Artificial Seismic Motion Simulation and Response Spectrum Fitting Considering Amplitude Spectrum and Phase Spectrum

Artificial Seismic Motion Simulation and Response Spectrum Fitting Considering Amplitude and Phase Spectra. China has revised the "Code for Seismic Design of Building Structures," extending the design response spectrum period from 3 seconds to 6 seconds. This program uses the new standard response spectrum as the target spectrum and employs trigonometric series superposition to simulate seismic acceleration motions, implementing spectral matching through iterative amplitude and phase adjustments.