This work focuses on the free and forced vibrations of sandwich beams plates hosting an arbitrary number damping cores. A fractional derivatives Zener-type model is adopted for representing frequency-dependent viscoelastic behaviour, along with conventional series developments. The structural models are formulated within established variable kinematics approach, which enables to investigate rol...

In this paper, we propose a novel design and fabrication strategy to produce architected core structures for use as the in composite sandwich structures. A traditional foam or honeycomb structure is lightweight stiff, but susceptible permanent deformation when subjected excessive loading. Here of an composed arrays hollow truncated cone unit cells that dissipate energy exhibit structural recove...

In the present work we present a systematic experimental investigation of the generation and subsequent evolution of dynamic failure modes in sandwich structures subjected to low-speed impact. Model sandwich specimens involving a compliant polymer core sandwiched between two metal layers were designed and subjected to impact loading to simulate failure evolution mechanisms in real sandwich stru...