Package index

Dynamic site response (Workflow 1)

Build the soil profile, the fundamental period of the sliding mass, and the site-amplified UHS.

getSiteProperties()

Monte Carlo site properties from synthetic soil profiles

geSiteTable()

Single-realisation synthetic soil profile and site properties

getCylinderRoots()

Characteristic root of an inhomogeneous truncated shear beam

fitModel.Ts()

Site's Fundamental Period

fitSaF()

Site-amplified AUXtral acceleration (Seyhan & Stewart 2014)

Vs30toSID()

Convert Vs30 (m/s) to Site Class Identifier

SIDtoVs30()

Convert Site Class to Vs30 in m/s

Hazard import (Workflow 2)

Convert OpenQuake classical-PSHA and disaggregation output into the AEPTable, UHSTable and RMwTable consumed downstream.

buildGMDP()

Build Ground-Motion Design Parameters (GMDP)

Displacement curves (Workflow 3)

Build the ky grid and run the coherent Monte Carlo over the six-model Newmark sliding-block ensemble.

getDnKy()

Build a log-spaced ky grid for one scenario

fitDnCurve()

Newmark displacement curve Dn(ky) for one scenario

fitDnModel()

Newmark displacement for a single submodel and scenario

getKyLimits()

Get calibrated ky range for each displacement model

Seismic coefficient (Workflow 4)

Invert per-realisation displacement draws to the design kmax at the chosen displacement targets.

invertDnDraws()

Invert Dn draws to kmax(Da)

Datasets

CylinderRoots

Cylinder Roots Data

ShearModelParameters

ShearModelParameters

SiteClass

Site Class Data

SiteTable

SiteTable Data

Internal model evaluators

Per-model displacement evaluators called by fitDnCurve().

Dn_AM88()

Ambraseys & Menu (1988) rigid sliding-block model

Dn_BM17()

Bray & Macedo (2017) - subduction/interface events

Dn_BM19()

Bray & Macedo (2019, corrected 2023) - shallow-crustal events

Dn_BT07()

Bray & Travasarou (2007) flexible sliding-block model

Dn_JB07()

Jibson (2007) empirical model

Dn_SR08()

Saygili & Rathje (2008) model

F_ST17()

Non-linear site amplification factor F_ST17

SaF_ST17()

Site-amplified spectral acceleration using Seyhan & Stewart (2014)

Internal hazard / spectrum helpers

Lower-level helpers exposed by the package; used internally by fitSaF(), buildGMDP() and the Monte Carlo sampling.

approx.spline()

Highcharts-style cubic spline interpolation

buildQSpline()

Build a monotone quantile spline Q(u) for ln(Sa)

checkUHS()

Check monotonicity and duplicates in UHSTable

designUHS()

MCER / Design elastic spectrum for a Vs30/Vref slice (ASCE 7-22)

interpolateSaTable()

Interpolate Sa(p) at arbitrary period using log-log interpolation

rhoBJ()

Baker and Jayaram (2008) inter-period correlation model

sampleSaCorr()

Draw a correlated sample of spectral accelerations