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How good is modal analysis

Maxim, Cofounder of Pensolve, has produced another earthquake engineering article, this time about seismic modal analysis.

Modal analysis has been a cornerstone of structural earthquake engineering ever since computers could build mass and stiffness matrices. While modal allows us to assess the effects of ground shaking across multiple frequencies, the question is, are we trusting too much in our numerical models, check out the article and share your opinion.

A full comparison between modal analysis and first mode displacement-based design can also be found on Pensolve.