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Seismic analysis of a tall metal wind turbine support tower with realistic geometric imperfections

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Figure

Fig. 2 – Illustration of mesh convergence study: five different meshes under a 10-second scaled nonlinear time-history seismic record (Pacoima Dam), with dof and
Fig. 4 – Triaxial acceleration spectra of unscaled records considered in this study assuming a damping ratio of ξ = 5%
Table 1 – Seismological information and 1% damping spectral accelerations at fundamental periods for the natural records employed in MSAsRecord / station, year   j(j) XZ(
Fig. 5 – External work and energy dissipated by plasticity for models with and without  self-contact (El Centro #9, perfect shell, ξ = 1%, SaXYZ(T1) ≈ 2 g)
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