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Antonio Palermo

Ricercatore a tempo determinato tipo b) (senior)

Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali

Settore scientifico disciplinare: ICAR/08 SCIENZA DELLE COSTRUZIONI

Temi di ricerca

Parole chiave: propagazione d'onda nei solidi, materiali periodici, metamateriali, modelli ridotti, identificazione dinamica

My research interests lie at the intersection between solid mechanics, applied physics, and civil engineering with the aim of designing novel materials and structures for multi-scale wave propagation control. I developed analytical approaches and numerical tools to investigate the propagation of elastic waves in engineered composite media, namely phononic crystals and resonant metamaterials, and designed experimental tests to validate these numerical findings. In more details, my main research activity comprises:

1 – The design of novel seismic isolation systems based on elastic metamaterial concepts. I developed analytical and numerical models to study the dispersion and attenuation of seismic waves interacting with buried resonant structures. In addition, I designed and performed small-scale experimental tests with distributed resonant systems embedded in homogenous and heterogeneous material. These tests aim at understanding the influence of complex soil stratigraphy on the dynamic behavior of buried resonant structures.

2 – The design of novel planar metamaterial systems for surface acoustic waves control. I developed analytical and numerical models to understand the interaction of planar metamaterial systems, i.e., the metasurfaces, with SAWs and designed metasurfaces for filtering, waveguiding and lensing of SAWs.

3 – The development of ROM techniques for the analysis of linear and dissipative phononic materials and resonant metamaterials.

 

Currently, I am expanding my interest towards the fields of Non Destructive Testing and Structural Health Monitoring, by developing numerical models of bulk and guided waves  for damage detection in structural components and implementing processing techniques for Operational Modal Analysis (OMA).

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