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BA08 Period-Dependent Model Coefficients {nga}

BA08 Period-Dependent Model Coefficients
Package: 
nga
Version: 
1.4-1

Description

Functions for computing the period-dependent coefficients of the Boore & Atkinson NGA model.

Usage

blin.ba(T)
b1.ba(T)
b2.ba(T)
c1.ba(T)
c2.ba(T)
c3.ba(T)
h.ba(T)
e1.ba(T)
e2.ba(T)
e3.ba(T)
e4.ba(T)
e5.ba(T)
e6.ba(T)
e7.ba(T)
Mh.ba(T)
Sigma.ba(T)
TauU.ba(T)
TauM.ba(T)
SigmaTotU.ba(T)
SigmaTotM.ba(T)

Arguments

T
Spectral period (sec). Use 0 for PGA and -1 for PGV.

Details

Site-amplification coefficients (Table 3 in Boore and Atkinson (2008)):
blin.ba, b1.ba, and b2.ba.
Distance-scaling coefficients (Table 6):
c1.ba, c2.ba,     c3.ba, and h.ba.
Magnitude-scaling coefficients (Table 7):
e1.ba, e2.ba,     e3.ba, e4.ba, e5.ba, e6.ba, e7.ba, and Mh.ba.
Coefficients for standard deviation term (Table 8):
Sigma.ba; TauU.ba, SigTotU.ba (unspecified fault mechanism) ; TauM.ba, SigTotM.ba (specified fault mechanism)

Values

Coefficients for the Boore & Atkinson NGA model.

References

Boore, D. M., and G. M. Atkinson (2008). Ground-Motion Prediction Equations for the Average Horizontal Component of PGA, PGV, and 5%-Damped PSA at Spectral Periods between 0.01 s and 10.0 s. Earthquake Spectra 24, 99--138.

See Also

coefs, periods.ba, subs.ba, Sa.ba, Sa.nga.

Author(s)

James Kaklamanos and Eric M. Thompson

Documentation reproduced from package nga, version 1.4-1. License: GPL-2