Updated on 2025/11/03

写真a

 
YAMASAKI, Shintaro
 
Affiliation
Faculty of Science and Engineering, Graduate School of Information, Production, and Systems
Job title
Professor
Degree
修士(工学) ( 京都大学 )
博士(工学) ( 京都大学 )

Research Experience

  • 2022.04
    -
    Now

    Waseda University   Graduate School of Information Production and Systems   Professor

  • 2013.01
    -
    2022.03

    大阪大学大学院   工学研究科 機械工学専攻   准教授

  • 2010.04
    -
    2012.12

    Shibaura Institute of Technology   Department of Machinery and Control Systems, College of Systems Engineering and Science

  • 2007.11
    -
    2010.03

    Toyota Central R&D Labs., Inc.

  • 1999.04
    -
    2007.09

    ローム株式会社

Education Background

  • 2006.04
    -
    2009.03

    京都大学大学院   工学研究科   航空宇宙工学専攻 博士後期課程  

  • 1997.04
    -
    1999.03

    京都大学大学院   工学研究科   精密工学専攻 修士課程  

  • 1993.04
    -
    1997.03

    Kyoto University   Faculty of Engineering  

Professional Memberships

  • 2012.08
    -
    Now

    日本シミュレーション学会

  • 2010.06
    -
    Now

    日本設計工学会

  • 2009.12
    -
    Now

    電子情報通信学会

  • 2006.04
    -
    Now

    日本計算工学会

  • 2006.03
    -
    Now

    日本機械学会

Research Areas

  • Electron device and electronic equipment / Design engineering / Mechanics of materials and materials / Computational science

Research Interests

  • Integrated devices

  • 最適設計

  • 構造最適化

  • トポロジー最適化

  • 機械学習

  • データサイエンス

▼display all

Awards

  • Achievement Award

    2021.09  

    Winner： Shintaro Yamasaki

  • 第24回計算工学講演会グラフィクスアワード最優秀賞

    2019.05   日本計算工学会  

    Winner： 山崎慎太郎

  • 2014年度フロンティア業績表彰

    2014.09   日本機械学会 設計工学・システム部門  

    Winner： 山崎慎太郎

 

Papers

  • Innovative tensegrity-based vascular stent design using multi-level optimization

    Chang Z, Sheng Y, Yamasaki S

    Structural and Multidisciplinary Optimization   68 ( 8 )  2025.08  [Refereed]

    Authorship：Last author

    　View Summary

    Abstract

    Traditional medical stents often encounter postoperative complications due to their extensive contact area with blood vessels and substantial weight. In contrast, the innovative design principles of tensegrity structures offer a fresh perspective for stent structural design. In this study, four different tensegrity stents are designed and optimized via multi-level optimization method. In the multi-level optimization process, the genetic algorithm is firstly used to optimize the tensegrity unit, and then optimize the combination process of the optimal tensegrity unit utilize same method; at the same time, the strut part is topology optimized based on the optimal unit, finally the optimal results are combined to obtain the final structure. By comparing the maximum von Mises stress of the tensegrity stent and the traditional stent under the same stress conditions, it is proved that the tensegrity stent exhibits significantly higher radial stiffness. In the last step, computational fluid dynamics is used to simulate the traditional structure and the optimal structure designed in this research. By comparing the shear stress and pressure of these two stents on the blood vessel wall, the superiority of the vascular stent designed based on the tensegrity structure is proved.

    DOI

    Scopus

  • Image fragmented learning for data-driven topology design

    Yang Y, Yaji K, Yamasaki S, Fujita K

    Structural and Multidisciplinary Optimization   68 ( 8 )  2025.08  [Refereed]

    　View Summary

    Abstract

    This paper proposes a data-driven topology design (DDTD) framework, incorporating $$\textit{image\,fragmented\,learning}$$ that leverages the technique of dividing an image into smaller segments for learning each fragment. This framework is designed to tackle the challenges of high-dimensional, multi-objective optimization problems. Original DDTD methods leverage the sensitivity-free nature and high capacity of deep generative models to effectively address strongly nonlinear problems. However, their training effectiveness significantly diminishes as input size exceeds a certain threshold, which poses challenges in maintaining the high degrees of freedom crucial for accurately representing complex structures. To address this limitation, we split a trained conditional generative adversarial network into two interconnected modules: the first performs dimensionality reduction, compressing high-dimensional data into a lower-dimensional representation, which is then fed into a variational autoencoder (VAE) to generate new low-dimensional data. The second module reconstructs the generated low-dimensional data back into the high-dimensional design space. The effectiveness of the proposed approach is demonstrated through two case studies: the optimization of an L-bracket design problem and a turbulent heat transfer design problem, both involving design variables at a scale unattainable by the conventional VAE-based method.

    DOI

    Scopus

  • Data-Driven Topology Design for Conductor Layout Problem of Electromagnetic Interference Filter

    Zhou D., Nomura K., Yamasaki S.

    IEEE Transactions on Electromagnetic Compatibility   67 ( 3 ) 872 - 883  2025.06  [Refereed]

    Authorship：Last author, Corresponding author

    DOI

  • Data-driven topology design based on principal component analysis for 3D structural design problems

    Yang J, Yaji K, Yamasaki S

    Structural and Multidisciplinary Optimization   68 ( 5 )  2025.05  [Refereed]

    Authorship：Last author

    　View Summary

    Abstract

    Topology optimization is a structural design methodology widely utilized to address engineering challenges. However, sensitivity-based topology optimization methods struggle to solve optimization problems characterized by strong non-linearity. Leveraging the sensitivity-free nature and high capacity of deep generative models, data-driven topology design (DDTD) methodology is considered an effective solution to this problem. Despite this, the training effectiveness of deep generative models diminishes when input size exceeds a threshold while maintaining high degrees of freedom is crucial for accurately characterizing complex structures. To resolve the conflict between the both, we propose DDTD based on principal component analysis (PCA). Its core idea is to replace the direct training of deep generative models with material distributions using a principal component score matrix obtained from PCA computation and to obtain the generated material distributions with new features through the restoration process. We apply the proposed PCA-based DDTD to the problem of minimizing the maximum stress in 3D structural mechanics and demonstrate that it can effectively address the current challenges faced by DDTD that fail to handle 3D structural design problems. Various experiments are conducted to demonstrate the effectiveness and practicability of the proposed PCA-based DDTD.

    DOI

    Scopus

    2
    Citation
    (Scopus)

  • Enhanced data-driven topology design with multilevel mesh and correlation-based mutation for stress-related multi-objective optimization

    Yang J, Yamasaki S

    Structural and Multidisciplinary Optimization   68 ( 5 )  2025.05  [Refereed]

    Authorship：Last author

    　View Summary

    Abstract

    Topology optimization (TO) serves as a widely applied structural design approach to tackle various engineering problems. Nevertheless, sensitivity-based TO methods usually struggle with solving strongly nonlinear optimization problems. By leveraging high capacity of deep generative model, which is an influential machine learning technique, the sensitivity-free data-driven topology design (DDTD) methodology is regarded as an effective means of overcoming these issues. The DDTD methodology depends on initial dataset with a certain regularity, making its results highly sensitive to initial dataset quality. This limits its effectiveness and generalizability, especially for optimization problems without priori information. In this research, we proposed a multi-level mesh DDTD-based method with correlation-based mutation module to escape from the limitation of the quality of the initial dataset on the results and enhance computational efficiency. The core is to employ a correlation-based mutation module to assign new geometric features with physical meaning to the generated data, while utilizing a multi-level mesh strategy to progressively enhance the refinement of the structural representation, thus avoiding the maintenance of a high degree-of-freedom (DOF) representation throughout the iterative process. The proposed multi-level mesh DDTD-based method can be driven by a low-quality initial dataset without the need for time-consuming construction of a specific dataset, thus significantly increasing generality and reducing application difficulty, while further lowering computational cost of DDTD methodology. Various comparison experiments with the traditional sensitivity-based TO methods on stress-related strongly nonlinear problems demonstrate the generality and effectiveness of the proposed method.

    DOI

    Scopus

  • Design, Control, and Analysis of a 3-Degree-of-Freedom Kinematic-Biologically Matched Hip Joint Structure for Lower Limb Exoskeleton

    Wang Y, Wu X, Fang Y, Osawa K, Nakagawa K, Yamasaki S, Tanaka E

    Machines   12 ( 12 ) 924 - 924  2024.12  [Refereed]

    　View Summary

    The increasing demand for rehabilitation and walking assistive devices driven by aging populations has promoted the development of a novel hip joint structure. This design aims to enhance the functionality of lower limb exoskeletons by eliminating the kinematic mismatch with the human’s biological hip. The design utilizes three 1-DOF (Degree of Freedom) rotational joints to replicate natural hip movement. By integrating IMU data, motor compensation is dynamically made to facilitate a more natural gait. Experimental results indicate improved hip joint angles and enhanced user comfort, presenting a promising solution for better walking assistance for elderly individuals.

    DOI

    Scopus

    1
    Citation
    (Scopus)

  • Data-driven Topology Design for High Degree of Freedom Design Problems

    Yang J., Yamasaki S.

    Proceedings of the 18th International Collaboration Symposium on Information, Production and Systems    2024.11

    Authorship：Last author

  • Innovative Vascular Stent Design Utilizing Tensegrity Structure

    Chang Z., Yamasaki S.

    Proceedings of the 18th International Collaboration Symposium on Information, Production and Systems    2024.11

    Authorship：Last author

  • One-degree-of-freedom planar link leg mechanisms design without predetermined trajectory using a genetic algorithm

    Matsumoto Y, Yamasaki S, Inoue Y

    Journal of Advanced Mechanical Design, Systems, and Manufacturing   18 ( 6 ) JAMDSM0075 - JAMDSM0075  2024.10  [Refereed]

    DOI

    Scopus

    1
    Citation
    (Scopus)

  • A Design Method of Tread Patterns Simultaneously Realizing Functionality and Aesthetics by Using Data-Driven Optimization Computation

    Kii T, Imamura K, Tsumoto R, Yamasaki S, Yaji K, Fujita K

    JOURNAL OF JAPAN SOCIETY FOR DESIGN ENGINEERING   59 ( 10 ) 493 - 506  2024.10  [Refereed]

    DOI

  • Mechanical Design of a 3-DOF Kinematic-Biological Matched Hip Joint Structure for Lower Limb Exoskeleton

    Wang Y., Wu X., Fang Y., Osawa K., Nakagawa K., Yamasaki S., Tanaka E.

