Papers - ISAKARI Hiroshi

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

Yuta Honshuku, Hiroshi Isakari

Journal of Computational Physics 509   113046 - (20 pages) 2024.07

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

• Access to Document (DOI)

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 2024.01

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

• Access to Document (DOI)

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 2022.10

Research paper (scientific journal), Joint Work, Last author, Corresponding author, Accepted

• Access to Document (DOI)

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) 2022.08

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2022.07

Research paper (scientific journal), Joint Work, Corresponding author, Accepted

• Access to Document (DOI)

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 2022.03

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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) 2022.01

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2021.09

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2021.06

Research paper (scientific journal), Joint Work, Corresponding author, Accepted

• Access to Document (DOI)

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) 2021.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2021.01

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2020.07

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2019.04

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2017.03

Research paper (scientific journal), Joint Work, Lead author, Corresponding author, Accepted

• Access to Document (DOI)

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) 2017.02

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2016.07

Research paper (scientific journal), Joint Work, Lead author, Corresponding author, Accepted

• Access to Document (DOI)

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 2016.05

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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 2016.05

Research paper (scientific journal), Joint Work, Lead author, Corresponding author, Accepted

• Access to Document (DOI)

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 2015.12

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

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) 2014.08

Research paper (scientific journal), Joint Work, Lead author, Corresponding author, Accepted

• Access to Document (DOI)

弾性体の周波数応答問題に対するトポロジー導関数とレベルセット法に基づくトポロジー最適化

山田崇恭, 飯盛浩司, 松本敏郎, 泉井一浩, 西脇眞二

日本応用数理学会論文誌 24 ( 2 ) 139 - 156 2014.06

Research paper (scientific journal), Joint Work, Accepted

• Access to Document (DOI)

Investigation of finite/infinite unidirectional elastic phononic plates by BEM

Haifeng Gao, Toshiro Matsumoto, Toru Takahashi, Hiroshi Isakari

Engineering Analysis with Boundary Elements 40   93 - 103 2014.03

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Eigenvalue analysis for acoustic problem in 3D by boundary element method with the block Sakurai-Sugiura method

Haifeng Gao, Toshiro Matsumoto, Toru Takahashi, Hiroshi Isakari

Engineering Analysis with Boundary Elements 37 ( 6 ) 914 - 923 2013.06

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Analysis of band structure for 2D acoustic phononic structure by BEM and the Block SS method

Haifeng Gao, Toshiro Matsumoto, Toru Takahashi, Hiroshi Isakari

Computer Modeling in Engineering & Sciences 90 ( 4 ) 283 - 301 2013.05

Research paper (scientific journal), Joint Work, Last author, Accepted

• Access to Document (DOI)

Calderon's preconditioning for periodic fast multipole method for elastodynamics in 3D

Hiroshi Isakari, Kazuki Niino, Hitoshi Yoshikawa, Naoshi Nishimura

International Journal for Numerical Methods in Engineering 90 ( 4 ) 484 - 505 2012.04

Research paper (scientific journal), Joint Work, Lead author, Accepted

• Access to Document (DOI)

3次元動弾性学の周期多重極法とその平面2周期構造による散乱問題への適用

飯盛浩司, 吉川仁, 西村直志

応用力学論文集 13   169 - 178 2010.08

Research paper (scientific journal), Joint Work, Lead author, Accepted

動弾性問題のCIP解析における外挿補間を用いた自由表面の計算法

西藤潤, 澤井俊太郎, 飯盛浩司, 田村武

応用力学論文集 13   221 - 229 2010.08

Research paper (scientific journal), Joint Work, Accepted

3次元動弾性学における周期多重極法とWoodのanomalyに関する基礎的考察

飯盛浩司, 大谷佳宏, 吉川仁, 西村直志

応用力学論文集 12   171 - 178 2009.08

Research paper (scientific journal), Joint Work, Lead author, Accepted

時間域境界積分方程式法によるレーザ励起弾性波動の指向性に関する数値的検証

飯盛浩司, 吉川仁

応用力学論文集 11   159 - 166 2008.08

Research paper (scientific journal), Joint Work, Lead author, Accepted

• Access to Document (DOI)