本文提出新穎的地震超材料設計：雪人型地震超材料，其相較於文獻上相同類型的地震超材料，可產生更低頻與更寬的第一帶隙，而適宜阻隔地震波。我們透過幾何參數探討，選取合適的雪人型地震超材料尺寸，其帶隙區間為6.7 Hz- 9.32 Hz與 15.35 Hz- 16.03 Hz。本文亦透過設計全域模擬模型，探討雪人型地震超材料於單層土壤及多層土壤上的暫態波傳行為。結果顯示地震超材料衰減能量的頻率範圍與頻散圖一致，驗證本研究模擬之正確性。

This paper proposes a novel seismic metamaterial design: snowman-type seismic metamaterial, which can generate a lower frequency and a wider first bandgap than the same type of seismic metamaterial in the literature, and it is suitable for blocking seismic waves. Through the discussion of geometric parameters, we select the appropriate size of the snowman-like seismic metamaterial, and its bandgap ranges from 6.7 Hz to 9.32 Hz and 15.35 Hz to 16.03 Hz. This paper designs a global simulation modal, and also discusses the transient wave propagation behavior of snowman-like seismic metamaterials on a single-layered soil medium and multi-layered soil media. The results show that the frequency range of the attenuation energy is consistent with the dispersion curve, and it verifies the correctness of the simulation in this study.

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檢自https://tesis.earth.sinica.edu.tw/new/ (Jan.30‚2022)

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