1 citations · 1 across the 8 of their papers we have counts for
9 papers
Hierarchical low-rank compression exploiting symmetric boundary integral equations in transmission scattering
Yasuhiro Matsumoto, Taizo Maruyama, Qianxiang Ma +1
We propose an approach using matrix symmetry to accelerate hierarchical low-rank compression for wave transmission scattering. For Helmholtz transmission problems, we introduce a s…
Proxy-surface-based fast direct solver for TE-mode scattering problems on distributed memory systems
Yasuhiro Matsumoto, Rio Yokota
This paper describes an MPI/OpenMP hybrid parallelized fast direct solver for the scattering problem of transverse electric (TE)-mode electromagnetic waves. Because TE-mode scatter…
Well-posedness of the weakly singular Burton-Miller equation for Helmholtz transmission problems
Yasuhiro Matsumoto
Although various boundary integral formulations are available for the Helmholtz transmission problem, the weakly singular Burton-Miller (BM) equation is promising because it is wel…
An accelerated direct solver for scalar wave scattering by multiple transmissive inclusions in two dimensions
Yasuhiro Matsumoto
This paper discusses a fast direct solver using boundary integral equations for Helmholtz transmission problems involving multiple inclusions in two dimensions. Efficiently address…
Efficient LU factorization exploiting direct-indirect Burton-Miller equation for Helmholtz transmission problems
Yasuhiro Matsumoto, Kei Matsushima
This paper proposes a direct-indirect mixed Burton-Miller boundary integral equation for solving Helmholtz scattering problems with transmissive scatterers. The proposed formulatio…
A fast direct solver for two-dimensional transmission problems of elastic waves
Yasuhiro Matsumoto, Taizo Maruyama
This paper describes a fast direct boundary element method for elastodynamic transmission problems in two dimensions, which can be used for analyzing elastic wave scattering by an…
Injectivity of boundary integral operator in direct-indirect mixed Burton-Miller equation for wave scattering problems with transmissive circular inclusion
Yasuhiro Matsumoto, Kei Matsushima
This study proves that the injectivity condition for the integral operator of the direct-indirect mixed Burton-Miller (BM) boundary integral equation (BIE) for Helmholtz transmissi…
Linearly scalable fast direct solver based on proxy surface method for two-dimensional elastic wave scattering by cavity
Yasuhiro Matsumoto, Taizo Maruyama
This paper proposes an fast direct solver for two-dimensional elastic wave scattering problems. The proxy surface method is extended to elastodynamics to obtain shared coeff…
Automatically well-conditioned collocation boundary element method for transmission problems based on the Burton--Miller formulation
Yasuhiro Matsumoto, Akihiro Yoshiki, Hiroshi Isakari
This paper proposes a collocation boundary element method based on the Burton--Miller method for solving transmission problems, which is rapidly convergent within the Krylov subspa…