Computation and optimization of multiple wave scattering using boundary integral formulation

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• Kei MATSUSHIMA (University of Tokyo)
• Thursday 02 February 2023, 16:00-17:00
• Seminar Room 2, Newton Institute.

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MWS - Mathematical theory and applications of multiple wave scattering

In this talk, I will introduce a numerical method for solving 2-D exterior Helmholtz problems with multiple or periodic scatterers. The method is based on the multipole expansion (cylindrical wave expansion) with T-matrix, which characterizes the scattering from a single obstacle. A boundary integral formulation is used to compute the T-matrix of non-circular scatterers. After that, I will talk about the design optimization (inverse design) of multiple scattering systems. Some numerical examples will be provided to demonstrate that the proposed inverse-design method can tailor multiple wave scattering.

This talk is part of the Isaac Newton Institute Seminar Series series.

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