Level set-based topology optimization for the design of labyrinthine acoustic metamaterials Y Noguchi, K Matsushima, T Yamada Materials & Design 219, 110832, 2022 | 18 | 2022 |

Two-phase topology optimization for metamaterials with negative Poissonfs ratio D Akamatsu, Y Noguchi, K Matsushima, Y Sato, J Yanagimoto, T Yamada Composite Structures 311, 116800, 2023 | 11 | 2023 |

Multi-material topology optimization for additive manufacturing considering dimensional constraints Y Feng, M Noda, Y Noguchi, K Matsushima, T Yamada Computer Methods in Applied Mechanics and Engineering 410, 116027, 2023 | 8 | 2023 |

Level set-based multiscale topology optimization for a thermal cloak design problem using the homogenization method M Nakagawa, Y Noguchi, K Matsushima, T Yamada International Journal of Heat and Mass Transfer 207, 123964, 2023 | 7 | 2023 |

An investigation of eigenfrequencies of boundary integral equations and the Burton-Miller formulation in two-dimensional elastodynamics K Matsushima, H Isakari, T Takahashi, T Matsumoto Boundary Elements and Other Mesh Reduction Methods, 169, 2018 | 7 | 2018 |

Topology optimization for rarefied gas flow problems using density method and adjoint IP-DSMC K Guan, K Matsushima, Y Noguchi, T Yamada Journal of Computational Physics 474, 111788, 2023 | 6 | 2023 |

Unidirectional invisibility in a PT-symmetric structure designed by topology optimization K Matsushima, Y Noguchi, T Yamada Optics Letters 47 (13), 3315-3318, 2022 | 6 | 2022 |

A topology optimisation of composite elastic metamaterial slabs based on the manipulation of far-field behaviours K Matsushima, H Isakari, T Takahashi, T Matsumoto Structural and Multidisciplinary Optimization 63, 231-243, 2021 | 6 | 2021 |

An application of topology optimisation to defect identification in two-dimensional elastodynamics with the BEM and H-matrix method K Matsushima, H Isakari, T Takahashi, T Matsumoto Boundary Elements and Other Mesh Reduction Methods, 73, 2018 | 6 | 2018 |

Multiscale topology optimization of electromagnetic metamaterials using a high-contrast homogenization method N Murai, Y Noguchi, K Matsushima, T Yamada Computer Methods in Applied Mechanics and Engineering 403, 115728, 2023 | 4 | 2023 |

Omnidirectional acoustic cloaking against airborne sound realized by a locally resonant sonic material K Matsushima, Y Noguchi, T Yamada Scientific Reports 12 (1), 16383, 2022 | 4 | 2022 |

Labyrinthine Acoustic Metamaterials with a Subwavelength Bandgap Inspired by Topology]Optimized Structural Design Y Noguchi, T Yamamoto, K Matsushima, T Yamada Advanced Engineering Materials 25 (4), 2201104, 2023 | 2 | 2023 |

Domain Segmentation Optimization of Multiple Anisotropic Materials With Varying Orientation Angles Using a Topology Optimization Based on the Extended Level Set Method M Noda, K Matsushima, Y Noguchi, T Yamada ASME International Mechanical Engineering Congress and Exposition 86649 c, 2022 | 2 | 2022 |

Exceptional points in cylindrical elastic media with radiation loss K Matsushima, Y Noguchi, T Yamada Physical Review B 107 (14), 144104, 2023 | 1 | 2023 |

Topology Optimization for Acoustic Structures Without Floating Components Y Noguchi, Y Ohta, K Matsushima, T Yamada ASME International Mechanical Engineering Congress and Exposition 86649 c, 2022 | 1 | 2022 |

A topology optimization of open acoustic waveguides based on a scattering matrix method K Matsushima, H Isakari, T Takahashi, T Matsumoto Wave Motion 113, 102987, 2022 | 1 | 2022 |

A numerical method for elastic wave scattering in multi-layered periodic media based on the scattering matrix and BEM K MATSUSHIMA, H ISAKARI, T TAKAHASHI, T MATSUMOTO Mechanical Engineering Journal 8 (1), 20-00364-20-00364, 2021 | 1 | 2021 |

Orientation optimization via topological derivatives in combination with multi-material topology optimization based on extended level set method M Noda, K Matsushima, T Yamada Computer Methods in Applied Mechanics and Engineering 418, 116585, 2024 | | 2024 |

Multicomponent Topology Optimization Method Considering Stepwise Linear Assemblability with a Fictitious Physical Model R Hirosawa, M Noda, K Matsushima, Y Noguchi, T Yamada Computer-Aided Design 166, 103628, 2024 | | 2024 |

Orientation Optimization With Topological Derivative for Anisotropic Materials With Rotational Symmetry M Noda, K Matsushima, T Yamada International Design Engineering Technical Conferences and Computers and c, 2023 | | 2023 |