PSI - Issue 78

Pasquale Guarino et al. / Procedia Structural Integrity 78 (2026) 1561–1568

1568

walls—leading to significantly reduced errors in natural frequencies (maximum 0.4%) and precise identification of the original material properties, with deviations of merely 0.1% for elastic modulus and 0.5% for material density. This approach not only enhances the accuracy of structural models for existing monumental heritage but also improves decision-making processes for structural health monitoring, paving the way for more robust Digital Twin applica tions directly driven by BIM environments. Further investigations will focus on the calibration of historical buildings properties through the use of experimental data from ambient vibration tests.

Acknowledgements

This work has been funded by the European Union – Next Generation EU. However, the views and opinions expressed are those of the authors alone and do not necessarily reflect those of the European Union or the European Commission. Neither the European Union nor the European Commission can be held responsible for them. Dr. Meoni acknowledges the support of the European Union - NextGenerationEU and the University of Perugia for supporting his research activity through the project Vitality framed within the Italian Ministry of University and Research (MUR) National Innovation Ecosystem grant ECS00000041 - VITALITY.

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