Artificial Earthquake Generator

 

▒ Overview

IMG_C_ICON_DOT.gifGenerate artificial earthquake data from the embedded design spectral data.

IMG_C_ICON_DOT.gifEnvelope Function enables to generate transient earthquake data.

IMG_C_ICON_DOT.gifThere are three types of envelope functions : Trapezoidal, Compound and Exponential. FEANX supports Trapezoidal Type.

 

▒ Methodology

[Design Spectral Data]                                                                                                                      [Process of Artificial Earthquake Generation]

where, ωn= Frequency, An = Amplitude, Фn = Phase Angle, and I(t) =  Envelope Function

[Envelope Function]

Generate Options

- Max Iterations : Maximum number of iterations to fit computed spectral data to target one.

- Max. Acceleration : Maximum acceleration of artificial earthquake data

- Damping Ratio : Damping ratio to calculate spectral data

Generate Acceleration : Convert from response spectrum to acceleration data

- Spectrum Graph : Check results based on spectral data

- Acceleration Graph : Check results based on acceleration data