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Journal: Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. December 2022, 89(12): 121003.
Paper No: JAM-22-1225
Published Online: October 6, 2022
...Yanghao Fang; Tsampikos Kottos; Ramathasan Thevamaran We study the elastodynamics of a periodic metastructure incorporating a defect pair that enforces a parity-time (PT) symmetry due to judiciously engineered imaginary impedance elements—one having energy amplification (gain) and the other having...
Topics: Density, Eigenvalues, Elastodynamics, Expandable polystyrene, Finite element analysis, Parity (Physics), Spectra (Spectroscopy), Dynamics (Mechanics), Displacement, Computational mechanics
Includes: Supplementary data