2023
DOI: 10.1088/1402-4896/ad0d60
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Constructing artificial boundary condition of dispersive wave systems by deep learning neural network

Zijun Zheng,
Jiaru Shao,
Ziying Zhang

Abstract: To solve one dimensional dispersive wave systems in an unbounded domain, a uniform way to establish localized artificial boundary conditions is proposed. The idea is replacing the half-infinite interval outside the region of interest with a super element which exhibits the same dynamics response. Instead of designing the detailed mechanical structures of the super element, we directly reconstruct its stiffness, mass, and damping matrices by matching its frequency-domain reaction force with the expected one. An… Show more

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