To instruct the program to use frequency-spectra pairs
in lieu of period-spectra pairs for the time history spectrum input, use the
following procedure.
Create a structure
with a time history definition using the Spectrum option.
These optional
commands cannot be entered via the graphical user interface. They are required
to be added using the
STAAD.Proエディタ.
-
On the
Utilities ribbon tab, select the
Command File Editor tool in the
Utilities group.
The
STAAD.Proエディタ window opens with the
current
STAAD入力ファイル.
-
After the
DEFINE TIME HISOTRY command, in the
SPECTRUM options, add the command
FREQ.
-
Save the command input file and then exit the
STAAD.Proエディタ.
