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

• Method to optimize an additively-manufactured functionally-graded lattice structure for effective liquid cooling

  Takezawa, A., Zhang, X., Kato, M. & Kitamura, M., 2019 8月, In: Additive Manufacturing. 28, p. 285-298 14 p.

  研究成果: Article › 査読

  • Crystal System 100%
  • Cooling 77%
  • Liquids 58%
  • Coolant 58%
  • Flow 56%
  33 被引用数 (Scopus)

• Mechanical behavior of in-situ alloyed Ti6Al4V(ELI)-3 at.% Cu lattice structures manufactured by laser powder bed fusion and designed for implant applications

  Vilardell, A. M., Takezawa, A., du Plessis, A., Takata, N., Krakhmalev, P., Kobashi, M., Albu, M., Kothleitner, G., Yadroitsava, I. & Yadroitsev, I., 2021 1月, In: Journal of the Mechanical Behavior of Biomedical Materials. 113, 104130.

  研究成果: Article › 査読

  Open Access

  • Alloying 100%
  • Crystal System 98%
  • Implant 85%
  • Powders 70%
  • Fusion reactions 69%
  13 被引用数 (Scopus)

• Lemperature distribution design of functionally graded structure based on lattice volume fraction distribution optimization and metal additive manufacturing

  Ueno, A., Guo, H., Moritoyo, R., Takezawa, A. & Kitamura, M., 2021, In: Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering. 87, 10, p. 827-833 7 p.

  研究成果: Article › 査読

  Open Access

  • 3D printers 100%
  • Volume fraction 91%
  • Metals 64%
  • Thermal conductivity 34%
  • Homogenization method 17%

• Layout optimization methodology of piezoelectric transducers in energy-recycling semi-active vibration control systems

  Takezawa, A., Makihara, K., Kogiso, N. & Kitamura, M., 2014 1月 20, In: Journal of Sound and Vibration. 333, 2, p. 327-344 18 p.

  研究成果: Article › 査読

  • Piezoelectric transducers 100%
  • Lead zirconate titanate 91%
  • piezoelectric transducers 86%
  • recycling 85%
  • Vibration control 79%
  36 被引用数 (Scopus)

• Isotropic Ti–6Al–4V lattice via topology optimization and electron-beam melting

  Takezawa, A., Yonekura, K., Koizumi, Y., Zhang, X. & Kitamura, M., 2018 8月, In: Additive Manufacturing. 22, p. 634-642 9 p.

  研究成果: Article › 査読

  Open Access

  • Electron Beam Melting 100%
  • Electron beam melting 88%
  • Shape optimization 62%
  • Crystal System 40%
  • Powders 37%
  36 被引用数 (Scopus)

• Island scanning pattern optimization for residual deformation mitigation in laser powder bed fusion via sequential inherent strain method and sensitivity analysis

  Chen, Q., Taylor, H., Takezawa, A., Liang, X., Jimenez, X., Wicker, R. & To, A. C., 2021 10月, In: Additive Manufacturing. 46, 102116.

  研究成果: Article › 査読

  • Rod Like Crystal 100%
  • Cooling 94%
  • Sensitivity analysis 94%
  • Heat Treatment 90%
  • Powders 86%
  18 被引用数 (Scopus)

• Inverse analysis of giant macroscopic negative thermal expansion of Ca₂RuO_4%y ceramics based on elasticity and structural topology optimization

  Takezawa, A., Takenaka, K. & Zhang, X., 2018 5月, In: Applied Physics Express. 11, 5, 055801.

  研究成果: Article › 査読

  • Negative thermal expansion 100%
  • Structural optimization 61%
  • Shape optimization 57%
  • Elasticity 50%
  • topology 47%
  12 被引用数 (Scopus)

• High-stiffness and strength porous maraging steel via topology optimization and selective laser melting

  Takezawa, A., Koizumi, Y. & Kobashi, M., 2017 12月 1, In: Additive Manufacturing. 18, p. 194-202 9 p.

  研究成果: Article › 査読

  • Maraging steel 100%
  • Selective laser melting 88%
  • Pore structure 87%
  • Shape optimization 74%
  • Melting 60%
  39 被引用数 (Scopus)

• Geometrical design of thermoelectric generators based on topology optimization

  Takezawa, A. & Kitamura, M., 2012 6月 15, In: International Journal for Numerical Methods in Engineering. 90, 11, p. 1363-1392 30 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Shape optimization 75%
  • Generator 52%
  • Design 44%
  • Optimization Methods 38%
  21 被引用数 (Scopus)

• Finite element simulation of the compressive response of additively manufactured lattice structures with large diameters

  Guo, H., Takezawa, A., Honda, M., Kawamura, C. & Kitamura, M., 2020 4月 1, In: Computational Materials Science. 175, 109610.

