Splash effects in propagation of elastic waves in heterogeneous structures

Abstract

EN: Problem statement. In contemporary Civil Engineering, heterogeneous structures and materials are prevalently employed. Illustrative instances encompass multi-span beams, perforated membranes and plates, stringer plates and shells, alongside a diverse array of composite materials. The phenomenon of splash effects in the transmission of elastic waves within heterogeneous structures gives rise to notable dynamic manifestations. These include phononic band gaps, negative refraction, dynamic anisotropy, waves focusing, acoustically invisible cloaks, waves localization in structures with defects, and splash effects. A comprehensive overview of advancements in this domain can be found in the work by Hussein et al.