    Mechanisms and Machine Science     228 - 236  2024.09

    DOI

    Scopus

    1
    Citation
    (Scopus)

  • Loading Force Prediction for Fish Vertebrae Based on Topology Optimization and Deep Learning

    Yang L., Sakashita M., Yamasaki S.

    Proceedings of the 17th International Collaboration Symposium on Information, Production and Systems    2023.11

    Authorship：Last author

  • Classification-directed conceptual structure design based on topology optimization, deep clustering, and logistic regression

    Tsumoto R, Fujita K, Nomaguchi Y, Yamasaki S, Yaji K

    Proceedings of the ASME 2022 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference   ( DETC2022-88548 )  2022.08  [Refereed]

  • Data-driven multifidelity topology design using a deep generative model: Application to forced convection heat transfer problems

    Yaji K, Yamasaki S, Fujita K

    Computer Methods in Applied Mechanics and Engineering   388   114284  2022.01  [Refereed]  [International journal]

    DOI

    Scopus

    44
    Citation
    (Scopus)

  • Data-driven topology design using a deep generative model

    Yamasaki S, Yaji K, Fujita K

    Structural and Multidisciplinary Optimization   64 ( 3 ) 1401 - 1420  2021.09  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    37
    Citation
    (Scopus)

  • Design concept generation with variational deep embedding over comprehensive optimization

    Fujita K, Minowa K, Nomaguchi Y, Yamasaki S, Yaji K

    Proceedings of the ASME 2021 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference   ( DETC2021-69544 )  2021.08  [Refereed]  [International journal]

    DOI

    Scopus

    12
    Citation
    (Scopus)

  • Three-dimensional topology optimization model to simulate the external shapes of bone.

    Sakashita M, Yamasaki S, Yaji K, Kawamoto A, Kondo S

    PLoS computational biology   17 ( 6 ) e1009043  2021.06  [Refereed]  [International journal]

    DOI PubMed

    Scopus

    6
    Citation
    (Scopus)

  • Layout design of components and conductors in noise filter by integrative optimization of structural topology and external variables

      2021   20210007  2021.04  [Refereed]  [Domestic journal]

    Authorship：Corresponding author

    DOI CiNii

  • Topology design of two-fluid heat exchange

    Kobayashi H, Yaji K, Yamasaki S, Fujita K

    Structural and Multidisciplinary Optimization   63 ( 2 ) 821 - 834  2021.02  [Refereed]  [International journal]

    DOI

    Scopus

    41
    Citation
    (Scopus)

  • Variational deep embedding mines concepts from comprehensive optimal designs

    Minowa K, Fujita K, Nomaguchi Y, Yamasaki S, Yaji K

    Proceedings of Ninth International Conference on Design Computing and Cognition     667 - 678  2020.12  [Refereed]  [International journal]

    DOI

    Scopus

    1
    Citation
    (Scopus)

  • Topology optimization incorporating external variables with metamodeling

    Maruyama S, Yamasaki S, Yaji K, Fujita K

    Structural and Multidisciplinary Optimization   62 ( 5 ) 2455 - 2466  2020.11  [Refereed]  [International journal]

    DOI

    Scopus

    4
    Citation
    (Scopus)

  • Multifidelity design guided by topology optimization

    Yaji K, Yamasaki S, Fujita K

    Structural and Multidisciplinary Optimization   61 ( 3 ) 1071 - 1085  2020.03  [Refereed]  [International journal]

    DOI

    Scopus

    29
    Citation
    (Scopus)

  • Computational design of flow fields for vanadium redox flow batteries via topology optimization

    Chen C. H, Yaji K, Yamasaki S, Tsushima S, Fujita K

    Journal of Energy Storage   26   100990 - 100990  2019.12  [Refereed]  [International journal]

    DOI

    Scopus

    71
    Citation
    (Scopus)

  • Freeform winglet design of fin-and-tube heat exchangers guided by topology optimization

    Kobayashi H, Yaji K, Yamasaki S, Fujita K

    Applied Thermal Engineering   161   114020  2019.10  [Refereed]  [International journal]

    DOI

    Scopus

    54
    Citation
    (Scopus)

  • Topology-optimization-based EMC design

    Nomura K, Takahashi A, Kojima T, Yamasaki S, Yaji K, Bo H, Fujita K

    Proceedings of 2019 International Symposium on Electromagnetic Compatibility - EMC EUROPE     933 - 937  2019.09  [Refereed]  [International journal]

    DOI

    Scopus

    4
    Citation
    (Scopus)

  • A framework of multi-fidelity topology design and its application to optimum design of flow fields in battery systems

    Yaji K, Yamasaki S, Tsushima S, Fujita K

    Proceedings of ASME 2019 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference   ( DETC2019-97675 )  2019.08  [Refereed]  [International journal]

    DOI

    Scopus

    5
    Citation
    (Scopus)

  • トポロジー最適化を用いたノイズフィルタにおける支配的なノイズの低減

    野村勝也, 高橋篤弘, 小島崇, 山﨑慎太郎, 矢地謙太郎, 坊大貴, 藤田喜久雄

    電子情報通信学会論文誌B   J102-B ( 8 ) 669 - 673  2019.08  [Refereed]  [Domestic journal]

    DOI

  • Topology optimization of conductors in electrical circuit

    Nomura K, Yamasaki S, Yaji K, Bo H, Takahashi A, Kojima T, Fujita K

    Structural and Multidisciplinary Optimization   59 ( 6 ) 2205 - 2225  2019.06  [Refereed]  [International journal]

    DOI

    Scopus

    16
    Citation
    (Scopus)

  • Topologyoptimization-based conductor pattern design for inductance cancellation structure to reduce common- and differential-mode noise

    Nomura K, Takahashi A, Kojima T, Yamasaki S, Yaji K, Bo H, Fujita K

    Proceedings of the Applied Power Electronics Conference and Exposition 2019   ( 1269 )  2019.03  [Refereed]  [International journal]

    DOI

    Scopus

    1
    Citation
    (Scopus)

  • Knowledge discovery in databases for determining formulation in topology optimization

    Yamasaki S, Yaji K, Fujita K

    Structural and Multidisciplinary Optimization   59 ( 2 ) 595 - 611  2019.02  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    13
    Citation
    (Scopus)

  • Doping profile optimization for power devices using topology optimization

    Nomura K, Kondoh T, Ishikawa T, Yamasaki S, Yaji K, Fujita K

    IEEE Transactions on Electron Devices   65 ( 9 ) 3869 - 3877  2018.09  [Refereed]  [International journal]

    DOI

    Scopus

    2
    Citation
    (Scopus)

  • Topology design via physics-based surrogate optimization for turbulent heat transfer problem

    Yaji K, Yamasaki S, Fujita K

    Proceedings of Asian Congress of Structural and Multidisciplinary Optimization 2018   ( A020167 )  2018.05

  • Topology optimization for the design of flow fields in a redox flow battery

    Yaji K, Yamasaki S, Tsushima S, Suzuki T, Fujita K

    Structural and Multidisciplinary Optimization   57 ( 2 ) 535 - 546  2018.02  [Refereed]  [International journal]

    DOI

    Scopus

    90
    Citation
    (Scopus)

  • 永久磁石の配置とヨークの構造形態を考慮した同期モータの最適設計法

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    設計工学   53 ( 1 ) 97 - 110  2018.01  [Refereed]  [Domestic journal]

    DOI

  • Three-dimensional grayscale-free topology optimization using a level-set based r-refinement method

    Yamasaki S, Yamanaka S, Fujita K

    International Journal for Numerical Methods in Engineering   112 ( 10 ) 1402 - 1438  2017.12  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    10
    Citation
    (Scopus)

  • Multidisciplinary layout design optimization method using multi-fidelity analysis model inspired by the explicit method (Application to layout design problem considering a heat dissipation characteristic)

      83 ( 855 ) 17-00320  2017.11  [Refereed]  [Domestic journal]

    Authorship：Corresponding author

    DOI CiNii

  • Topology optimization of power semiconductor devices

    Nomura K, KondohT, Ishikawa T, Yamasaki S, Yaji K, Fujita K

    Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization   ( 406 )  2017.06  [International journal]

    DOI

  • Knowledge discovery in dataset generated by topology optimization

    Yamasaki S, Yaji K, Fujita K

    Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization   ( 428 )  2017.06  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

  • Integrated design of permanent magnet synchronous motor by incorporating magnet layout and yoke topology optimizations

    Maruyama S, Yamasaki S, Yaji K, Fujita K

    Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization   ( 418 )  2017.06  [International journal]

    DOI

  • Conductor layout optimization for reducing the magnetic coupling noise of a filter circuit board

    Bo H, Yamasaki S, Yaji K, Nomura K, Takahashi A, Fujita K

    Proceedings of 12th World Congress on Structural and Multidisciplinary Optimization   ( 412 )  2017.06  [International journal]

    DOI

  • Estimation of measurement errors in orthotropic elastic moduli determined from natural frequencies

    Saito A, Kawamoto A, Kuroishi M, Nakai H, Yamasaki S

    Structural and Multidisciplinary Optimization   55 ( 3 ) 987 - 999  2017.03  [Refereed]  [International journal]

    Authorship：Last author

    DOI

    Scopus

  • Grayscale-free topology optimization for electromagnetic design problem of in-vehicle reactor

    Yamasaki S, Kawamoto A, Saito A, Kuroishi M, Fujita K

    Structural and Multidisciplinary Optimization   55 ( 3 ) 1079 - 1090  2017.03  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    8
    Citation
    (Scopus)

  • Equivalent orthotropic elastic moduli identification method for laminated electrical steel sheets

    Saito A, Nishikawa Y, Yamasaki S, Fujita K, Kawamoto A, Kuroishi M, Nakai H

    Mechanical Systems and Signal Processing   72-73   607 - 628  2016.05  [Refereed]  [International journal]

