| approx.spline | Highcharts-style cubic spline interpolation |
| buildGMDP | Build Ground-Motion Design Parameters (GMDP) |
| buildQSpline | Build a monotone quantile spline Q(u) for ln(Sa) |
| checkUHS | Check monotonicity and duplicates in UHSTable |
| CylinderRoots | Cylinder Roots Data |
| designUHS | MCER / Design elastic spectrum for a Vs30/Vref slice (ASCE 7-22) |
| 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 |
| fitDnCurve | Newmark displacement curve Dn(ky) for one scenario |
| fitDnModel | Newmark displacement for a single submodel and scenario |
| fitModel.Ts | Site's Fundamental Period |
| fitSaF | Site-amplified AUXtral acceleration (Seyhan & Stewart 2014) |
| F_ST17 | Non-linear site amplification factor *FST17* |
| geSiteTable | Single-realisation synthetic soil profile and site properties |
| getCylinderRoots | Characteristic root of an inhomogeneous truncated shear beam |
| getDnKy | Build a log-spaced ky grid for one scenario |
| getKyLimits | Get calibrated ky range for each displacement model |
| getSiteProperties | Monte Carlo site properties from synthetic soil profiles |
| interpolateSaTable | Interpolate Sa(p) at arbitrary period using log-log interpolation |
| invertDnDraws | Invert Dn draws to kmax(Da) |
| rhoBJ | Baker and Jayaram (2008) inter-period correlation model |
| SaF_ST17 | Site-amplified spectral acceleration using Seyhan & Stewart (2014) |
| sampleSaCorr | Draw a correlated sample of spectral accelerations |
| ShearModelParameters | ShearModelParameters |
| SIDtoVs30 | Convert Site Class to Vs30 in m/s |
| SiteClass | Site Class Data |
| SiteTable | SiteTable Data |
| Vs30toSID | Convert Vs30 (m/s) to Site Class Identifier |