Publications

Journal Papers (selected from 2023--Present)

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

Masaki Tanigawa, Toru Takahashi

Applied Mathematical Modelling, Vol. 155, 116706, 2026.

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

Fuhang Jiang, Toru Takahashi, Changjun Zheng, Toshiro Matsumoto, Haibo Chen

Journal of Computational Physics, Vol. 520, 113483, 2025.

A shape optimisation of mutual inductances among coils

Toru Takahashi, Tatsuya Tokito, Yi Cui, Toshiro Matsumoto

Applied Mathematical Modelling, Vol. 148, 116257, 2025.

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

Toru Takahashi, Jichuan Li

Engineering with Computers, 2025.

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

Hao Ren, Yi Cui, Toru Takahashi, Toshiro Matsumoto

Mechanical Engineering Journal, 25-00129, 2025.

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

Toru Takahashi

Engineering with Computers, Vol. 41, 293–320, 2025.

Dynamic topology optimization of anisotropic structures based on topological derivative in the frequency domain

Shuzhan Zhou, Yi Cui, Toru Takahashi, Toshiro Matsumoto

JASCOME, Vol. 25, 215–224, 2025.

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

Yi Cui, Toru Takahashi, Toshiro Matsumoto

Computers & Structures, Vol. 300, 107405, 2024.

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

Toru Takahashi

Magnetic Resonance Imaging, Vol. 110, 112–127, 2024.

Estimating the locations and shapes of scatterers by using their representative points for three-dimensional acoustic inverse problems

Yuki Sugihara, Toru Takahashi, Yi Cui, Toshiro Matsumoto

JASCOME, Vol. 24, 89–96, 2024.

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

Toru Takahashi

International Journal for Numerical Methods in Engineering, Vol. 124, 5263–5292, 2023.

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

Toru Takahashi

Journal of Computational Physics, Vol. 482, 112053, 2023.

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

Yi Cui, Toru Takahashi, Toshiro Matsumoto

Computers & Structures, Vol. 280, 106986, 2023.

International Conferences

Time-domain topology optimisations based on the boundary element methods

T. Takahashi

WCCM-ECCOMAS 2026, Munich, Germany, July 2026.

Gradient-based shape optimisations for 3D transient acoustics with using the fast boundary element method

T. Takahashi

189th Meeting of the Acoustical Society of America joint with the Acoustical Society of Japan, Hawaii, USA, Dec 2025.

A boundary-integral-equations-friendly shape optimsation for perfectly electric conductors

T. Takahashi

WCCM 2024/PANACM 2024, Vancouver, Canada, July 2024.