    Authorship：Corresponding author

    DOI

    Scopus

    26
    Citation
    (Scopus)

  • Elastic moduli identification method for orthotropic structures based on vibration data

    Saito A, Nishikawa Y, Yamasaki S, Fujita K, Kawamoto A, Kuroishi M, Nakai H

    Proceedings of 11th World Congress on Structural and Multidisciplinary Optimization   ( 1208 )  2015.06

  • Applications of a consistent grayscale-free topology optimization method to industrial design problems

    Yamasaki S, Kawamoto A, Nomura T, Fujita K

    Proceedings of 11th World Congress on Structural and Multidisciplinary Optimization   ( 1297 )  2015.06

    Authorship：Lead author, Corresponding author

  • A consistent grayscale-free topology optimization method using the level-set method and zero-level boundary tracking mesh

    Yamasaki S, Kawamoto A, Nomura T, Fujita K

    International Journal for Numerical Methods in Engineering   101 ( 10 ) 744 - 773  2015.03  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    28
    Citation
    (Scopus)

  • Driving force profile design in comb drive electrostatic actuators using a level set-based shape optimization method

    Kotani T, Yamada T, Yamasaki S, Ohkado M, Izui K, Nishiwaki S

    Structural and Multidisciplinary Optimization   51 ( 2 ) 369 - 383  2015.02  [Refereed]  [International journal]

    DOI

    Scopus

    4
    Citation
    (Scopus)

  • General topology optimization method with continuous and discrete orientation design using isoparametric projection

    Nomura T, Dede E. M, Lee J, Yamasaki S, Matsumori T, Kawamoto A, Kikuchi N

    International Journal for Numerical Methods in Engineering   101 ( 8 ) 571 - 605  2015.02  [Refereed]  [International journal]

    DOI

    Scopus

    147
    Citation
    (Scopus)

  • Hierarchical Optimization-Based Approach for Two-Dimensional Rectangular Layout Design Problems

    Fujita K, Yamasaki S, Kawamoto M

    Journal of Computing and Information Science in Engineering   14 ( 4 ) 041006  2014.12  [Refereed]  [International journal]

    Authorship：Corresponding author

    DOI

    Scopus

    4
    Citation
    (Scopus)

  • A level set-based topology optimization incorporating arbitrary Lagrangian Eulerian method for wavelength filter using extraordinary optical transmission

    Ohkado M, Nomura T, Yamasaki S, Kawamoto A, Nishiwaki S

    Structural and Multidisciplinary Optimization   50 ( 3 ) 465 - 474  2014.09  [Refereed]  [International journal]

    DOI

    Scopus

    4
    Citation
    (Scopus)

  • Electromagnetic design of invehicle reactor using a level-set based topology optimization method

    Yamasaki S, Kawamoto A, Saito A, Kuroishi M, Fujita K

    Proceedings of ASME 2014 International Design & Engineering Technical Conferences and Computers & Information in Engineering Conference   ( DETC2014-34345 )  2014.08  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

  • Compliant mechanism design based on boundary element immersing type level-set topology optimization

    Yamasaki S, Fujita K

    Proceedings of 8th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems   ( T3A-1-118 )  2014.05

    Authorship：Lead author, Corresponding author

  • Structural optimization of electrostatic actuators based on the level set method

      79 ( 805 ) 3234 - 3247  2013.09  [Refereed]  [Domestic journal]

    DOI

    Scopus

  • Level-set and ALE based topology optimization using nonlinear programming

    Yamasaki S, Kawamoto A, Nomura T

    Proceedings of 10th World Congress on Structural and Multidisciplinary Optimization   ( 5190 )  2013.05

    Authorship：Lead author, Corresponding author

  • An immersed boundary element method for level-set based topology optimization

    Yamasaki S, Yamada T, Matsumoto T

    International Journal for Numerical Methods in Engineering   93 ( 9 ) 960 - 988  2013.03  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    28
    Citation
    (Scopus)

  • Topology optimization by a time-dependent diffusion equation

    Kawamoto A, Matsumori T, Nomura T, Kondoh T, Yamasaki S, Nishiwaki S

    International Journal for Numerical Methods in Engineering   93 ( 8 ) 795 - 817  2013.02  [Refereed]  [International journal]

    DOI

    Scopus

    11
    Citation
    (Scopus)

  • Level set-based topology optimization using an immersed boundary element method

    Yamasaki S, Yamada T, Matsumoto T

    Proceedings of 6th European Congress on Computational Methods in Applied Sciences and Engineering   ( 3206 )  2012.09

    Authorship：Lead author, Corresponding author

  • Compliant mechanism design based on the level set and arbitrary Lagrangian Eulerian methods

    Yamasaki S, Kawamoto A, Nomura T

    Structural and Multidisciplinary Optimization   46 ( 3 ) 343 - 354  2012.09  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    10
    Citation
    (Scopus)

  • Optimization design of conductor geometry in H-plane waveguide circuit by level set method

      J95-C ( 7 ) 139 - 143  2012.07  [Refereed]  [Domestic journal]

    CiNii

  • Level set-based topology optimization targeting dielectric resonator-based composite right- and left-handed transmission lines

    Yamasaki S, Nomura T, Sato K, Michishita N, Yamada Y, Kawamoto A

    International Journal for Numerical Methods in Engineering   89 ( 10 ) 1272 - 1295  2012.03  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    20
    Citation
    (Scopus)

  • Structural optimization using the level set method for boundary expression

    Hamasaki S, Yamasaki S, Hara T

    Proceedings of the 2011 World Congress on Advances in Structural Engineering and Mechanics     2621 - 2635  2011.09

  • A level set-based topology optimization method targeting metallic waveguide design problems

    Yamasaki S, Nomura T, Kawamoto A, Sato K, Nishiwaki S

    International Journal for Numerical Methods in Engineering   87 ( 9 ) 844 - 868  2011.09  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    71
    Citation
    (Scopus)

  • Heaviside projection based topology optimization by a PDE-filtered scalar function

    Kawamoto A, Matsumori T, Yamasaki S, Nomura T, Kondoh T, Nishiwaki S

    Structural and Multidisciplinary Optimization   44 ( 1 ) 19 - 24  2011.07  [Refereed]  [International journal]

    DOI

    Scopus

    252
    Citation
    (Scopus)

  • Structural optimization of SPP color filter using a level set-based topology optimization method incorporating the ALE method

    Ohkado M, Nomura T, Matsumori T, Kawamoto A, Fujikawa H, Sato K, Yamasaki S, Nishiwaki S

    Proceedings of 9th World Congress on Structural and Multidisciplinary Optimization   ( 183 )  2011.06

  • An application for a level set-based topology optimization method incorporating the ALE method

    Yamasaki S, Kawamoto A, Nomura T

    Proceedings of 9th World Congress on Structural and Multidisciplinary Optimization   ( 173 )  2011.06

    Authorship：Lead author, Corresponding author

  • Topology optimization by using a time-dependent diffusion equation

    Kawamoto A, Matsumori T, Kondoh T, Nomura T, Yamasaki S, Nishiwaki S

    Proceedings of 9th World Congress on Structural and Multidisciplinary Optimization   ( 366 )  2011.06

  • Design optimization of H-plane waveguide component by level set method

    Hirayama K, Tsuji Y, Yamasaki S, Nishiwaki S

    IEICE Transactions on Electronics   E94-C ( 5 ) 874 - 881  2011.05  [Refereed]  [Domestic journal]

    DOI

    Scopus

    5
    Citation
    (Scopus)

  • A level set-based topology optimization method using the augmented Lagrangian method

    Yamasaki S, Nomura T, Kawamoto A, Sato K, Izui K, Nishiwaki S

    Journal of Environment and Engineering   6 ( 2 ) 387 - 399  2011.03  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

  • Design of compliant thermal actuators using structural optimization based on the level set method

    Yamada T, Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    Journal of Computing and Information Science in Engineering   11 ( 1 ) 11005  2011.03  [Refereed]  [International journal]

    DOI

    Scopus

    18
    Citation
    (Scopus)

  • A level set based topology optimization method targeting dynamic characteristics of rotational symmetry structures

    Yamasaki S, Yamada T, Matsushima T, Izui K, Nishiwaki S

    Proceedings of 13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference   ( AIAA-2010-9317 )  2010.09  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

  • A structural optimization method based on the level set method using a new geometry-based re-initialization scheme

    Yamasaki S, Nishiwaki S, Yamada T, Izui K, Yoshimura M

    International Journal for Numerical Methods in Engineering   83 ( 12 ) 1580 - 1624  2010.09  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    91
    Citation
    (Scopus)

  • Thermophotovoltaic filter design using a topology optimization method

    Kawai I, Izui K, Nishiwaki S, Nomura T, Yamasaki S

    Proceedings of 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems   ( J-59 )  2010.06

  • Topology optimization of anti-scattering structure for electromagnetic wave

    Nomura T, Uchida N, Nishiwaki S, Matsuzawa S, Yamasaki S, Sato K

    Proceedings of 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems   ( J-72 )  2010.06

  • Level set based topology optimization method for metamaterial design problem

    Yamasaki S, Nomura T, Sato K, Michishita N, Yamada Y, Kawamoto A

    Proceedings of 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems   ( J-58 )  2010.06

    Authorship：Lead author, Corresponding author

  • A level set based topology optimization method using the discretized signed distance function as the design variables

    Yamasaki S, Nomura T, Kawamoto A, Sato K, Izui K, Nishiwaki S

    Structural and Multidisciplinary Optimization   41 ( 5 ) 685 - 698  2010.05  [Refereed]  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    26
    Citation
    (Scopus)

  • Structural optimization of mechanical structures targeting vibration characteristics based on the level set method

    Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    Journal of Environment and Engineering   5 ( 1 ) 60 - 71  2010.01  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

  • A level set based topology optimization method using the augmented Lagrangian method

      75 ( 760 ) 3192 - 3200  2009.12  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

  • 離散化された符号付き距離関数に関する感度に基づくレベルセットトポロジー最適化法

    山﨑慎太郎, 野村壮史, 佐藤和夫, 西脇眞二, 山田崇恭, 泉井一浩

    日本計算工学会論文集   2009   20090012  2009.07  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

