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Building a model

Ground motion records

Import an acceleration record into a Path time series.

On a Path time series, the ground-motion importer reads an acceleration record from a file and fills in the series.

Supported files

PEER .AT2, .csv, .txt and .dat. Files are limited to 32 MB and one million samples. Two sample records, LOS000 and LOS270, are bundled.

Options

OptionMeaning
Header lines to skipLines before the data starts
Time columnWhether the file includes a time column
Sample intervalTime step when there is no time column
Prepend zeroAdds a zero sample at time 0
Linear scale factorMultiplies the record, for example 9.80665 to convert g to m/s²
-useLastHolds the last value after the record ends

Press Use this record to fill the series.

Use the series in a UniformExcitation pattern, then run an earthquake analysis.