論文 - 飯盛　浩司

BEM-based fast frequency sweep for acoustic scattering by periodic slab

Yuta Honshuku, Hiroshi Isakari

Journal of Computational Physics 509   113046 - (20 pages) 2024年07月

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A Burton-Miller-type boundary element method based on a hybrid integral representation and its application to cavity scattering

Riku Toshimitsu, Hiroshi Isakari

Engineering Analysis with Boundary Elements 158   303 - 312 2024年01月

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A topology optimisation of acoustic devices based on the frequency response estimation with the Padé approximation

Yuta Honshuku, Hiroshi Isakari

Applied Mathematical Modelling 110   819 - 840 2022年10月

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A topology optimization of open acoustic waveguides based on a scattering matrix method

Kei Matsushima, Hiroshi Isakari, Toru Takahashi, Toshiro Matsumoto

Wave Motion 113   102987 - (18 pages) 2022年08月

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A robust topology optimisation for wideband structures in acoustic-elastodynamic coupled fields

Jincheng Qin, Hiroshi Isakari, Toru Takahashi, Toshiro Matsumoto

Engineering Analysis with Boundary Elements 140   544 - 561 2022年07月

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An isogeometric boundary element method for three-dimensional doubly-periodic layered structures in electromagnetics

Toru Takahashi, Tetsuro Hirai, Hiroshi Isakari, Toshiro Matsumoto

Engineering Analysis with Boundary Elements 136   37 - 54 2022年03月

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A shape optimisation with the isogeometric boundary element method and adjoint variable method for the three-dimensional Helmholtz equation

Toru Takahashi, Daisuke Sato, Hiroshi Isakari, Toshiro Matsumoto

Computer-Aided Design 142 （ C ） 103126 - (17 pages) 2022年01月

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Topology optimization for incompressible viscous fluid flow using the lattice kinetic scheme

Suqiong Xie, Kentaro Yaji, Toru Takahashi, Hiroshi Isakari, Masato Yoshino, Toshiro Matsumoto

Computers & Mathematics with Applications 97   251 - 266 2021年09月

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A robust topology optimization for enlarging working bandwidth of acoustic devices

Jincheng Qin, Hiroshi Isakari, Kouichi Taji, Toru Takahashi, Toshiro Matsumoto

International Journal for Numerical Methods in Engineering 122 （ 11 ） 2694 - 2711 2021年06月

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A numerical method for elastic wave scattering in multi-layered periodic media based on the scattering matrix and BEM

Kei Matsushima, Hiroshi Isakari, Toru Takahashi, Toshiro Matsumoto

Mechanical Engineering Journal 8 （ 1 ） 20-00364 - (21 pages) 2021年02月

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A topology optimisation of composite elastic metamaterial slabs based on the manipulation of far-field behaviours

Kei Matsushima, Hiroshi Isakari, Toru Takahashi, Toshiro Matsumoto

Structural and Multidisciplinary Optimization 63   231 - 243 2021年01月

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Level-set based topology optimization of transient flow using lattice Boltzmann method considering an oscillating flow condition

Truong Nguyen, Hiroshi Isakari, Toru Takahashi, Kentaro Yaji, Masato Yoshino, Toshiro Matsumoto

Computers & Mathematics with Applications 80 （ 1 ） 82 - 108 2020年07月

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A framework of shape optimisation based on the isogeometric boundary element method toward designing thin-silicon photovoltaic devices

Toru Takahashi, Tatsuro Yamamoto, Yuta Shimba, Hiroshi Isakari, Toshiro Matsumoto

Engineering with Computers 35   423 - 449 2019年04月

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A level-set-based topology optimisation for acoustic-elastic coupled problems with a fast BEM-FEM solver

Hiroshi Isakari, Toyohiro Kondo, Toru Takahashi, Toshiro Matsumoto

Computer Methods in Applied Mechanics and Engineering 315   501 - 521 2017年03月

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A level-set-based topology optimisation of carpet cloaking devices with the boundary element method

Kenta Nakamoto, Hiroshi Isakari, Toru Takahashi, Toshiro Matsumoto

Mechanical Engineering Journal 4 （ 1 ） 16-00269 - (19 pages) 2017年02月

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Periodic band structure calculation by the Sakurai-Sugiura method with a fast direct solver for the boundary element method with the fast multipole representation

Hiroshi Isakari, Toru Takahashi, Toshiro Matsumoto

Engineering Analysis with Boundary Elements 68   42 - 53 2016年07月

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An efficient blocking M2L translation for low-frequency fast multipole method in three dimensions

Toru Takahashi, Yuta Shimba, Horoshi Isakari, Toshiro Matsumoto

Computer Physics Communications 202   151 - 164 2016年05月

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A multi-objective topology optimisation for 2D electro-magnetic wave problems with the level set method and BEM

Hiroshi Isakari, Kenta Nakamoto, Tatsuya Kitabayashi, Toru Takahashi, Toshiro Matsumoto

European Journal of Computational Mechanics 25 （ 1-2 ） 165 - 193 2016年05月

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Level set-based topology optimization for 2D heat conduction problems using BEM with objective function defined on design-dependent boundary with heat transfer boundary condition

Guoxian Jing, Hiroshi Isakari, Toshiro Matsumoto, Takayuki Yamada, Toru Takahashi

Engineering Analysis with Boundary Elements 61   61 - 70 2015年12月

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A topology optimisation for three-dimensional acoustics with the level set method and the fast multipole boundary element method

Hiroshi Isakari, Kohei Kuriyama, Sinya Harada, Takayuki Yamada, Toru Takahashi, Toshiro Matsumoto

Mechanical Engineering Journal 1 （ 4 ） CM0039 - (13 pages) 2014年08月

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