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Thank you very much professor Mckenna for your prompt response!
set iGMfile "H-E01140 H-e12140" ; # ground-motion filenames, should be different files
set iGMdirection "1 2"; # ground-motion direction
set iGMfact "1.5 0.25"; # ground-motion scaling factor
.
.
.
ReadSMDFile $inFile $outFile dt; # call procedure to convert the ground-motion file
set GMfatt [expr $g*$GMfact]; # data in input file is in g Unifts -- ACCELERATION TH
set AccelSeries "Series -dt $dt -filePath $outFile -factor $GMfatt"; # time series information
pattern UniformExcitation $IDloadTag $GMdirection -accel $AccelSeries ; # create Unifform excitation
}
But in this model, we see that the coefficient G is horizontal =1.5 and vertical=0.25.
in all of the models said coefficient g is variable.
why?

Hi to all, I want to know which Why G coefficients different?



set accelSeriesx "Series -dt 0.01 -filePath SanFernando1.txt -factor $g" ;
set accelSeriesx2 "Series -dt 0.01 -filePath 01-SanFernando-PGA=1.226g-dt=0.01-N=4164.txt -factor [expr (1.076/1.160)*$g*3]" ;
pattern UniformExcitation 2 1 -accel $accelSeriesx ;
pattern UniformExcitation 3 2 -accel $accelSeriesx2 ;


thanks.