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Harmonic-Modal Hybrid Reduced Order Model for the Efficient Integration of Non-Linear Soil Dynamics

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Academic year: 2021

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Table 1. Soil properties, with Gmax the initial shear modulus, ζ 0 ( % ) the damping ratio at small strains, γ r ( % ) the reference strain, and σ
Figure 1. Top: Acceleration time history for Diamond Heights station during Loma Prieta earthquake (1989); bottom: Fourier transform.
Figure 5 shows the modulus reduction, damping, and shear stress curves for the three different methodologies
Figure 4. Shear strain time history of layer 1, layer 3, and layer 5 for the EERA, DEEPSOIL, and the truncated XHMH.
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