Matsushima Kei 松島慶

Researcher Number	60943537
Other IDs	https://orcid.org/0000-0002-0352-8770
Affiliation (Current)	2026: 広島大学, 先進理工系科学研究科(工), 助教
Affiliation (based on the past Project Information) *help	2023 – 2025: 東京大学, 大学院工学系研究科(工学部), 助教 2022: 東京大学, 大学院工学系研究科(工学部), 特任助教
Review Section/Research Field	Principal Investigator Basic Section 18030:Design engineering-related Except Principal Investigator Transformative Research Areas, Section (II) / Basic Section 60100:Computational science-related
Keywords	Principal Investigator トポロジー最適化 / 音響メタマテリアル / 計算力学 / 音響 / メタマテリアル / 非相反材料 / 非相反現象 / 散乱解析 / 最適設計 / マルチスケール … More Except Principal Investigator … More モデリング / 形状最適化 / 幾何的情報 / 波動関数 / トポロジー導関数 / 容量 / リゾルベント / 距離関数 / メタマテリアル / 均質化法 / 境界要素法 / トポロジー最適化 / メタデバイス / 高速周波数応答掃引 / 散乱共振 / 波動散乱問題 Less

High-order frequency derivatives of wave scattered field in infinite domains and their engineering applications
- Principal Investigator
  
  飯盛浩司
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  Keio University
トポロジー最適化による非相反メタマテリアルの創成設計Principal Investigator
- Principal Investigator
  
  松島慶
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 18030:Design engineering-related
- Research Institution
  The University of Tokyo
数学に基づいた構造最適化における基礎理論の構築とボトムアップ型展開
- Principal Investigator
  
  正宗淳
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Tohoku University
Multi-scale topology optimization of acoustic metamaterialsPrincipal Investigator
- Principal Investigator
  
  Matsushima Kei
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 18030:Design engineering-related
- Research Institution
  The University of Tokyo

All 2025 2024 2023 2022

All Journal Article Presentation

[Journal Article] Observation of exceptional points in a spherical open elastic system2025
- Author(s)
  Deguchi Hiroaki、Matsushima Kei、Yamada Takayuki
- Journal Title
  
  Journal of Sound and Vibration
  
  Volume: 611 Pages: 119114-119114
- DOI
  10.1016/j.jsv.2025.119114
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24K17191
[Journal Article] Non-Bloch band theory for time-modulated discrete mechanical systems2025
- Author(s)
  Matsushima Kei、Yamada Takayuki
- Journal Title
  
  Journal of Sound and Vibration
  
  Volume: 595 Pages: 118757-118757
- DOI
  10.1016/j.jsv.2024.118757
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24K17191
[Journal Article] A NUMERICAL METHOD FOR FREQUENCY DERIVATIVES OF SOLUTIONS TO TWO-DIMENSIONAL HELMHOLTZ EQUATION BASED ON NYSTRÖM DISCRETIZATION OF A BOUNDARY INTEGRAL EQUATION2024
- Author(s)
  松島慶、山田崇恭、飯盛浩司
- Journal Title
  
  Transactions of the Japan Society for Computational Methods in Engineering
  
  Volume: 24 Issue: 0 Pages: 107-113
- DOI
  10.60443/jascome.24.0_107
- ISSN
  1348-5245, 2759-3932
- Year and Date
  2024-12-13
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K28103, KAKENHI-PROJECT-24K17191
[Journal Article] Tracking Rayleigh-Bloch waves swapping between Riemann sheets2024
- Author(s)
  Matsushima Kei、Bennetts Luke G.、Peter Malte A.
- Journal Title
  
  Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
  
  Volume: 480 Issue: 2301 Pages: 20240211-20240211
- DOI
  10.1098/rspa.2024.0211
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Journal Article] 境界積分方程式で記述される形状最適化問題における形状感度のHilbert正則化2023
- Author(s)
  松島慶、山田崇恭
- Journal Title
  
