Energy dissipation estimates (Fig. 11), in accordance with the traditional area-based approach, reaffirm such a trend. In particular, Fig. 11 indicates the cumulative energy dissipated by cycles at different drift levels, obtained as the area enclosed by a complete hysteresis loop ED, and shows the equivalent viscous damping ξ, determined by equating the energy absorbed by the hysteretic steady-state cyclic response at a given displacement level, as expressed by Eq. (2)
Energy dissipation estimates (Fig. 11), in accordance with the traditional area-based approach, reaffirm such a trend. In particular, Fig. 11 indicates the cumulative energy dissipated by cycles at different drift levels, obtained as the area enclosed by a complete hysteresis loop ED, and shows the equivalent viscous damping ξ, determined by equating the energy absorbed by the hysteretic steady-state cyclic response at a given displacement level, as expressed by Eq. (2)
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