3. Spectral analysis
3.1 Presentation
The methodology of spectral analysis, commonly used in seismic studies, is similar to that of linear temporal analysis:
extraction of flexible modes ;
superposition of flexible modes ;
consideration of rigid modes (static correction).
However, there is a fundamental difference: the loading data of a spectral analysis, i.e. the spectra, are time-free (§ 3.2.1 ...
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Spectral analysis
Pseudo-static analysis
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