  • Comparison of conventional re-initialization techniques and development of a new geometry-based re-initialization scheme for use in level set-based structural optimization methods

    Izui K, Yamasaki S, Nishiwaki S, Yamada T, Yoshimura M

    Proceedings of 8th World Congress on Structural and Multidisciplinary Optimization   ( 1199 )  2009.06

    Authorship：Corresponding author

  • Shape optimization for multiphysics problems using a high-level programming language

    Kawamoto A, Asaga Y, Nomura T, Yamasaki S, Kondoh T

    Proceedings of 8th World Congress on Structural and Multidisciplinary Optimization   ( 1295 )  2009.06

  • Magnetic Actuator Design Using Level Set Based Topology Optimization

    Park S, Min S, Yamasaki S, Nishiwaki S, Yoo J

    IEEE Transactions on Magnetics   44 ( 11 ) 4037 - 4040  2008.11  [Refereed]  [International journal]

    DOI

    Scopus

    45
    Citation
    (Scopus)

  • 振動特性を対象としたレベルセット法に基づく機械構造物の最適化

    山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会論文集(C編)   74 ( 746 ) 2442 - 2451  2008.10  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

  • A new structural optimization method based on the level set method for vibration problems and heat conduction problems

    Yamasaki S, Nishiwaki S, Yamada T, Izui K, Yoshimura M

    Proceedings of 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference   ( AIAA-2008-6082 )  2008.09  [International journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

  • Structural optimization of compliant thermal micro actuators based on the level set method

    Yamada T, Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    Proceedings of 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference   ( AIAA-2008-5937 )  2008.09  [International journal]

    DOI

    Scopus

    1
    Citation
    (Scopus)

  • レベルセット法に基づく構造最適化における設計領域境界設定に関する一考察

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本応用数理学会論文誌   18 ( 3 ) 487 - 505  2008.09  [Refereed]  [Domestic journal]

    DOI

  • Design of compliant thermal actuators using structural optimization based on the level set method

    Yamada T, Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    Proceedings of the ASME 2008 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference   ( DETC2008-49618 )  2008.08  [Refereed]  [International journal]

    DOI

    Scopus

    2
    Citation
    (Scopus)

  • Optimum structural design of thermal actuators using the level set method

    Yamada T, Nishiwaki S, Yamasaki S, Izui K, Yoshimura M

    Proceedings of the 5th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems   ( DT-J006 )  2008.06

  • Magnetic actuator design using level set based topology optimization

    Park S, Min S, Yamasaki S, Nishiwaki S, Yoo J

    Proceedings of the 2008 International Magnetics Conference   ( EB-03 )  2008.05  [Refereed]

  • レベルセット法に基づくコンプライアント熱アクチュエータの構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本計算工学会論文集   2008   20080007  2008.04  [Refereed]  [Domestic journal]

    DOI CiNii

  • レベルセット法に基づくコンプライアントメカニズムの構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本計算工学会論文集   2008   20080001  2008.01  [Refereed]  [Domestic journal]

    DOI

  • Eigen-frequency optimization method, based on the level set method using a geometric re-initialization scheme

    Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    Proceedings of Third Asian-Pacific Congress on Computational Mechanics   ( MS35-1-3 )  2007.12

    Authorship：Lead author, Corresponding author

  • An optimal design method for reducing brake squeal in disk brake systems

    Matsushima T, Nishiwaki S, Yamasaki S, Izui K, Yoshimura M

    Proceedings of the ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference   ( DETC2007-34708 )  2007.09  [Refereed]  [International journal]

    DOI

    Scopus

    2
    Citation
    (Scopus)

  • A structural optimization method for stiffness and vibration problems, based on the level set method using a new geometric re-initialization scheme

    Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    Proceedings of 7th World Congress on Structural and Multidisciplinary Optimization   ( A0096 )  2007.05

    Authorship：Lead author, Corresponding author

  • トポロジカルデリバティブを用いたレベルセット法に基づく構造最適化

    山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本計算工学会論文集   2007   20070009  2007.02  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

  • レベルセット法に基づく機械構造物の構造最適化(新しい再初期化法の構築と剛性最大化問題への適用)

    山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会論文集(C編)   73 ( 725 ) 72 - 79  2007.01  [Refereed]  [Domestic journal]

    Authorship：Lead author, Corresponding author

    DOI

    Scopus

    7
    Citation
    (Scopus)

▼display all

Books and Other Publications

  • メタマテリアルII

    野村壮史, 山﨑慎太郎( Part： Joint author, 3章)

    シーエムシー出版  2012.06 ISBN: 9784781303543

Presentations

  • Data-driven Topology Design Methodology Considering Additive Manufactureing Constraints

    Yang J., Yamasaki S.

    The 4th International Conference on Computational Engineering and Science for Safety and Environmental Problems 

    Presentation date： 2025.07

  • Distributed-element Filter Design Considering Manufacturing Erros Based on Data-driven Topology Design

    Chen Y., Yamasaki S.

    The 4th International Conference on Computational Engineering and Science for Safety and Environmental Problems 

    Presentation date： 2025.07

  • Enhancing Data-driven Topology Design Methodology with Adaptive Body-fitted Mesh Using SDF-based Mutation Module for 2D Strongly Nonlinear Optimization Problem

    Yang J., Yamasaki S.

    The 16th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2025.05

  • A Framework for Predicting Loading Forces Applied on Fish Vertebrae Based on Topology Optimization and Deep Neural Network

    Wang L., Yang L., Sakashita M., Yamasaki S.

    The 16th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2025.05

  • Distributed-element Filter Design Based on Data-driven Topology Design

    Chen Y., Yamasaki S.

    The 16th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2025.05

  • Multilevel Optimization and Simulation: Designing Innovative Vascular Stent Utilize Tensegrity Structure

    Chang Z., Yamasaki S.

    The 16th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2025.05

  • オタマボヤにおけるハウスの立体構造の撮影と3Dプリンターによる再構築

    小沼健, 森川健太郎, 足立晴彦, 三輪真紀子, 上村了美, 駒野恭子, 山﨑慎太郎, 秋山正和, 近藤滋, 井上康博, 船山典子, 西田宏記

    日本動物学会 第95回大会 

    Presentation date： 2024.09

  • 多目的遺伝的アルゴリズムによるリンク脚機構の設計

    松本嘉彦, 山﨑慎太郎, 井上康博

    日本機械学会 2024年度年次大会 

    Presentation date： 2024.09

  • Data-driven Topology Design for Electromagnetic Devices

    Yamasaki S.  [Invited]

    The 4th International Workshops on Advances in Computational Mechanics 

    Presentation date： 2024.09

  • Data-driven Topology Design with Fragmentation Learning for High-dimensional Problems

    Yang Y., Hashimoto R., Yaji K., Yamasaki S., Fujita K.

    The 29th Conference on Computational Engineering and Science 

    Presentation date： 2024.06

  • Research on Structural Design of 3D Compliant Mechanisms Based on PCA-based Data-driven Topology Design

    Yang J., Yaji K., Yamasaki S.

    The 29th Conference on Computational Engineering and Science 

    Presentation date： 2024.06

  • Magnetic Shield Design with Data-driven Topology Design

    Wu R., Nomura K., Yamasaki S.

    The 29th Conference on Computational Engineering and Science 

    Presentation date： 2024.06

  • 素子フィルタを対象としたパラメトリック最適化の基礎検討

    陳和平, 野村勝也, 山﨑慎太郎

    第29回計算工学講演会 

    Presentation date： 2024.06

  • Microwave Filter Design Based on Data-driven Topology Design

    Chen Y., Nomura K., Yamasaki S.

    The 29th Conference on Computational Engineering and Science 

    Presentation date： 2024.06

  • Three-dimentional reconstruction of the house, an animal cellulose-based structure, by instantaneous Gelatinization imaging (iGi)

    Onuma T., Morikawa K., Adachi H., Miwa M., Kamimura S., Komano K., Yamasaki S., Akiyama M., Kondo S., Inoue Y., Funayama N., Nishida H.

    57th Annual Meeting, The Japanese Society of Developmental Biologists 

    Presentation date： 2024.06

  • 生物の偏差成長の原理に学ぶ曲面構造の物理的造形手法

    森川健太郎, 中村拓未, 松本嘉彦, 松田佳祐, 秋山正和, 山﨑慎太郎, 近藤滋, 井上康博

    日本機械学会 第36回バイオエンジニアリング講演会 

    Presentation date： 2024.05

  • 遺伝的アルゴリズムを用いた1自由度リンク脚機構の設計

    松本嘉彦, 山﨑慎太郎, 井上康博

    日本機械学会 ロボティクス・メカトロニクス講演会2024 

    Presentation date： 2024.05

  • 表皮が分泌するセルロース繊維によるオタマボヤのハウス形成

    小沼健, 柳田夏希, 池田真一郎, 三輪真紀子, 山﨑慎太郎, 秋山正和, 井上康博, 上村了美, 駒野恭子, 船山典子, 西田宏記  [Invited]

    日本分子生物学会 第46回年会(2023年度) 

    Presentation date： 2023.11

  • オタマボヤのハウス展開機構と網目形成

    小沼健, 柳田夏希, 池田真一郎, 三輪真紀子, 山﨑慎太郎, 秋山正和, 井上康博, 上村了美, 駒野恭子, 船山典子, 西田宏記  [Invited]

    2023年度数理生物学会年会 

    Presentation date： 2023.09

  • オタマボヤのハウス形成: 繊維素材による網目の設計と三次元形状の構築

    小沼健, 柳田夏希, 池田真一郎, 三輪真紀子, 山﨑慎太郎, 秋山正和, 上村了美, 駒野恭子, 船山典子, 西田宏記  [Invited]

    日本動物学会 第94回大会 

    Presentation date： 2023.09

  • オタマボヤのハウ ス形成: 繊維素材をもちいた機能的な網目構造の設計

    小沼健, 柳田夏希, 山﨑慎太郎, 秋山正和, 上村了美, 駒野恭子, 船山典子, 西田宏記  [Invited]

    日本機械学会第35回バイオエンジニアリング講演会 

    Presentation date： 2023.06

  • A topology optimization method of natural convection heat sinks by the Darcy model

