ground-motion-modeling

The ground motion evaluation module (WORK IN PROGRESS)

Libs

• GeographicLib v.1.48+
• Glib v.2.50+

Dependencies

• GNU Make (tested on 4.2.1)
• GCC (testd on 5.4.0)

Command-line interface

Using:

gmm <path_to_config_file> [path_to_s_file]

Example with s-file

bin/gmm examples/configs/gmm.conf examples/seisan/19-1248-22L.S201402

Example without s-file:

echo "51.92 143.04 13.0 6.0 0" | bin/gmm examples/configs/gmm.conf

The PGA xyz data lon lat %g will be saved to gmm_pga_out.xyz file in the same directory.

AS2008 GMPE Model

Abrahamson, Norman, and Walter Silva. "Summary of the Abrahamson & Silva NGA ground-motion relations." Earthquake spectra 24.1 (2008): 67-97.

The meaning of some variables in this implementation:

a12 * Frv = 0, a13 * Fnm = 0, a15 * Fas = 0, Fhw * f4(Rjb, Rrup, Rx, W, S, Ztor, Mw) = 0, f6(Ztor) = 0, f10(Z1.0, Vs30) = 0.