  研究成果: Article › 査読

  • Finite Element Simulation 100%
  • Lattice Structure 82%
  • Crystal System 77%
  • Cubic Space Group 55%
  • Simulation 42%
  36 被引用数 (Scopus)

• Enhancement of non-resonant dielectric cloaks using anisotropic composites

  Takezawa, A. & Kitamura, M., 2014 1月, In: AIP Advances. 4, 1, 017106.

  研究成果: Article › 査読

  Open Access

  • composite materials 100%
  • augmentation 99%
  • physical properties 76%
  • scattering 50%
  • optimization 43%
  2 被引用数 (Scopus)

• Eigenfrequecy-based damage identification method for non-destructive testing based on topology optimization

  Nishizu, T., Takezawa, A. & Kitamura, M., 2017 3月 4, In: Engineering Optimization. 49, 3, p. 417-433 17 p.

  研究成果: Article › 査読

  • Damage Identification 100%
  • Nondestructive Testing 73%
  • Topology Optimization 68%
  • Topology 55%
  • Shape optimization 52%
  7 被引用数 (Scopus)

• Development of a novel phase-field method for local stress-based shape and topology optimization

  Jeong, S. H., Yoon, G. H., Takezawa, A. & Choi, D. H., 2014 2月, In: Computers and Structures. 132, p. 84-98 15 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Phase Field 97%
  • Shape Optimization 89%
  • Shape optimization 75%
  • Stress Constraints 60%
  32 被引用数 (Scopus)

• Design optimization of functionally graded lattice infill total hip arthroplasty stem for stress shielding reduction

  Nomura, J., Takezawa, A., Zhang, H. & Kitamura, M., 2022 4月, In: Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine. 236, 4, p. 515-525 11 p.

  研究成果: Article › 査読

  • Arthroplasty 100%
  • Shielding 72%
  • Homogenization method 32%
  • Stiffness 32%
  • Physical properties 20%
  2 被引用数 (Scopus)

• Design methodology using topology optimization for anti-vibration reinforcement of generators in a ship's engine room

  Daifuku, M., Nishizu, T., Takezawa, A., Kitamura, M., Terashita, H. & Ohtsuki, Y., 2016 2月 1, In: Proceedings of the Institution of Mechanical Engineers Part M: Journal of Engineering for the Maritime Environment. 230, 1, p. 216-226 11 p.

  研究成果: Article › 査読

  • Shape optimization 100%
  • Ships 77%
  • Reinforcement 75%
  • Engines 60%
  • Finite element method 29%
  3 被引用数 (Scopus)

• Design methodology of piezoelectric energy-harvesting skin using topology optimization

  Takezawa, A., Kitamura, M., Vatanabe, S. L. & Silva, E. C. N., 2014 2月, In: Structural and Multidisciplinary Optimization. 49, 2, p. 281-297 17 p.

  研究成果: Article › 査読

  • Energy Harvesting 100%
  • Topology Optimization 78%
  • Design Methodology 73%
  • Piezoelectric 72%
  • Skin 71%
  35 被引用数 (Scopus)

• Design methodology of magnetic fields and structures for magneto-mechanical resonator based on topology optimization

  Takezawa, A., Lee, J. & Kitamura, M., 2018 3月 1, In: Optimization and Engineering. 19, 1, p. 19-38 20 p.

  研究成果: Article › 査読

  • Magnetic structure 100%
  • Resonator 90%
  • Topology Optimization 90%
  • Design Methodology 84%
  • Shape optimization 68%
  2 被引用数 (Scopus)

• Design methodology for porous composites with tunable thermal expansion produced by multi-material topology optimization and additive manufacturing

  Takezawa, A. & Kobashi, M., 2017 12月 15, In: Composites Part B: Engineering. 131, p. 21-29 9 p.

  研究成果: Article › 査読

  • Thermal Expansion 100%
  • Shape optimization 99%
  • Thermal expansion 95%
  • 3D printers 92%
  • Negative thermal expansion 87%
  91 被引用数 (Scopus)

• Designing piezoresistive plate-based sensors with distribution of piezoresistive material using topology optimization

  Mello, L. A. M., Takezawa, A. & Silva, E. C. N., 2012 8月, In: Smart Materials and Structures. 21, 8, 085029.

