Nonlinear Elasticity in Consolidated and Unconsolidated Granular Materials: Characterization of Slow Dynamics with Dynamic Acousto-Elastic Testing

Parisa Shokouhi1, Jacques Riviere2, Robert A Guyer3 and Paul A Johnson3, (1)Pennsylvania State University Main Campus, Engineering Science and Mechanics, University Park, PA, United States, (2)Pennsylvania State University, University Park, United States, (3)Los Alamos National Laboratory, Earth and Environmental Sciences, Los Alamos, NM, United States