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cond-mat.mtrl-sci2016
Negative Refraction, Beam Steering, Mode Switching, and High-pass Filtering in a 1-D Periodic Laminate
Ankit Srivastava
In this paper we show that a 1-D phononic crystal (laminate) can exhibit metamaterial wave phenomenon which is traditionally associated with 2-, and 3-D crystals. Moreover, due to…
cond-mat.mtrl-sci2016
Variational Methods For Phononic Calculations
Yan Lu, Ankit Srivastava
Three fundamental variational principles used for solving elastodynamic eigenvalue problems are studied within the context of elastic wave propagation in periodic composites (phono…