  研究成果: Article › 査読

  • Shape optimization 100%
  • topology 82%
  • Plate Like Crystal 74%
  • Membranes 66%
  • Pressure Sensor 66%
  9 被引用数 (Scopus)

• Cross-sectional shape optimization of whispering-gallery ring resonators

  Takezawa, A. & Kitamura, M., 2012 9月 1, In: Journal of Lightwave Technology. 30, 17, p. 2776-2782 7 p., 6235968.

  研究成果: Article › 査読

  • shape optimization 100%
  • resonators 50%
  • Q factors 46%
  • rings 45%
  • optimization 17%
  8 被引用数 (Scopus)

• Cross-sectional optimization of whispering-gallery mode sensor with high electric field intensity in the detection domain

  Takezawa, A., Haraguchi, M., Okamoto, T. & Kitamura, M., 2014, In: IEEE Journal on Selected Topics in Quantum Electronics. 20, 6, p. 381-390 10 p., 6810133.

  研究成果: Article › 査読

  • Whispering gallery modes 100%
  • whispering gallery modes 66%
  • Electric fields 52%
  • optimization 37%
  • sensors 34%
  5 被引用数 (Scopus)

• Concurrent design and evaluation based on structural optimization using structural and function-oriented elements at the conceptual design phase

  Takezawa, A., Nishiwaki, S., Izui, K., Yoshimura, M., Nishigaki, H. & Tsurumi, Y., 2005 3月, In: Concurrent Engineering Research and Applications. 13, 1, p. 29-42 14 p.

  研究成果: Article › 査読

  • Conceptual Design 100%
  • Structural Optimization 81%
  • Structural optimization 65%
  • Concurrent 63%
  • Conceptual design 58%
  13 被引用数 (Scopus)

• Cellular lattices of biomedical Co-Cr-Mo-alloy fabricated by electron beam melting with the aid of shape optimization

  Koizumi, Y., Okazaki, A., Chiba, A., Kato, T. & Takezawa, A., 2016 10月 1, In: Additive Manufacturing. 12, p. 305-313 9 p.

  研究成果: Article › 査読

  • Electron Beam Melting 100%
  • Electron beam melting 88%
  • Shape optimization 62%
  • Shape 38%
  • Porosity 25%
  39 被引用数 (Scopus)

• Bi-material microstructural design of biodegradable composites using topology optimization

  Zhang, H., Takezawa, A., Ding, X., Xu, S., Duan, P., Li, H. & Guo, H., 2021 11月 1, In: Materials and Design. 209, 109973.

  研究成果: Article › 査読

  Open Access

  • Material Degradation Process 100%
  • Shape optimization 69%
  • Composite materials 38%
  • Degradation 34%
  • Composite Material 32%
  3 被引用数 (Scopus)

• A topology optimization method based on the level set method incorporating a fictitious interface energy

  Yamada, T., Izui, K., Nishiwaki, S. & Takezawa, A., 2010 11月 15, In: Computer Methods in Applied Mechanics and Engineering. 199, 45-48, p. 2876-2891 16 p.

  研究成果: Article › 査読

  • Topology Optimization 100%
  • Level Set Method 97%
  • Optimization Methods 76%
  • Shape optimization 75%
  • topology 62%
  427 被引用数 (Scopus)

• A structural optimization method incorporating level set boundary expressions based on the concept of the phase field method

  Yamada, T., Nishiwaki, S., Izui, K., Yoshimura, M. & Takezawa, A., 2009 5月, In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 75, 753, p. 550-558 9 p.

  研究成果: Article › 査読

  Open Access

  • Compliance 100%
  • Structural optimization 94%
  • Industry 60%
  • Set theory 53%
  • Shape optimization 37%
  11 被引用数 (Scopus)

• A phase-field based robust topology optimization method for phononic crystals design considering uncertain diffuse regions

  Zhang, X., Takezawa, A. & Kang, Z., 2019 4月 1, In: Computational Materials Science. 160, p. 159-172 14 p.

  研究成果: Article › 査読

  • Band Gap 100%
  • Topology Optimization 88%
  • Phase Field 86%
  • Robust Optimization 84%
  • Energy gap 71%
  20 被引用数 (Scopus)

• An objective function for the topology optimization of sound-absorbing materials

  Takezawa, A., Yamamoto, T., Zhang, X., Yamakawa, K., Nakano, S. & Kitamura, M., 2019 3月 17, In: Journal of Sound and Vibration. 443, p. 804-819 16 p.

  研究成果: Article › 査読

  • Shape optimization 100%
  • topology 82%
  • Acoustic waves 74%
  • optimization 62%
  • acoustics 54%
  11 被引用数 (Scopus)