竹澤 晃弘

研究成果

年別の研究成果 2003 2014 2018 2019 2020 2021 2022 2023

• 78 Article
• 10 Conference contribution
• 3 Review article
• 2 Paper

年別の研究成果

年別の研究成果

検索結果

• Structural optimization based on the phase field method and sensitivity analysis

  Takezawa, A., Nishiwaki, S. & Kitamura, M., 2010 1月, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 76, 761, p. 1-9 9 p.

  研究成果: Article › 査読

  Open Access

  • Structural optimization 100%
  • Sensitivity analysis 76%
  • Double Well Potential 70%
  • Shape 56%
  • Compliance 52%

• Structural optimization based on topology optimization techniques using frame elements considering cross-sectional properties

  Takezawa, A., Nishiwaki, S., Izui, K. & Yoshimura, M., 2007 7月, In: Structural and Multidisciplinary Optimization. 34, 1, p. 41-60 20 p.

  研究成果: Article › 査読

  • Structural Optimization 100%
  • Topology Optimization 98%
  • Optimization Techniques 82%
  • Structural optimization 81%
  • Shape optimization 74%
  29 被引用数 (Scopus)

• Structural optimization for the design of band-gap structures using discrete structural elements

  Takezawa, A., Mogami, K., Nishiwaki, S., Izui, K., Yoshimura, M. & Kitamura, M., 2008 4月, In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 74, 4, p. 780-788 9 p.

  研究成果: Article › 査読

  Open Access

  • Structural optimization 100%
  • Energy gap 98%
  • Acoustic devices 29%
  • Acoustic waves 27%
  • Elastic waves 22%

• Structural optimization of stiffener layout for stiffened plate using hybrid GA

  Putra, G. L., Kitamura, M. & Takezawa, A., 2019 7月, In: International Journal of Naval Architecture and Ocean Engineering. 11, 2, p. 809-818 10 p.

  研究成果: Article › 査読

  Open Access

  • Structural optimization 100%
  • Genetic algorithms 61%
  • Ships 35%
  • Shipyards 27%
  • Industry 9%
  14 被引用数 (Scopus)

• Structural optimization using function-oriented elements to support conceptual designs

  Takezawa, A., Nishiwaki, S., Izui, K. & Yoshimura, M., 2006 7月, In: Journal of Mechanical Design, Transactions of the ASME. 128, 4, p. 689-700 12 p.

  研究成果: Article › 査読

  • Structural optimization 100%
  • Conceptual design 89%
  • Decision making 21%
  • Engineers 20%
  11 被引用数 (Scopus)

• Structural topology optimization with strength and heat conduction constraints

  Takezawa, A., Yoon, G. H., Jeong, S. H., Kobashi, M. & Kitamura, M., 2014 7月 1, In: Computer Methods in Applied Mechanics and Engineering. 276, p. 341-361 21 p.

  研究成果: Article › 査読

  • Structural Optimization 100%
  • Topology Optimization 98%
  • Structural optimization 81%
  • Stress Constraints 80%
  • Thermal Expansion 75%
  80 被引用数 (Scopus)

• Study on optimal design of a folding-type hatch cover considering material selection

  Putra, G. L., Kitamura, M. & Takezawa, A., 2021, In: Journal of Ship Production and Design. 37, 4, p. 237-247 11 p.

  研究成果: Article › 査読

  • Hatch covers 100%
  • Shipyards 18%
  • Costs 16%
  • Industry 12%
  • Genetic algorithms 10%

• Study on sliding-window length based on Rayleigh backscattering spectrum correlation in distributed optical-fiber strain measurement

  Suo, L., Lei, Z., Zhao, S., Wu, Z. & Takezawa, A., 2019 1月, In: Optical Fiber Technology. 47, p. 126-132 7 p.

  研究成果: Article › 査読

  • Backscattering 100%
  • Strain measurement 85%
  • strain measurement 81%
  • Optical fibers 73%
  • sliding 66%
  4 被引用数 (Scopus)

• Systematic method for positioning clamps and strongbacks based on their influence on welding displacements

  Woo, D., Kitamura, M. & Takezawa, A., 2020 4月 15, In: Ocean Engineering. 202, 107084.