    Kaito Ohtani, Kentaro Yaji, Shintaro Yamasaki, Kikuo Fujita

    Presentation date： 2023.05

  • A Study of Data-driven Topology Design Using Principal Component Analysis

    Shintaro Yamasaki, Kentaro Yaji, Katsuya Nomura

    Presentation date： 2023.05

  • Data-Driven Topology Design of Tire Tread Pattern Incorporating Design Evaluation Focused on Geometric Features

    Michiharu Kumagai, Kazuki Imamura, Kentaro Yaji, Shintaro Yamasaki, Kikuo Fujita

    Presentation date： 2023.05

  • Optimal design of natural convection heat sinks by data-driven multifidelity topology design

    Ohtani K, Yaji K, Yamasaki S, Fujita K

    The 14th Optimization Symposium 2022, the Japan Society of Mechanical Engineers 

    Presentation date： 2022.11

  • A Study for Enhancing Data-driven Topology Design with Surrogate Representation

    Hashimoto R, Yaji K, Yamasaki S, Fujita K

    The 14th Optimization Symposium 2022, the Japan Society of Mechanical Engineers 

    Presentation date： 2022.11

  • A study on multi-objective design exploration based on deep clustering and logistic regression (A fundamental study based on the conceptual design of bridge structures)

    Tsumoto R, Nomaguchi Y, Yamasaki S, Yaji K, Fujita K

    The 32nd Design Engineering and Systems Division Lecture, the Japan Society of Mechanical Engineers 

    Presentation date： 2022.09

  • Fundamental study on optimal design method of tread patterns simultaneously realizing functional properties and aesthetics

    Kii T, Imamura K, Tsumoto R, Yamasaki S, Yaji K, Fujita K

    The 32nd Design Engineering and Systems Division Lecture, the Japan Society of Mechanical Engineers 

    Presentation date： 2022.09

  • データ駆動型マルチフィデリティトポロジーデザインによるフロー電池の流動場設計

    中井亮太, 矢地謙太郎, 山﨑慎太郎, 津島将司, 鈴木崇弘, 藤田喜久雄

    日本計算工学会第27回計算工学講演会 

    Presentation date： 2022.06

  • 分流器におけるミニマックス型最適化問題のためのデータ駆動型トポロジーデザイン

    小林新, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本計算工学会第27回計算工学講演会 

    Presentation date： 2022.06

  • Application of data-driven multifidelity topology design to natural convection heat sinks

    Ohtani K, Yaji K, Yamasaki S, Fujita K

    Asian Congress of Structural and Multidisciplinary Optimization 2022 

    Presentation date： 2022.05

  • 乱流域で動作する分流器のデータ駆動型トポロジーデザインの試み

    小林新, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第34回計算力学講演会 

    Presentation date： 2021.09

  • オタマボヤハウスの形成：セルロース繊維をもちいた形づくり

    小沼健, 山﨑慎太郎, 秋山正和, 西田宏記

    第92回日本動物学会オンライン大会 

    Presentation date： 2021.09

  • 構造物を題材とした設計変数空間と評価指標空間での分類の対応付けによる概念設計に関する研究

    津本燎, 野間口大, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    Designシンポジウム2021 

    Presentation date： 2021.07

  • Data-driven topology design: A possibility of sensitivity-free structural optimization by deep generative models

    Yamasaki S, Yaji K, Fujita K

    14th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2021.06

  • Data-driven multifidelity topology design using variational autoencoder in thermal-fluid problems.

    Yaji K, Yamasaki S, Fujita K

    14th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2021.06

  • An innovative design method of tire tread patterns by deep generative model and elitist multi-objective search

    Imamura K, Nishimura R, Yamasaki S, Yaji K, Fujita K

    14th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2021.06

  • A data-driven framework of multifidelity topology design using variational autoencoder in thermal-fluid problems

    Yaji K, Yamasaki S, Fujita K

    SIAM Conference on Computational Science and Engineering 

    Presentation date： 2021.03

  • 動物繊維をもちいたオタマボヤの「ハウス」建築

    小沼健, 秋山正和, 山﨑慎太郎, 近藤滋, 西田宏記

    第43回日本分子生物学会年会 

    Presentation date： 2020.12

  • Data-driven topology design for formulation support system of topology optimization

    Yamasaki S, Yaji K, Fujita K

    The 3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems 

    Presentation date： 2020.12

  • A framework of multi-fidelity design guided by topology optimization: Application to flow field designs for redox flow batteries

    Yaji K, Yamasaki S, Fujita K

    The 7th Asian-Pacific Congress on Computational Mechanics 

    Presentation date： 2019.12

  • Topology optimization of two fluids separated by a wall for heat exchanger design

    Kobayashi H, Yaji K, Yamasaki S, Fujita K

    The 7th Asian-Pacific Congress on Computational Mechanics 

    Presentation date： 2019.12

  • Deep learning-based performance estimation of dataset generated by topology optimization

    Yamasaki S, Yaji K, Fujita K  [Invited]

    The 7th Asian-Pacific Congress on Computational Mechanics 

    Presentation date： 2019.12

  • 設計条件の最小表現のもとでの網羅的なトポロジー最適化による橋梁構造のコンセプト探査

    蓑輪和生, 錦見健太郎, 山﨑慎太郎, 矢地謙太郎, 野間口大, 藤田喜久雄

    日本機械学会第29回設計工学・システム部門講演会 

    Presentation date： 2019.09

    Event date：
    2019.09
    　
    　

  • Formulation support system for topology optimization based on knowledge discovery in databases

    Yamasaki S  [Invited]

    KSME-JSME Joint Symposium on Computational Mechanics & CAE 2019 

    Presentation date： 2019.09

    Event date：
    2019.09
    　
    　

  • トポロジー最適化を用いて魚類椎骨の異なる形態を外力に基づき説明する

    坂下美咲, 山﨑慎太郎, 矢地謙太郎, 近藤滋

    2019年度日本数理生物学会年会 

    Presentation date： 2019.09

  • トポロジー最適化を用いた数理モデルによる魚類椎骨の多様な形態の再現

    坂下美咲, 山﨑慎太郎, 矢地謙太郎, 近藤滋

    日本機械学会第29回設計工学・システム部門講演会 

    Presentation date： 2019.09

  • マイクロCTによる構造観察とトポロジー最適化に基づいた魚類椎骨の形態を形成する数理モデル

    坂下美咲, 山﨑慎太郎, 矢地謙太郎, 近藤滋

    日本計算工学会第24回計算工学講演会 

    Presentation date： 2019.05

  • 深層学習による構造材料分布データの性能推定

    山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本計算工学会第24回計算工学講演会 

    Presentation date： 2019.05

  • 流動場設計を目的としたマルチフィデリティトポロジー最適化法

    矢地謙太郎, 山崎慎太郎, 藤田喜久雄

    日本計算工学会第24回計算工学講演会 

    Presentation date： 2019.05

  • Designing and fabricating engineered electrodes and flow fields in redox flow batteries

    Tsushima S, Suzuki T, Matsumoto H, Yaji K, Yamasaki S, Fujita K  [Invited]

    2018 MRS Fall Meeting & Exhibit 

    Presentation date： 2018.11

  • 設計代替案集合からのニューラルネットワークによる設計コンセプトの抽出に関する基礎的研究

    錦見健太郎, 鬼塚舞, 野間口大, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第28回設計工学・システム部門講演会 

    Presentation date： 2018.11

  • 機械コンポーネントの構造形態と外部因子の同時最適化のためのメタモデリング法

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第28回設計工学・システム部門講演会 

    Presentation date： 2018.11

  • データベースからの知識発見に基づくトポロジー最適化問題の定式化

    山崎慎太郎  [Invited]

    日本機械学会第31回計算力学講演会 

    Presentation date： 2018.11

  • Computational design of a heat exchanger with topology optimization

    Kobayashi H, Yaji K, Yamasaki S, Fujita K

    2018 Asian Conference on Design and Digital Engineering 

    Presentation date： 2018.11

  • ノイズフィルタ回路基板における両面導体パターンの最適化

    坊大貴, 山﨑慎太郎, 矢地謙太郎, 野村勝也, 藤田喜久雄

    日本機械学会第13回最適化シンポジウム 

    Presentation date： 2018.10

  • メタモデリングに基づくトポロジー最適化問題における設計パラメータ決定法(永久磁石同期モータ設計への展開)

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第13回最適化シンポジウム 

    Presentation date： 2018.10

  • 簡略化モデルを用いたトポロジー最適化の先導によるフィンアンドチューブ型熱交換器の設計

    小林広輝, 矢地謙太郎, 山﨑慎太郎, 藤田喜久雄

    日本機械学会第13回最適化シンポジウム 

    Presentation date： 2018.10

  • トポロジー最適化を用いたインダクタンスキャンセル構造の導体パターン設計の検討

    野村勝也, 高橋篤弘, 小島崇, 山﨑慎太郎, 矢地謙太郎, 坊大貴, 藤田喜久雄

    電気学会平成30年電気学会産業応用部門大会 

    Presentation date： 2018.08

  • データベースからの知識発見に基づくトポロジー最適化のための定式化支援システム

    山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本計算工学会第23回計算工学講演会 

    Presentation date： 2018.06

  • Topology design via physics-based surrogate optimization for complex fluid problems

    Yaji K, Yamasaki S, Fujita K

    6th European Conference on Computational Mechanics & 7th European Conference on Computational Fluid Dynamics 

    Presentation date： 2018.06

  • Concurrent optimization using metamodeling for strucural topology and component layout

    Maruyama S, Yamasaki S, Yaji K, Fujita K

    Asian Congress of Structural and Multidisciplinary Optimization 2018 

    Presentation date： 2018.05

  • Innovative topology design for a fin-and-tube heat exchanger

    Kobayashi H, Yaji K, Yamasaki S, Fujita K

    Asian Congress of Structural and Multidisciplinary Optimization 2018 

    Presentation date： 2018.05

  • Conductor pattern optimization for electromagnetic interference filter of a double-sided circuit board

    Nomura K, Bo H, Yamasaki S, Yaji K, Takahashi A, Kojima T, Fujita K

    Asian Congress of Structural and Multidisciplinary Optimization 2018 

    Presentation date： 2018.05

  • トポロジー最適化を用いたノイズフィルタの導体パターン設計の検討

    野村勝也, 坊大貴, 山﨑慎太郎, 矢地謙太郎, 高橋篤弘, 小島崇, 藤田喜久雄

    電子情報通信学会環境電磁工学研究会 

    Presentation date： 2018.03

  • 電磁デバイスの構造最適化.

