Average Sa
Average response spectra of ETA20inx at typical times is shown in Figure 1. This is the average response spectra from three x components of ETA20in series, i.e., ETA20inx01, ETA20inx02 and ETA20inx03.
Figure 1. Sa at typical times
Figure 1. Sa at typical times
The complete matrix of average response spectra for ETA20inx series is provided through following links. Matrix ETA20inx_Sa_Avr includes Sa values in the units of g. Each row in ETA20inx_Sa_Avr corresponds to a particular period of vibration, while each column corresponds to a particular time. Periodic values are provided at 2001 points from 0 to 20 s at 0.01 s time steps (ETA20inx_Sa_Avr_mTs vector). Time values ate also provided at 2001 points from 0 to 20 s at 0.01 time steps (ETA20inx_Sa_Avr_mt vector). The above Figure corresponds to row numbers 501, 1001 and 1501 and plotted against time (i.e. ETA20inx_Sa_Avr_mTs vector for x axis values). The periodic span and time step resolution should be too high for most applications, but have been provided here for completeness.
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