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physics.comp-ph2018
Acoustic scattering from a fluid cylinder with Willis constitutive properties
Michael B. Muhlestein, Benjamin M. Goldsberry, Andrew N. Norris +1
A material that exhibits Willis coupling has constitutive equations that couple the pressure-strain and momentum-velocity relationships. This coupling arises from subwavelength asy…
nlin.PS2018
Non-reciprocal wave phenomena in spring-mass chains with effective stiffness modulation induced by geometric nonlinearity
Samuel P. Wallen, Michael R. Haberman
Acoustic non-reciprocity has been shown to enable a plethora of effects analogous to phenomena seen in quantum physics and electromagnetics, such as immunity from back-scattering a…