FAD1d (annual license)

Accelerograms at bedrock:
imported from external file or simulated through Pugliese & Sabetta method.

Fourier spectra at bedrock:
calculation of 5-percentile, 95-percentile and average value.

Response spectra at bedrock:
calculation of 5-percentile, 95-percentile and average elastic response spectra of velocity and acceleration.

Shear modulus ratio and damping coefficient curves:
default  or user defined curves.

Transfer function:
from 1D numerical method (Schnabel et al., 1972).

Fourier spectra at ground:
calculation of 5-percentile, 95-percentile and average value.

Response spectra at ground – Spettri di risposta in superficie:
calculation of 5-percentile, 95-percentile and average elastic response spectra of velocity and acceleration;
processing of adapted EC8 spectra;
estimating of Housner intensity.

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