This paper describes the automated nonlinear model updating procedure for ma-sonry structures implemented in the NOSA-ITACA code. The algorithm, aimed at matchingnumerical and experimental natural frequencies and mode shapes, combines nonlinear staticanalysis, linear perturbation and modal analysis and allows fine-tuning the free parametersof the model. The numerical method is applied to two simple case studies, which prove itseffectiveness.
Nonlinear FE model updating for masonry constructions via linear perturbation and modal analysis
Girardi M.;Padovani C.;Pellegrini D.;Robol L.
2019
Abstract
This paper describes the automated nonlinear model updating procedure for ma-sonry structures implemented in the NOSA-ITACA code. The algorithm, aimed at matchingnumerical and experimental natural frequencies and mode shapes, combines nonlinear staticanalysis, linear perturbation and modal analysis and allows fine-tuning the free parametersof the model. The numerical method is applied to two simple case studies, which prove itseffectiveness.File in questo prodotto:
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Descrizione: NONLINEAR FE MODEL UPDATING FOR MASONRYCONSTRUCTIONS VIA LINEAR PERTURBATION AND MODALANALYSIS
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