    山﨑慎太郎  [Invited]

    電子情報通信学会2018年総合大会 

    Presentation date： 2018.03

  • 軽量高剛性構造物を対象とした要素部品の配置と部材トポロジーの同時最適化

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 内田憲佑, 藤田喜久雄

    日本設計工学会平成29年度関西支部研究発表講演会 

    Presentation date： 2017.11

  • レドックスフロー電池の流路構造設計へのトポロジー最適化法の適用

    矢地謙太郎, 山﨑慎太郎, 津島将司, 鈴木崇宏, 藤田喜久雄

    電気化学会第58回電池討論会 

    Presentation date： 2017.11

  • トポロジー最適化における設計条件と設計解の多様性に関する一考察

    山﨑慎太郎, 錦見健太郎, 矢地謙太郎, 野間口大, 藤田喜久雄

    日本機械学会第27回設計工学・システム部門講演会 

    Presentation date： 2017.09

  • 応答曲面近似を用いたトポロジー最適化とシステム変数最適化の協調による永久磁石同期モータ回転子設計法

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第27回設計工学・システム部門講演会 

    Presentation date： 2017.09

  • レドックスフロー電池を対象とした二次元流動場モデルに基づくトポロジー最適設計

    矢地謙太郎, 山﨑慎太郎, 津島将司, 鈴木崇宏, 藤田喜久雄

    日本機械学会第27回設計工学・システム部門講演会 

    Presentation date： 2017.09

  • 電磁適合設計のためのフィルタ回路の導体パターン最適化法

    坊大貴, 山﨑慎太郎, 矢地謙太郎, 野村勝也, 高橋篤弘, 藤田喜久雄

    日本機械学会第30回計算力学講演会 

    Presentation date： 2017.09

  • 構造形態とシステム変数を同時に考慮した永久磁石同期モータのシステムレベル最適設計法

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第30回計算力学講演会 

    Presentation date： 2017.09

  • Optimum channel design of a redox flow battery via topology optimization

    Yaji K, Yamasaki S, Tsushima S, Suzuki T, Fujita K

    12th World Congress on Structural and Multidisciplinary Optimization 

    Presentation date： 2017.06

  • 構造形態と構成要素配置の統合最適化による永久磁石同期モータ設計

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本設計工学会2017年度春季大会研究発表講演会 

    Presentation date： 2017.03

  • 非線形磁気特性を考慮したハイブリッド車用高出力モーターのトポロジー最適化

    丸山峻, 山﨑慎太郎, 矢地謙太郎, 藤田喜久雄

    日本機械学会第12回最適化シンポジウム 

    Presentation date： 2016.12

  • 電磁応力の領域積分に基づく磁場・構造連成問題を対象としたグレースケールフリートポロジー最適化法

    大西遼, 山﨑慎太郎, 川本敦史, 齋藤彰, 黒石真且, 藤田喜久雄

    日本機械学会第26回設計工学・システム部門講演会 

    Presentation date： 2016.10

  • Three-dimensional boundary tracking type level-set topology optimization

    Yamasaki S, Yamanaka S, Fujita K

    The 12th World Congress on Computational Mechanics 

    Presentation date： 2016.07

  • A three-dimensional grayscale-free topology optimization method based on the level-set method

    Yamasaki S, Yamanaka S, Fujita K

    Asian Congress of Structural and Multidisciplinary Optimization 2016 

    Presentation date： 2016.05

  • Multidisciplinary topology optimization method for vibration-proof design of in-vehicle reactor

    Ohnishi R, Yamasaki S, Kawamoto A, Saito A, Kuroishi M, Fujita K

    2015 Asian Conference on Design and Digital Engineering 

    Presentation date： 2015.11

  • Topology optimization of fiber orientation problem using isoparametric projection

    Nomura T, Dede E. M, Yamasaki S, Matsumori T, Kawamoto A  [Invited]

    The 3rd International Workshops on Advances in Computational Mechanics 

    Presentation date： 2015.10

  • Grayscale-free topology optimization based on the level-set method

    Yamasaki S  [Invited]

    The 3rd International Workshops on Advances in Computational Mechanics 

    Presentation date： 2015.10

  • Differences between density based and level-set based optimizations

     [Invited]

    Presentation date： 2015.09

    Event date：
    2015.09
    　
    　

    　View Summary

    In general, level-set based topology optimization is considered as a different structural optimization approach from density based topology optimization, because these approaches have different theoretical backbone. However, with the advancement of the research on these approaches, some optimization cases appear in which optimization behaviors of these approaches seem to be very similar. Therefore, in this workshop lecture, I would like to discuss essential different and common points between these approaches.

  • Topology optimization for high power motors used in hybrid electric vehicles

    Presentation date： 2015.09

    Event date：
    2015.09
    　
    　

    　View Summary

    This paper proposes a topology optimization method for high power motors, which is used in hybrid electric vehicles. The Permanent Magnet Synchronous motor (PMSM) is often used in hybrid electric vehicles, and its performances directly affect to performances of hybrid electric vehicles. Therefore, it is valuable to research topology optimization of PMSM. Although there are a few research papers discussing topology optimization of PMSM, these researches consider only torque performances. However, we consider that mechanical stiffness to hold permanent magnets should be also considered. If we consider only torque performances and ignore the mechanical stiffness, it will be possible to yield invalid optimal design which is meaningless in structural engineering viewpoints. In this paper, therefore, we propose a topology optimization method for PMSM, in which both torque and mechanical stiffness are maximized. In the proposed method, material distribution of the laminated electrical steel sheet of the rotor is optimized on the basis of the density method. The usefulness of the proposed method is demonstrated using some numerical examples.

  • Optimal vibration-proof design of reactor core based on coupled analysis of magnetics and harmonic response

    Presentation date： 2015.09

    Event date：
    2015.09
    　
    　

    　View Summary

    This paper proposes optimal vibration-proof design of reactor core based on coupled analysis of magnetics and harmonic response. A reactor is a part of the in-vehicle DC-DC converter to boost the electric voltage, and it is composed of cores, coils, and so on. Because of electromagnetic and harmonic response characteristics of the reactor, the reactor core vibrates when the reactor core is in use, and as a result, noises are generated. To reduce these noises, a topology optimization method for reactor core design is proposed in this paper. Here, the main difficulty is to compute the electromagnetic force appropriately. Roughly speaking, standard topology optimization methods, such as density based methods, are not suitable to compute the electromagnetic force because grayscale elements smear out the structural boundary in which the electromagnetic force is imposed. Therefore, in this paper, boundary tracking type level-set based topology optimization is used where grayscale elements can be suppressed completely. Thanks to this grayscale-free topology optimization, the coupled analysis of magnetics and harmonic response is successfully performed, and as a result, topology optimization of the reactor core for reducing the noises is realized. The usefulness of the proposed method is confirmed using some numerical examples.

  • A method of generating high quality zero-level boundary tracking meshes for grayscale-free topology optimization

    Presentation date： 2015.09

    Event date：
    2015.09
    　
    　

    　View Summary

    Topology optimization is one approach of structural optimization, where various and complex shape can be represented. Because of its degree of freedom, topology optimization has potential to yield superior designs compared with sizing and shape optimizations. However, grayscale elements are often yielded, especially, in density based topology optimization methods; they influenc negatively on design problems where Dirichlet boundary conditions are imposed on the design boundary. To achieve grayscale-free topology optimization, we proposed a boundary tracking type level-set topology optimization method for three-dimensional problem in previous studies. However, the three-dimensional zero-level boundary tracking mesh often contains extremely-low quality elements, and these elements influenc negatively on finit element computation. To avoid this problem, we need a new algorithm to generate the high quality zero-level boundary tracking mesh. In this study, we propose a new mesh generation method for high quality zero-level boundary tracking mesh.

  • 取出ロボットの消費電力削減

    川上みずほ, 金鐘剛, 松本拓也, 山﨑慎太郎

    日本機械学会第25回設計工学・システム部門講演会 

    Presentation date： 2015.09

  • 境界追跡型レベルセットトポロジー最適化のための正則化手法に関する考察

    山﨑慎太郎, 藤田喜久雄

    日本機械学会第11回最適化シンポジウム 

    Presentation date： 2014.12

  • Grayscale-free topology optimization using the level-set method and zero-level boundary tracking mesh for the three-dimensional problem

    Presentation date： 2014.09

    Event date：
    2014.09
    　
    　

    　View Summary

    Topology optimization is one approach of structural optimization, where various and complex shape can be represented. Because of its degree of freedom, topology optimization has potential to yield superior designs compared with sizing and shape optimizations. However, grayscale elements are often yielded, especially, in density based topology optimization methods; they influence negatively on design problems where Dirichlet boundary conditions are imposed on design boundary. To achieve grayscale-free topology optimization, we proposed to use the level-set method and the zero-level boundary tracking mesh in previous studies. The zero-level boundary tracking mesh is a conformed mesh to the zero iso-contour of the level-set function and it is generated from the Eulerian mesh. In our previous studies, only the two-dimensional problem were targeted. In this study, we propose a new mesh generation method for the three-dimensional zero-level boundary tracking mesh and construct a grayscale-free topology optimization method for three-dimensional problem.

  • Level-set based structural optimization considering minimum length constraint

    Presentation date： 2014.09

    Event date：
    2014.09
    　
    　

    　View Summary

    This paper proposes a level-set based structural optimization method considering the minimum length constraint. The minimum length constraint should be considered in an engineering view point, because extreme thin parts are not preferable when processing structures. In the proposed level-set based method, the minimum length of the target structure can be easily computed by utilizing the characteristic of the signed distance function, although it is difficult in standard topology optimization methods. Furthermore, the modification method for the violation of the minimum length constraint can be easily implemented by the characteristic the signed distance function. Among many application fields for the proposed method, we now focus on a complaint mechanism design problem. Since thin hinge parts are appeared in normal compliant mechanisms, it is expected that unique designs for compliant mechanisms are obtained by constraining the minimum length. For this purpose, we develop a new level-set based structural optimization method for the compliant mechanism design problem where the minimum length is constrained. The usefulness of the proposed method is demonstrated by some numerical examples.

