Nonlinear Acoustics of Rock

Friday, March 30, 2012 4:00 p.m. ETC 4.150 Professor Lev A. Ostrovsky National Oceanic and Atmospheric Administration (NOAA) Earth System Research Laboratory Boulder, Colorado esrl.noaa.gov and Department of Applied Mathematics University of Colorado Boulder, Colorado amath.colorado.edu/cmsms Numerous experiments show that Earth materials, such as rock and soils, can have anomalously strong vibroacoustic nonlinearity which is…