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physics.app-ph2023
Conformal Gradient Index Phononic Crystal Lenses: Theory and Application on Non-planar Structures
Hrishikesh Danawe, Serife Tol
The gradient index phononic crystal (GRIN-PC) lens concept has been proven very effective for focusing elastic waves at a desired location. Although well-studied for planar structu…
physics.app-ph2023
Electro-momentum coupling tailored in piezoelectric metamaterials with resonant shunts
Hrishikesh Danawe, Serife Tol
Local microstructural heterogeneities of elastic metamaterials give rise to non-local macroscopic cross-coupling between stress-strain and momentum-velocity, known as Willis coupli…
physics.app-ph2023
Broadband Subwavelength Imaging of Flexural Elastic Waves in Flat Phononic Crystal Lenses
Hrishikesh Danawe, Serife Tol
Subwavelength imaging of elastic/acoustic waves using phononic crystals (PCs) is limited to a narrow frequency range via the two existing mechanisms that utilize either the intense…