  • Construction of a new boundary tracking type level-set topology optimization method

    Presentation date： 2013.10

    Event date：
    2013.10
    　
    　

    　View Summary

    This paper proposes a new level-set based topology optimization method incorporating a boundary tracking mesh generation method and non-linear programming. Since the mesh generation method provides a mesh conforming to the structural boundary at every optimization iteration, grayscale elements are completely eliminated during optimization. On the other hand, non-linear programming is widely used for efficiently updating the design variables in conventional topology optimization techniques such as homogenization and density based topology optimization. By incorporating these methods, we configure a new topology optimization method for virtually realizing completely grayscale-free, efficient topology optimization. In this paper, we first develop the mathematical formulation for obtaining sensitivity information on level-set based topology optimization problems and then implement a boundary tracking type level-set topology optimization method with the sequential linear programming (SLP) for designing compliant mechanisms. Further, we apply it to a numerical example for confirming the advantages of the proposed method and framework. Even with SLP, which is a most simple scheme of non-linear programming, the result demonstrate the relevance and promise of the proposed framework as a new class of grayscale-free topology optimization.

  • 密度法を用いたIPMSMのトポロジー最適化

    山下篤士, 山﨑慎太郎, 長谷川浩志

    日本機械学会第23回設計工学・システム部門講演会 

    Presentation date： 2013.10

  • モデルベース開発とプロトタイピングの省察的相互作用についての設計実験

    戸田康太郎, 水田将史, 野間口大, 山﨑慎太郎, 藤田喜久雄

    日本機械学会第23回設計工学・システム部門講演会 

    Presentation date： 2013.10

  • 境界追跡型レベルセットトポロジー最適化法を用いた機能構造物の設計

    山﨑慎太郎, 川本敦史, 野村壮史, 藤田喜久雄

    精密工学会2013年度秋季大会 

    Presentation date： 2013.09

  • 密度法に基づく誘電体メタマテリアルのトポロジー最適化

    川﨑純一, 山﨑慎太郎

    日本機械学会第10回最適化シンポジウム 

    Presentation date： 2012.12

  • IPMSMを対象とした回転子構造のトポロジー最適化

    山下篤士, 山﨑慎太郎

    日本計算工学会第17回計算工学講演会 

    Presentation date： 2012.05

  • レベルセット法による導波管フィルタ回路の導体形状最適設計

    仲祐輔, 平山浩一, 安井崇, 佐藤慎吾, 辻寧英, 山﨑慎太郎, 西脇眞二

    電子情報通信学会北海道支部学生会インターネットシンポジウム 

    Presentation date： 2012.02

  • ALE法とレベルセット法を組み合わせたトポロジー最適化法によるコンプライアントメカニズムの設計

    山﨑慎太郎, 川本敦史, 野村壮史

    日本機械学会第21回設計工学・システム部門講演会 

    Presentation date： 2011.10

  • レベルセット法による導体形状最適設計の検討

    平山浩一, 仲祐輔, 佐藤慎吾, 辻寧英, 山﨑慎太郎, 西脇眞二

    電子情報通信学会2011年ソサイエティ大会 

    Presentation date： 2011.09

  • レベルセット法による導波管H面T分岐回路の導体形状最適設計の検討

    仲祐輔, 佐藤慎吾, 平山浩一, 辻寧英, 山﨑慎太郎, 西脇眞二

    電子情報通信学会光・電波ワークショップ電磁界理論研究会 

    Presentation date： 2011.07

  • Topology optimization of metallic infrared filter with periodic structure using level set method incorporating arbitrary Lagrangian Eularian method

    Ohkado M, Nomura T, Matsumori T, Kawamoto A, Yamasaki S, Nishiwaki S

    Presentation date： 2011.07

  • ALEメッシュを用いたレベルセットトポロジー最適化法による機械構造物の最適設計

    山﨑慎太郎, 川本敦史, 野村壮史

    日本計算工学会第16回計算工学講演会 

    Presentation date： 2011.05

  • レベルセット法を用いた金属薄膜波長フィルターの構造最適化

    大門真, 野村壮史, 藤川久喜, 佐藤和夫, 山﨑慎太郎, 西脇眞二

    応用物理学会第58回応用物理学関係連合講演会 

    Presentation date： 2011.03

  • レベルセット法を形状表現に用いた構造最適化に関する研究

    濱崎翔平, 山﨑慎太郎, 原隆

    日本建築学会2010年度中国史部研究発表会 

    Presentation date： 2011.03

  • PDEフィルターを用いた射影法に基づくトポロジー最適化

    川本敦史, 松森唯益, 山﨑慎太郎, 野村壮史, 近藤継男, 西脇眞二

    日本機械学会第9回最適化シンポジウム 

    Presentation date： 2010.12

  • 異常光透過現象を用いた金属薄膜波長フィルターの構造最適化

    大門真, 野村壮史, 山﨑慎太郎, 松森唯益, 川本敦史, 近藤継男, 藤川久喜, 佐藤和夫, 西脇眞二

    日本機械学会第9回最適化シンポジウム 

    Presentation date： 2010.12

  • レベルセット法に基づく金属導波管設計法

    山﨑慎太郎, 野村壮史, 川本敦史, 佐藤和夫, 西脇眞二

    日本機械学会第9回最適化シンポジウム 

    Presentation date： 2010.12

  • レベルセット法導体形状最適設計と初期構造の改良

    仲祐輔, 平山浩一, 辻寧英, 山﨑慎太郎, 西脇眞二

    電子情報通信学会第39回電磁界理論シンポジウム 

    Presentation date： 2010.11

  • 漏れ波アンテナの構造最適設計

    山﨑慎太郎, 野村壮史, 佐藤和夫, 道下尚文, 山田吉英, 川本敦史

    Designシンポジウム2010 

    Presentation date： 2010.11

  • レベルセット法導体形状最適設計における初期構造の改良

    仲祐輔, 平山浩一, 辻寧英, 山﨑慎太郎, 西脇眞二

    電子情報通信学会北海道支部連合大会 

    Presentation date： 2010.10

  • 光起電力発電のためのフィルタ構造の最適設計法

    川井一平, 泉井一浩, 西脇眞二, 野村壮史, 山﨑慎太郎

    日本機械学会第23回計算力学講演会 

    Presentation date： 2010.09

  • サブ波長ナノホールアレーの構造最適化

    野村壮史, 山﨑慎太郎, 西脇眞二

    日本機械学会2010年度年次大会 

    Presentation date： 2010.09

  • Topology optimization using level set function for design of sub-wavelength hole array structure targeting optical characteristic

    Nomura T, Yamasaki S, Matsumori T, Kawamoto A, Nishiwaki S, Inoue D, Miura A, Fujikawa H, Sato K

    2010 World Congress on Computational Mechanics 

    Presentation date： 2010.07

  • 電磁波伝搬問題に対するトポロジー最適化の適用とグレースケールの回避方法

    川井一平, 泉井一浩, 西脇眞二, 野村壮史, 山﨑慎太郎

    精密工学会2010年度関西地方定期学術講演会 

    Presentation date： 2010.05

  • Topology optimization of anti-scattering structure for dielectric obstacle

    Nomura T, Uchida N, Matsuzawa S, Yamasaki S, Nishiwaki S  [Invited]

    2nd International Workshops on Advances in Computational Mechanics 

    Presentation date： 2010.03

  • 随伴解析を用いた電磁波問題構造最適化

    野村壮史, 佐藤和夫, 山﨑慎太郎

    電気学会マグネティックス／静止器／回転機合同研究会 

    Presentation date： 2010.01

  • レベルセット法に基づく構造最適化法を用いた左手系誘電体メタマテリアルの最適設計

    山﨑慎太郎, 野村壮史, 佐藤和夫, 道下尚文, 山田吉英

    電子情報通信学会アンテナ・伝播研究会 

    Presentation date： 2009.11

  • 符号付き距離関数を設計変数として用いたトポロジー最適化法

    山﨑慎太郎, 野村壮史, 川本敦史, 佐藤和夫, 泉井一浩, 西脇眞二

    日本機械学会第22回計算力学講演会 

    Presentation date： 2009.10

  • トポロジー最適化を用いた低レイノルズ数領域における流体抵抗最小化問題

    松森唯益, 川本敦史, 近藤継男, 山﨑慎太郎, 野村壮史

    日本機械学会第22回計算力学講演会 

    Presentation date： 2009.10

  • H面導波管回路に対するレベルセット法を適用した最適設計

    坂本駿介, 仲祐輔, 平山浩一, 辻寧英, 山﨑慎太郎, 西脇眞二

    電子情報通信学会北海道支部連合大会 

    Presentation date： 2009.10

  • レベルセット法を用いたH面導波管T分岐回路の最適設計

    坂本駿介, 平山浩一, 辻寧英, 山﨑慎太郎, 西脇眞二, 吉村允孝

    電子情報通信学会総合大会 

    Presentation date： 2009.03

  • Dielectric resonator antenna design using FDTD topology optimization

    Nomura T, Sato K, Yamasaki S, Nishiwaki S  [Invited]

    International Symposium on Antennas and Propagation 2008 

    Presentation date： 2008.10

  • 有限被覆法を用いたレベルセット法に基づく構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝, 寺田賢二郎, 車谷麻緒

    日本機械学会第18回設計工学・システム部門講演会 

    Presentation date： 2008.09

  • 構造最適化に基づくデザイン知識の獲得に関する一考察

    山﨑慎太郎, 山田崇恭, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会第18回設計工学・システム部門講演会 

    Presentation date： 2008.09

  • 有限設計領域におけるレベルセット法に基づく構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本航空宇宙学会第50回構造強度に関する講演会 

    Presentation date： 2008.07

  • トポロジー最適化を用いた誘電体共振器アンテナの設計: 電磁界と構造力学に関する多目的最適化

    野村壮史, 佐藤和夫, 山﨑慎太郎, 西脇眞二

    電子情報通信学会アンテナ・伝播研究会 

    Presentation date： 2008.07

  • A new structural optimization method based on the level set method and its applications

    Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    8th World Congress on Computational Mechanics 

    Presentation date： 2008.06

  • Structural optimization for the design of compliant thermal actuators based on the level set method

    Yamada T, Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    8th World Congress on Computational Mechanics 

    Presentation date： 2008.06

  • レベルセット法に基づく構造最適化における設計領域境界設定に関する一考察

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本応用数理学会研究部会連合発表会 

    Presentation date： 2008.05

  • 熱変形を利用したマイクロアクチュエータのトポロジカルデリバティブを用いたレベルセット法に基づく構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本計算工学会第13回計算工学講演会 

    Presentation date： 2008.05

  • 熱アクチュエータのトポロジカルデリバティブを用いたレベルセット法に基づく構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会関西支部第83期定時総会講演会 

    Presentation date： 2008.03

  • コンプライアントメカニズムのトポロジカルデリバティブを用いたレベルセット法に基づく構造最適化

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    2008年度精密工学会春季大会 

    Presentation date： 2008.03

  • Structural optimization based on the level set method using the finite cover method

    Ikeuchi S, Yamazaki S, Nishiwaki S, Izui K, Yoshimura M, Kurumatani M, Terada K

    Third Asian-Pacific Congress on Computational Mechanics 

    Presentation date： 2007.12

  • Structural optimization for eigen-frequency problems based on the level set method

    Yamasaki S, Nishiwaki S, Yamada T, Izui K, Yoshimura M

    The 7th International Conference on Optimization: Techniques and Applications 

    Presentation date： 2007.12

  • レベルセット法に基づく構造最適化における有限被覆法の適用

    池内駿介, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝, 車谷麻緒, 寺田賢二郎

    日本機械学会第20回計算力学講演会 

    Presentation date： 2007.11

  • レベルセット法に基づく構造最適化におけるパラメータ設定の検討

    山田崇恭, 山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会第20回計算力学講演会 

    Presentation date： 2007.11

  • レベルセット法に基づく機械構造物の振動特性最適化

    山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会第20回計算力学講演会 

    Presentation date： 2007.11

  • レベルセット法に基づいた新しい形状最適化の方法

    西脇眞二, 山﨑慎太郎

    日本機械学会2007年度年次大会 

    Presentation date： 2007.09

  • Level set based structural optimization targeting vibration characteristics

    Nishiwaki S, Yamasaki S, Izui K, Yoshimura M

    The 2nd Korea-Japan Workshop on Computational Engineering 

    Presentation date： 2007.08

  • A structural optimization method based on the level set method using a new type of re-initialization scheme

    Yamasaki S, Nishiwaki S, Izui K, Yoshimura M

    International Conference on Computational Methods 

    Presentation date： 2007.04

  • 幾何学的再初期化を用いたレベルセット法に基づく形状最適化

    山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会第7回最適化シンポジウム 

    Presentation date： 2006.12

  • レベルセット法に基づくトポロジー最適化

    山﨑慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    日本機械学会第19回計算力学講演会 

    Presentation date： 2006.11

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Research Projects

  • 形態形成の原理の解明と工学への展開

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Transformative Research Areas (A)

    Project Year :

    2020.11
    -
    2025.03
     

  • 構造最適化による形態形成原理の解明とその工学応用

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Transformative Research Areas (A)

    Project Year :

    2020.11
    -
    2025.03
     

  • 数理最適化に基づくノイズフィルタのレイアウト創成設計

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    2020.04
    -
    2023.03
     

  • Topology optimization of in-vehicle motors for achieving torque maxmization and power consumption minimization

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    2015.04
    -
    2018.03
     

    YAMASAKI SHINTARO

    　View Summary

    The objective of this research is to achieve innovative design for in-vehicle motors, which have new functions and high-performances with low power consumption, by constructing a creative design method that concurrently optimizes shape and topology of structural materials and positions of components, such as coils and permanent magnets. For this objective, I constructed a topology optimization method that optimizes shape and topology of a rotor while considering non-linear magnetic properties of the structural material. Furthermore, on the basis of the constructed topology optimization method, I further proposed an integrative optimization method that concurrently optimizes shape and topology of the rotor and positions of the permanent magnets.

  • オイラー・ラグランジュ連携型物理シミュレーションに基づく機能構造の創成設計

    豊田理化学研究所  豊田理研スカラー

    Project Year :

    2015.04
    -
    2016.03
     

    山﨑慎太郎

  • Topology optimization for electrostatic Micro Electro Mechanical Systems (MEMS) which are driven by very low-voltage

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)

    Project Year :

    2012.04
    -
    2015.03
     

    YAMASAKI SHINTARO

    　View Summary

    The objective of this research is to realize creative design for electrostatic Micro Electro Mechanical Systems (MEMS) structures which are driven by very low-voltage. To achieve this objective, I developed a structural optimization method for electrostatic MEMS. In the proposed method, electrostatic force is evaluated on the basis of electrostatic analysis, and large displacement caused by the electrostatic force is also evaluated by the coupled analysis. In this manner, physical phenomena on electrostatic MEMS are accurately evaluated, and structural optimization is appropriately performed.

  • レベルセット法に基づく最適設計法に関する研究

    みずほ学術振興財団  第50回工学関係研究助成

    Project Year :

    2007.04
    -
    2009.03
     

    山﨑慎太郎

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Misc

  • コンプライアントメカニズムのトポロジカルデリバティブを用いたレベルセット法に基づく構造最適化

    山田恭崇, 山崎慎太郎, 西脇眞二, 泉井一浩, 吉村允孝

    2008年度精密工学会春季大会，精密工学会 神奈川     885 - 886  2008.03  [Invited]

    Research paper, summary (national, other academic conference)  

    DOI

 

Syllabus

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Sub-affiliation

  • Faculty of Science and Engineering   School of Fundamental Science and Engineering

Research Institute

  • 2024
    -
    2026

    Waseda Research Institute for Science and Engineering   Concurrent Researcher

Internal Special Research Projects

  • ノイズフィルタの導体レイアウトを対象とした統一的なデータ駆動型最適設計法

    2024  

    　View Summary

    本研究は、マクスウェル方程式を忠実に解く高精度電磁界解析技術と、構造最適設計分野の最新の研究成果であるデータ駆動型最適設計法を組み合わせることにより、パワエレ系のノイズフィルタであるElectro Magnetic Interference (EMI) フィルタと通信系のノイズフィルタであるマイクロ波フィルタの両方の導体レイアウト設計問題に適用可能な、高い設計自由度で高性能な解を導出する最適設計法の確立を目指すものである。　上記研究において、本年度は深層生成モデルを利用したデータ駆動型アプローチに基づく統合的レイアウト最適設計法の確立を目指し、EMIフィルタを対象とした応用研究と、マイクロ波フィルタを対象とした応用研究について個別具体的な問題設定を行い、研究を行った。さらに、本最適設計法を磁気シールド設計問題にも適用し、基礎検討レベルでその有用性を確認した。これらの研究活動に関連して、学術論文１本をIEEE Transactions on Electromagnetic Compatibility に投稿しConditionally accepted with major revisions の状況である。本論文のAcceptに向けて、さらに研究を進めて行く。

  • ノイズフィルタの導体レイアウトを対象とした深層学習に基づくパターン生成

    2024  

    　View Summary

    ノイズフィルタの設計は、フィルタ回路の構成や回路素子の定数を定める回路設計と、基板サイズや回路素子の配置位置、回路素子を結ぶ導体パターンの形状を定めるレイアウト設計に大別できる。前者については盛んに研究が行われ一定の成熟を見ている一方で、後者については専ら設計者の勘と経験に基づいて試行錯誤的に行われている。しかしながら、レイアウト、特に導体レイアウト設計の良し悪しがノイズフィルタの性能に与える影響は大きく、設計者の試行錯誤を必要としない合理的な設計方法の確立が大きな課題となっている。レイアウトパターン設計では、感度情報に基づく数理最適化が有力なアプローチであると一般的に考えられているが、ノイズフィルタの導体レイアウトパターン最適設計問題においては、強い非線形性に起因する求解の困難さが明らかになってきた。本申請研究では、既知の導体レイアウトパターンを学習してそれらの特徴を継承しつつも異なる多様な導体レイアウトパターンを生成する深層生成モデルに着目し、これを利用した感度情報に依存しない新たな導体レイアウトパターン最適設計法の確立を目指した。2024年度は、深層生成モデルにおけるパラメータが最終的に得られる導体レイアウトの性能にどのように影響を与えるのか、数値実験と考察を行った。これに関連して、国際会議The 4th International Workshops on Advances inComputational Mechanicsにおいて発表を１件行った。

  • ノイズフィルタの導体レイアウトを対象とした深層学習に基づくパターン生成

    2023  

    　View Summary

    ノイズフィルタの設計は、フィルタ回路の構成や回路素子の定数を定める回路設計と、基板サイズや回路素子の配置位置、回路素子を結ぶ導体パターンの形状を定めるレイアウト設計に大別できる。前者については盛んに研究が行われ一定の成熟を見ている一方で、後者については専ら設計者の勘と経験に基づいて試行錯誤的に行われている。しかしながら、レイアウト、特に導体レイアウト設計の良し悪しがノイズフィルタの性能に与える影響は大きく、設計者の試行錯誤を必要としない合理的な設計方法の確立が大きな課題となっている。レイアウトパターン設計では、感度情報に基づく数理最適化が有力なアプローチであると一般的に考えられているが、ノイズフィルタの導体レイアウトパターン最適設計問題においては、強い非線形性に起因する求解の困難さが明らかになってきた。本申請研究では、既知の導体レイアウトパターンを学習してそれらの特徴を継承しつつも異なる多様な導体レイアウトパターンを生成する深層生成モデルに着目し、これを利用した感度情報に依存しない新たな導体レイアウトパターン最適設計法の確立を目指した。2023年度は、数値計算プログラムの実装に成功し、パラメトリックモデルを用いて生成した単純な導体レイアウトパターンから、新奇かつより高性能な導体レイアウトパターンの生成に成功した。今後は、得られた導体レイアウトパターンが高性能を発揮する根拠を電磁気学の観点から明らかにし、論文化を目指していく。