Wavelet Analysis on Detecting Pulse-Like Earthquakes

Bosi, Anna; Mollaioli, Fabrizio; Mariano, Paolo Maria

doi:10.1063/1.2963815

Cited by 3 publications

(1 citation statement)

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“…In particular, we propose to explore through wavelets micro‐to‐macro interactions at points where we have material or load discontinuities, such as tips (in the former case) or concentrated forces (in the latter). We follow a view introduced in Bosi 20 and Bosi et al 21 to detect mechanical discontinuities through the analysis of wavelet spikes, a view investigated further in other studies 22–24 and references therein.…”

Section: Introductionmentioning

confidence: 99%

Micro‐to‐macro interactions in complex bodies: Wavelet‐based post‐processing detection

Bosi¹,

Mariano

Salvatori

2021

Math Methods in App Sciences

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We propose to couple finite element simulations and wavelet‐based post‐processing analysis to explore deeply the interaction degree of microscopic events on the gross behavior of complex bodies (which class includes metamaterials), above all around material or load discontinuities. After summarizing the theoretical structures our procedure refers to, as a sample case we select a special class of complex materials, namely, quasicrystals, and show how the proposed scheme works. As a result, we point out the effects of atomic rearrangements characterizing the quasicrystal structure on the stress field around a crack tip in static and dynamical setting. Our procedure can be also used for the analysis of dynamic experimental data. In this case, it allows us to detect discontinuities at least along directions selected within the body. In turn, our procedure can be used for monitoring purposes.

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Section: Introductionmentioning

confidence: 99%