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OpenSeismoMatlab: A new open-source software for strong ground motion data processing
George Papazafeiropoulos1, Vagelis Plevris2
1Institute of Structural Analysis and Antiseismic Research, National Technical University of Athens, Heroon Polytechniou 9, Zografou Campus, 15780, Athens, Greece.
Heliyon
|October 2, 2018
Summary
OpenSeismoMatlab is a new open-source software for processing earthquake ground motion data. It offers accurate and fast calculations for various seismic analyses, aiding research and education.
Area of Science:
- Seismology and Earthquake Engineering
- Computational Seismology
Background:
- Strong ground motion data processing is crucial for seismic hazard analysis.
- Existing software may lack flexibility or be proprietary, limiting research and education.
Purpose of the Study:
- Introduce OpenSeismoMatlab, an open-source MATLAB software for seismic data processing.
- Detail its algorithms, structure, and capabilities for calculating seismic parameters.
Main Methods:
- Implementation of an elastoplastic bilinear kinematic hardening model.
- Utilization of a fast, robust, and accurate single-step single-solve time integration algorithm.
- Calculation of time histories, peak values, Arias intensity, significant duration, and various response spectra.
Main Results:
- OpenSeismoMatlab successfully processes strong ground motion data.
- Calculated spectral results were compared favorably against proprietary software.
- Demonstrated the software's capability to compute diverse seismic parameters.
Conclusions:
- OpenSeismoMatlab provides a valuable, extensible, and open-source tool for seismic data analysis.
- Its speed, accuracy, and comprehensive features support research and educational endeavors in earthquake engineering.
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