensitivities", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 72(7), 2264-2271, 2006.
    doi:10.1299/kikaic.72.2264
  159. Mogami K., Nishiwaki S., Izui K., Yoshimura M., Kogiso N., "Structural topology optimization considering multiple performance criteria reliability (for cases where stiffness and eigen-frequencies are considered as performance criteria)", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 72(6), 1769-1777, 2006.
    doi:10.1299/kikaic.72.1769
  160. Yoshimura M., Fujimi Y., Izui K., Nishiwaki S., "Human resource allocation optimization for multiple development projects", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 71(2), 677-684, 2005.
    doi:10.1299/kikaic.71.677
  161. Takezawa A., Nishiwaki S., Izui K., Yoshimura M., Nishigaki H., Tsurumi Y., "Concurrent design and evaluation based on structural optimization using structural and function-oriented elements at the conceptual design phase", Concurrent Engineering Research and Applications 13(1), 29-42, 2005.
    doi:10.1177/1063293X05050914
  162. Yoshimura M., Nishiwaki S., Izui K., "A multiple cross-sectional shape optimization method for automotive body frames", Journal of Mechanical Design 127(1), 49-57, 2005.
    doi:10.1115/1.1814391
  163. Yoshimura M., Izui K., Kida S., "Decision support system for selecting collaborative product development partners", Concurrent Engineering Research and Applications 13(1), 5-11, 2005.
    doi:10.1177/1063293X05050910
  164. Kobayashi M., Yoshimura M., Izui K., "Collaboration support system based on visualization of communication processes", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 71(7), 2370-2377, 2005.
    doi:10.1299/kikaic.71.2370
  165. Takezawa A., Saitou T., Nishiwaki S., Izui K., Yoshimura M., "Topology optimization using frame elements (for cases where eigen-frequencies are to be maximized); [Topology optimization using frame elements (for cases where eigen-frequencies are to be maximized)]", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 71(10), 3018-3025, 2005.
    doi:10.1299/kikaic.71.3018
  166. Takezawa A., Nishiwaki S., Izui K., Yoshimura M., "Topology Optimization Using Structural Discrete Elements (In Cases where the Principal Direction of Moment of Inertia in Frame Element Cross-Section is Included as a Design Variable)", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 71(706), 1962-1969, 2005.
    doi:10.1299/kikaic.71.1962
  167. Maeda Y., Nishiwaki S., Izui K., Yoshimura M., Matsui K., Terada K., "Topology optimization of mechanical structures targeting vibration characteristics", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 71(3), 813-820, 2005.
    doi:10.1299/kikaic.71.813
  168. Yoshimura M., Kobayashi M., Izui K., "A Collaborative System for Supporting Creative Design Based on Designer's Interactive Communication", Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 70(2), 523-530, 2004.
    doi:10.1299/kikaic.70.523
  169. Izui K., "Optimization methods using genetic algorithms and their applications in initial design stage", Yosetsu Gakkai Shi/Journal of the Japan Welding Society 73(3), 13-18, 2004.
    doi:10.2207/qjjws1943.73.155
  170. Yoshimura M., Nishiwaki S., Izui K., "A cross-sectional shape initial design method for automotive frame structure using genetic algorithms", Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 70(1), 235-242, 2004.
    doi:10.1299/kikaic.70.235
  171. Yoshimura M., Izui K., "Hierarchical parallel processes of genetic algorithms for design optimization of large-scale products", Journal of Mechanical Design 126(2), 217-224, 2004.
    doi:10.1115/1.1666889
  172. Takezawa A., Nishiwaki S., Izui K., Yoshimura M., Nishigaki H., Tsurumi Y., "Topology optimization using structural discrete elements", Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 70(4), 1008-1015, 2004.
    doi:10.1299/kikaic.70.1008
  173. Hosoyama A., Nishiwaki S., Izui K., Yoshimura M., Matsui K., Terada K., "Structural topology optimization of compliant mechanisms (in cases where the ratio of the displacement at the input location to the displacement at the output location is included in an objective function)", Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 70(8), 2384-2391, 2004.
    doi:10.1299/kikaic.70.2384
  174. Yoshimura M., Izui K., Fujimi Y., "Optimizing the decision-making process for large-scale design problems according to criteria interrelationships", International Journal of Production Research 41(9), 1987-2002, 2003.
    doi:10.1080/0020754031000077301
  175. Yoshimura M., Izui K., "Design optimization of large scale products based on hierarchical partitioning technique of genetic algorithm processes", Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 69(3), 825-833, 2003.
    doi:10.1299/kikaic.69.825
  176. Yoshimura M., Izui K., "Smart optimization of machine systems using hierarchical genotype representations", Journal of Mechanical Design 124(3), 375-384, 2002.
    doi:10.1115/1.1486013
  177. Yoshimura M., Fujimi Y., Izui K., "Optimizing the decision making process based on the interrelationships among criteria", Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 68(4), 1310-1318, 2002.
    doi:10.1299/kikaic.68.1310
  178. Yoshimura M., Izui K., "Smart Optimization of Machine Systems Using Hierarchical Genotype Representation", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 66(649), 3215-3222, 2000.
    doi:10.1299/kikaic.66.3215
  179. Yoshimura M., Izui K., "Generation of Conceptual Mechanism Designs Based on Natural Forms and Shape Formation of Living Creatures", Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C 64(627), 4505-4511, 1998.
    doi: 10.1299/kikaic.64.4505
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