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Spectral patterns of elastic transmission eigenfunctions: boundary localisation, surface resonance and stress concentration (2211.16729v1)
Published 30 Nov 2022 in math.AP
Abstract: We present a comprehensive study of new discoveries on the spectral patterns of elastic transmission eigenfunctions, including boundary localisation, surface resonance, and stress concentration. In the case where the domain is radial and the underlying parameters are constant, we give rigorous justifications and derive a thorough understanding of those intriguing geometric and physical patterns. We also present numerical examples to verify that the same results hold in general geometric and parameter setups.