  計算数理工学論文集
  
  Volume: 23 Pages: 21-28
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14166
[Journal Article] Exceptional points in cylindrical elastic media with radiation loss2023
- Author(s)
  Matsushima Kei、Noguchi Yuki、Yamada Takayuki
- Journal Title
  
  Physical Review B
  
  Volume: 107 Issue: 14 Pages: 144104-144104
- DOI
  10.1103/physrevb.107.144104
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14166
[Journal Article] Omnidirectional acoustic cloaking against airborne sound realized by a locally resonant sonic material2022
- Author(s)
  Matsushima Kei、Noguchi Yuki、Yamada Takayuki
- Journal Title
  
  Scientific Reports
  
  Volume: 12 Issue: 1 Pages: 16383-16383
- DOI
  10.1038/s41598-022-20591-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14166
[Journal Article] Unidirectional invisibility in a PT-symmetric structure designed by topology optimization2022
- Author(s)
  Matsushima Kei、Noguchi Yuki、Yamada Takayuki
- Journal Title
  
  Optics Letters
  
  Volume: 47 Issue: 13 Pages: 3315-3315
- DOI
  10.1364/ol.460488
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14166
[Journal Article] Dirichlet-to-Neumann有限要素法とSakurai-Sugiura法に基づく3次元音響導波路の複素固有値解析2022
- Author(s)
  松島慶、野口悠暉、山田崇恭
- Journal Title
  
  計算数理工学論文集
  
  Volume: 22 Pages: 73-80
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Rayleigh-Bloch waves supported by sound-hard non-circular obstacles above the cut-off2024
- Author(s)
  Kei Matsushima, Luke Bennetts, Malte Peter
- Organizer
  The 16th International Conference on Mathematical and Numerical Aspects of Wave Propagation (WAVES 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] Identification of exceptional points in a spherical open elastic system based on a recursive algorithm2024
- Author(s)
  Hiroaki Deguchi, Kei Matsushima, Takayuki Yamada
- Organizer
  The 16th International Conference on Mathematical and Numerical Aspects of Wave Propagation (WAVES 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] Wave tailoring in non-Hermitian systems with structural optimization2024
- Author(s)
  Kei Matsushima, Takayuki Yamada
- Organizer
  IWACOM-IV
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] Identification of non-Hermitian degeneracy in acoustic scattering systems using boundary integral equations2024
- Author(s)
  Kei Matsushima, Takayuki Yamada
- Organizer
  Symposium of the International Association for Boundary Element Methods (IABEM 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] 境界積分方程式に基づく数値計算による音波の散乱と共鳴の解析2024
- Author(s)
  松島慶
- Organizer
  第4回数理解析若手交流会
- Invited
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] On Rayleigh-Bloch waves swapping between physical and unphysical Riemann sheets2024
- Author(s)
  Kei Matsushima, Luke Bennetts, Malte Peter
- Organizer
  KOZWaves 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Non-Hermitian degeneracy in two-dimensional open elastic systems with higher-order exceptional points2024
- Author(s)
  Kei Matsushima, Takayuki Yamada
- Organizer
  The 16th World Congress on Computational Mechanics and 4th Pan American Congress on Computational Mechanics (WCCM-PANACM 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] A numerical method for shape optimization based on the Hilbertian regularization with boundary integral formulation2024
- Author(s)
  Kei Matsushima, Takayuki Yamada
- Organizer
  The Asian Congress of Structural and Multidisciplinary Optimization 2024 (ACSMO 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K17191
[Presentation] 境界積分方程式で記述される形状最適化問題における形状感度のHilbert正則化2023
- Author(s)
  松島慶, 山田崇恭
- Organizer
  計算数理工学シンポジウム2023
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] 最適設計における正則化法とFreeFEMによる数値計算について2023
- Author(s)
  松島慶
- Organizer
  第44回計算数理工学フォーラム
- Invited
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] 光輸送問題における随伴変数法について2023
- Author(s)
  松島慶, 野口悠暉, 山田崇恭
- Organizer
  第28回計算工学講演会
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Designing large-scale acoustic scattering systems using structural optimization and multiple scattering theory2023
- Author(s)
  Kei Matsushima, Takayuki Yamada
- Organizer
  ICIAM2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] 1次元開放系の例外点と時間域散乱問題に関する考察2023
- Author(s)
  松島慶, 山田崇恭
- Organizer
  第36回計算力学講演会
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Design of an omnidirectional acoustic cloaking device based on a multiple scattering theory2022
- Author(s)
  Kei Matsushima, Yuki Noguchi, Takayuki Yamada
- Organizer
  ACSMO2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] 局所共振材料の最適設計による全方向音響クローキングの実現2022
- Author(s)
  松島慶, 野口悠暉, 山田崇恭
- Organizer
  第27回計算工学講演会
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Computation and optimization of multiple wave scattering using boundary integral formulation2022
- Author(s)
  Kei Matsushima
- Organizer
  Seminar at Isaac Newton Institute for Mathematical Sciences
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Dirichlet-to-Neumann有限要素法を用いた光学デバイスのトポロジー最適化2022
- Author(s)
  松島慶, 野口悠暉, 山田崇恭
- Organizer
  第14回最適化シンポジウム
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] パリティ時間対称性を有する誘電体構造のトポロジー最適化2022
- Author(s)
  松島慶, 野口悠暉, 山田崇恭
- Organizer
  第32回設計工学システム部門講演会
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] FreeFEMを用いた外部Helmholtz問題のmode-matching有限要素解析について2022
- Author(s)
  松島慶
- Organizer
  日本応用数理学会 2022年度年会
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] A coupled-mode theory for exterior scattering problems based on a non-orthogonal modal expansion2022
- Author(s)
  Kei Matsushima, Yuki Noguchi, Takayuki Yamada
- Organizer
  WCCM-APCOM 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] 時間域境界要素法を用いた外部散乱問題の複素固有値の考察2022
- Author(s)
  松島慶, 野口悠暉, 山田崇恭
- Organizer
  第35回計算力学講演会
- Data Source
  KAKENHI-PROJECT-22K14166
[Presentation] Tailoring acoustic and electromagnetic waves based on structural optimization2022
- Author(s)
  Kei Matsushima
- Organizer
  KOZWavinars
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14166