  研究成果: Article › 査読

  • Clamping devices 100%
  • welding 98%
  • positioning 82%
  • Displacement 72%
  • Welding 71%
  7 被引用数 (Scopus)

• Temperature distribution design based on variable lattice density optimization and metal additive manufacturing

  Ueno, A., Guo, H., Takezawa, A., Moritoyo, R. & Kitamura, M., 2021 7月, In: Symmetry. 13, 7, 1194.

  研究成果: Article › 査読

  Open Access

  • Temperature Distribution 100%
  • Metals 89%
  • Manufacturing 88%
  • 3D printers 78%
  • Topological Optimization 77%
  5 被引用数 (Scopus)

• Topology optimisation of a porous unit cell in a fluid flow considering Forchheimer drag

  Takezawa, A., Zhang, X., Tanaka, T. & Kitamura, M., 2020 1月 2, In: International Journal of Computational Fluid Dynamics. 34, 1, p. 50-60 11 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Drag 88%
  • Shape optimization 75%
  • Fluid Flow 69%
  • fluid flow 68%
  3 被引用数 (Scopus)

• Topology optimization and characterization of Ti6Al4V ELI cellular lattice structures by laser powder bed fusion for biomedical applications

  Vilardell, A. M., Takezawa, A., du Plessis, A., Takata, N., Krakhmalev, P., Kobashi, M., Yadroitsava, I. & Yadroitsev, I., 2019 10月 24, In: Materials Science and Engineering A. 766, 138330.

  研究成果: Article › 査読

  • Crystal System 100%
  • Shape optimization 92%
  • beds 83%
  • topology 76%
  • Powders 70%
  33 被引用数 (Scopus)

• Topology optimization for designing strain-gauge load cells

  Takezawa, A., Nishiwaki, S., Kitamura, M. & Silva, E. C. N., 2010 9月, In: Structural and Multidisciplinary Optimization. 42, 3, p. 387-402 16 p.

  研究成果: Article › 査読

  • Strain Gauge 100%
  • Topology Optimization 76%
  • Shape optimization 57%
  • Strain gages 55%
  • Cell 40%
  21 被引用数 (Scopus)

• Topology optimization for realizing tailored self-collimation in phononic crystals

  Jia, Z., Luo, Y., Takezawa, A. & Zhang, X., 2022 9月 30, In: International Journal for Numerical Methods in Engineering. 123, 18, p. 4170-4182 13 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Shape optimization 75%
  • Crystal 74%
  • Crystals 70%
  • Angle 30%
  1 被引用数 (Scopus)

• Topology optimization for structural design of transducers using strain gauges

  Takezawa, A., Nishiwaki, S. & Kitamura, M., 2008 11月, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 74, 11, p. 1459-1468 10 p.

  研究成果: Article › 査読

  Open Access

  • Shape optimization 100%
  • Strain gages 96%
  • Structural design 91%
  • Transducers 89%
  • Strain 66%
  5 被引用数 (Scopus)

• Topology optimization for worst load conditions based on the eigenvalue analysis of an aggregated linear system

  Takezawa, A., Nii, S., Kitamura, M. & Kogiso, N., 2011 6月 15, In: Computer Methods in Applied Mechanics and Engineering. 200, 25-28, p. 2268-2281 14 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Eigenvalue Analysis 98%
  • linear systems 80%
  • Shape optimization 75%
  • Linear systems 64%
  67 被引用数 (Scopus)

• Topology optimization of compliant circular path mechanisms based on an aggregated linear system and singular value decomposition

  Takezawa, A. & Kitamura, M., 2012 2月 10, In: International Journal for Numerical Methods in Engineering. 89, 6, p. 706-725 20 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Singular value decomposition 78%
  • Shape optimization 75%
  • Linear systems 64%
  • Linear Systems 51%
  4 被引用数 (Scopus)

• Topology optimization of composite macrostructures comprising multi-phase viscoelastic composite microstructures for enhanced structural damping

  Zhang, H., Takezawa, A., Ding, X., Guo, H., Ni, W. & Zhang, X., 2021 12月 15, In: Composite Structures. 278, 114712.

