SeismoMatch – Earthquake Software for Response Spectrum Matching

SeismoMatch is an application capable of adjusting earthquake records, through wavelet addition, to match a specific target response spectrum. Users have the opportunity to simultaneously match a number of accelerograms, and then obtain a mean matched spectrum whose maximum misfit respects a pre-defined tolerance. This software can thus be used in combination with records selection tools and records appropriateness verification algorithms to define adequate suites of records for nonlinear dynamic analysis of new or existing structures.

SeismoMatch Features

  • Units for both the metric and the imperial system are supported
  • For the spectral matching operations, the wavelets algorithm proposed by Abrahamson [1992] and Hancock et al. [2006] is employed
  • Baseline Correction and Filtering supported
  • Velocity & Displacement time-histories for both original and matched records
  • Elastic and inelastic acceleration, velocity and displacement response spectra
  • Calculation of mean response spectra
  • Spectra comparison to target spectrum
  • Calculation of several ground motions parameters
  • Peak ground values of acceleration (PGA), velocity (PGV) and displacement (PGD)
  • Root-mean-square (RMS) of acceleration, velocity and displacement
  • Arias Intensity (Ia)
  • Characteristic Intensity (Ic)
  • Specific Energy Density (SED)
  • Cumulative Absolute Velocity (CAV)
  • Acceleration (ASI) and Velocity (VSI) Spectrum Intensity
  • Housner Intensity (HI)
  • Sustained maximum acceleration (SMA) and velocity (SMV)
  • Effective Design Acceleration (EDA)
  • Predominant Period
  • Significant Duration
  • Data and results presented in tables or charts and easily exported to other Windows application (e.g. MS Word and MS Excel).