14 citations · 18 across the 5 of their papers we have counts for
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Underwater Focussing of Sound by Umklapp Diffraction
Gregory J. Chaplain, Richard V. Craster, Nick Cole +2
Scholte modes that are localized between a submerged axisymmetric-structured elastic plate and surrounding fluid can undergo mode conversion via Umklapp diffraction into radiative…
Surface corrugated laminates as elastic grating couplers: splitting of SV- and P-waves by selective diffraction
Gregory J. Chaplain, Richard V. Craster
The phenomenon of selective diffraction is extended to in-plane elastic waves and we design surface corrugated periodic laminates that incorporate crystal momentum transfer which,…
Topological rainbow trapping for elastic energy harvesting in graded SSH systems
Gregory J. Chaplain, Jacopo M. De Ponti, Giulia Aguzzi +2
We amalgamate two fundamental designs from distinct areas of wave control in physics, and place them in the setting of elasticity. Graded elastic metasurfaces, so-called metawedges…
Rainbow reflection and trapping for energy harvesting
Gregory J. Chaplain, Daniel Pajer, Jacopo M. De Ponti +1
Important distinctions are made between two related wave control mechanisms that act to spatially separate frequency components; these so-called rainbow mechanisms either slow or r…
Tailored elastic surface to body wave Umklapp conversion
Gregory J. Chaplain, Jacopo M. De Ponti, Andrea Colombi +7
Elastic waves guided along surfaces dominate applications in geophysics, ultrasonic inspection, mechanical vibration, and surface acoustic wave devices; precise manipulation of sur…