  研究成果: Article › 査読

  • Shape optimization 100%
  • Damping 71%
  • Microstructure 63%
  • Composite materials 54%
  • Composite Material 47%
  2 被引用数 (Scopus)

• Topology optimization of damping material for reducing resonance response based on complex dynamic compliance

  Takezawa, A., Daifuku, M., Nakano, Y., Nakagawa, K., Yamamoto, T. & Kitamura, M., 2016 3月 17, In: Journal of Sound and Vibration. 365, p. 230-243 14 p.

  研究成果: Article › 査読

  • Shape optimization 100%
  • Compliance 82%
  • topology 82%
  • damping 75%
  • Damping 71%
  49 被引用数 (Scopus)

• Topology optimization of degradable composite structures with time-changeable stiffness

  Zhang, H., Takezawa, A., Ding, X., Xu, S., Li, H. & Guo, H., 2021 9月 15, In: International Journal for Numerical Methods in Engineering. 122, 17, p. 4751-4773 23 p.

  研究成果: Article › 査読

  • Composite Structures 100%
  • Topology Optimization 94%
  • Degradation 82%
  • Stiffness 74%
  • Shape optimization 71%
  2 被引用数 (Scopus)

• Topology optimization of multi-axis force transducer structures based on singular value decomposition

  Takezawa, A., Nishiwaki, S., Kitamura, M. & Silva, E. C. N., 2008 10月, In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 74, 10, p. 2462-2470 9 p.

  研究成果: Article › 査読

  Open Access

  • Shape optimization 100%
  • Singular value decomposition 97%
  • Transducers 89%
  • Sensors 48%
  • Specifications 24%

• Topology optimization of piezoelectric smart structures for minimum energy consumption under active control

  Zhang, X., Takezawa, A. & Kang, Z., 2018 7月 1, In: Structural and Multidisciplinary Optimization. 58, 1, p. 185-199 15 p.

  研究成果: Article › 査読

  • Smart Structures 100%
  • Energy Consumption 84%
  • Active Control 78%
  • Topology Optimization 77%
  • Piezoelectric 71%
  23 被引用数 (Scopus)

• Topology optimization using frame elements (for cases where eigen-frequencies are to be maximized)

  Takezawa, A., Saitou, T., Nishiwaki, S., Izui, K. & Yoshimura, M., 2005 10月, In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 71, 10, p. 3018-3025 8 p.

  研究成果: Article › 査読

  Open Access

  • Shape optimization 100%
  • Conceptual design 64%
  • Engineers 22%

• Topology optimization using structural discrete elements

  Takezawa, A., Nishiwaki, S., Izui, K., Yoshimura, M., Nishigaki, H. & Tsurumi, Y., 2004 4月, In: Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 70, 4, p. 1008-1015 8 p.

  研究成果: Article › 査読

  Open Access

  • Computer aided engineering 100%
  • Shape optimization 94%
  • Continuum mechanics 39%
  • Structural optimization 34%
  • Convex optimization 31%
  3 被引用数 (Scopus)

• 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)

  Takezawa, A., Nishiwaki, S., Izui, K. & Yoshimura, M., 2005, In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 71, 706, p. 1962-1969 8 p.

  研究成果: Article › 査読

  Open Access

  • Shape optimization 100%
  • Conceptual design 64%
  • Decision making 22%
  • Engineers 22%

• Two-stage layout–size optimization method for prow stiffeners

  Liu, Z., Cho, S., Takezawa, A., Zhang, X. & Kitamura, M., 2019 1月, In: International Journal of Naval Architecture and Ocean Engineering. 11, 1, p. 44-51 8 p.

  研究成果: Article › 査読

  Open Access

  • Ships 100%
  • Conceptual design 50%
  • Shape optimization 25%
  • Costs 9%
  4 被引用数 (Scopus)

• アディティブマニュファクチャリングによる最適化構造の創製

  Takezawa, A., 2020 6月 5, In: Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering. 86, 6, p. 405-408 4 p.

  研究成果: Article › 査読

• 傾 斜 機 能 ラ 亍 イ ス 構 造 に よ る 構 造 体 表 面 の 接 触 反 力 最 適 化

  Yanagihara, K., Ueno, A. & Takezawa, A., 2022, In: Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering. 88, 4, p. 352-358 7 p.

  研究成果: Article › 査読

  Open Access

  • Surface reactions 100%
  • Stiffness 48%
  • Homogenization method 24%
  • Forging 18%
  • 3D printers 17%