Papers - TAKAHASHI Toru

A boundary integral equation-based parametric PINN for 2D steady-state acoustic problems

Tanigawa, M; Takahashi, T

APPLIED MATHEMATICAL MODELLING   Vol. 155   2026.7

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DOI： 10.1016/j.apm.2025.116706

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A shape optimisation of mutual inductances among coils

Takahashi, T; Tokito, T; Cui, Y; Matsumoto, T

APPLIED MATHEMATICAL MODELLING   Vol. 148   2025.12

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DOI： 10.1016/j.apm.2025.116257

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A gradient-based shape optimisation for time-domain acoustic problems regarding the 3D dissipative wave equation with using the boundary element method Open Access

Takahashi, T; Li, JC

ENGINEERING WITH COMPUTERS   Vol. 41 ( 5 ) page： 3891 - 3917   2025.10

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DOI： 10.1007/s00366-025-02185-1

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An electromagnetic shape optimisation for perfectly electric conductors by the time-domain boundary integral equations

Takahashi, T

ENGINEERING WITH COMPUTERS   Vol. 41 ( 1 ) page： 293 - 320   2025.2

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DOI： 10.1007/s00366-024-01990-4

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Framework of acoustic analysis and shape optimization for three-dimensional doubly periodic multilayered structures

Jiang, FH; Takahashi, T; Zheng, CJ; Matsumoto, T; Chen, HB

JOURNAL OF COMPUTATIONAL PHYSICS   Vol. 520   2025.1

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DOI： 10.1016/j.jcp.2024.113483

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Topology optimization of eigenvalues for elastic structures by topological derivatives and time domain response Open Access

Ren, H; Cui, Y; Takahashi, T; Matsumoto, T

MECHANICAL ENGINEERING JOURNAL   Vol. 12 ( 5 )   2025

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DOI： 10.1299/mej.25-00129

Open Access

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Topology optimization of anisotropic structure for arbitrary objective functionals with exact free boundary representation

Cui, Y; Yang, WZ; Takahashi, T; Matsumoto, T

COMPUTERS & STRUCTURES   Vol. 300   2024.8

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DOI： 10.1016/j.compstruc.2024.107405

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Designing gradient coils with the shape derivative and the closed B-spline curves

Takahashi, T

MAGNETIC RESONANCE IMAGING   Vol. 110   page： 112 - 127   2024.7

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DOI： 10.1016/j.mri.2024.03.042

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PubMed

A time-domain boundary element method for the 3D dissipative wave equation: Case of Neumann problems Reviewed Open Access

Takahashi, T

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING   Vol. 124 ( 23 ) page： 5263 - 5292   2023.12

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Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.1002/nme.7343

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A fast time-domain boundary element method for three-dimensional electromagnetic scattering problems Reviewed Open Access

Takahashi, T

JOURNAL OF COMPUTATIONAL PHYSICS   Vol. 482   2023.6

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Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.1016/j.jcp.2023.112053

Open Access

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An exact volume constraint method for topology optimization via reaction-diffusion equation

Cui, Y; Takahashi, T; Matsumoto, T

COMPUTERS & STRUCTURES   Vol. 280   2023.5

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DOI： 10.1016/j.compstruc.2023.106986

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A three-dimensional shape optimization for transient acoustic scattering problems using the time-domain boundary element method Open Access

Takahashi, T; Miyazawa, N; Tanigawa, M

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING   Vol. 124 ( 2 ) page： 482 - 512   2023.1

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Language：Japanese  

DOI： 10.1002/nme.7130

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

Matsushima, K; Isakari, H; Takahashi, T; Matsumoto, T

WAVE MOTION   Vol. 113   2022.8

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Language：Japanese  

DOI： 10.1016/j.wavemoti.2022.102987

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

Qin, JC; Isakari, H; Takahashi, T; Matsumoto, T

ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS   Vol. 140   page： 544 - 561   2022.7

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Language：Japanese  

DOI： 10.1016/j.enganabound.2022.04.012

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

Takahashi, T; Hirai, T; Isakari, H; Matsumoto, T

ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS   Vol. 136   page： 37 - 54   2022.3

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DOI： 10.1016/j.enganabound.2021.11.020

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An enhancement of the fast time-domain boundary element method for the three-dimensional wave equation Open Access

Takahashi, T; Tanigawa, M; Miyazawa, N

COMPUTER PHYSICS COMMUNICATIONS   Vol. 271   2022.2

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Language：Japanese  

DOI： 10.1016/j.cpc.2021.108229

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A Shape Optimisation with the Isogeometric Boundary Element Method and Adjoint Variable Method for the Three-Dimensional Helmholtz Equation Open Access

Takahashi, T; Sato, D; Isakari, H; Matsumoto, T

COMPUTER-AIDED DESIGN   Vol. 142   2022.1

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Language：Japanese  

DOI： 10.1016/j.cad.2021.103126

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A time-saving FEM-based approach for structural topology optimization with exact boundary representation Open Access

Cui, Y; Takahashi, T; Matsumoto, T

MECHANICAL ENGINEERING JOURNAL   Vol. 9 ( 6 )   2022

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DOI： 10.1299/mej.22-00281

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

Xie, SQ; Yaji, K; Takahashi, T; Isakari, H; Yoshino, M; Matsumoto, T

COMPUTERS & MATHEMATICS WITH APPLICATIONS   Vol. 97   page： 251 - 266   2021.9

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Language：Japanese  

DOI： 10.1016/j.camwa.2021.05.032

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A robust topology optimization for enlarging working bandwidth of acoustic devices

Qin, JC; Isakari, H; Taji, K; Takahashi, T; Matsumoto, T

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING   Vol. 122 ( 11 ) page： 2694 - 2711   2021.6

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Language：Japanese  

DOI： 10.1002/nme.6637

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