1. 飯盛浩司 (50638773)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 正宗淳 (50706538)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Matsushima Kei 松島 慶

Research Projects

Research Products

Co-Researchers

High-order frequency derivatives of wave scattered field in infinite domains and their engineering applications

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

トポロジー最適化による非相反メタマテリアルの創成設計Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

数学に基づいた構造最適化における基礎理論の構築とボトムアップ型展開

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Multi-scale topology optimization of acoustic metamaterialsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Observation of exceptional points in a spherical open elastic system2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Non-Bloch band theory for time-modulated discrete mechanical systems2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A NUMERICAL METHOD FOR FREQUENCY DERIVATIVES OF SOLUTIONS TO TWO-DIMENSIONAL HELMHOLTZ EQUATION BASED ON NYSTRÖM DISCRETIZATION OF A BOUNDARY INTEGRAL EQUATION2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Tracking Rayleigh-Bloch waves swapping between Riemann sheets2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 境界積分方程式で記述される形状最適化問題における形状感度のHilbert正則化2023

Author(s)

Journal Title

Data Source

[Journal Article] Exceptional points in cylindrical elastic media with radiation loss2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Omnidirectional acoustic cloaking against airborne sound realized by a locally resonant sonic material2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Unidirectional invisibility in a PT-symmetric structure designed by topology optimization2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dirichlet-to-Neumann有限要素法とSakurai-Sugiura法に基づく3次元音響導波路の複素固有値解析2022

Author(s)

Journal Title

Data Source

[Presentation] Rayleigh-Bloch waves supported by sound-hard non-circular obstacles above the cut-off2024

Author(s)

Organizer

Data Source

[Presentation] Identification of exceptional points in a spherical open elastic system based on a recursive algorithm2024

Author(s)

Matsushima Kei 松島慶