1. A Study on Granular Media: Packing, Intruding, and Shocking Open Access Author: Costantino, Daniel Jeffrey Title: A Study on Granular Media: Packing, Intruding, and Shocking Graduate Program: Physics Keywords: granular mediaintruderspacking fractionmechanical impactsinitiation motion File: Download Costantino_Daniel_Final_Thesis.pdf Committee Members: Peter E Schiffer, Dissertation Advisor/Co-AdvisorPeter E Schiffer, Committee Chair/Co-ChairMoses Hung Wai Chan, Committee MemberDezhe Jin, Committee MemberChris J Marone, Committee Member