1. Penetration power of ultrasonic guided waves for piping and well casing integrity analysis Open Access Author: Parayitham, Sashidhar K Title: Penetration power of ultrasonic guided waves for piping and well casing integrity analysis Graduate Program: Engineering Mechanics Keywords: well casingpipesguided wavesexcitation methods File: Download Sashi_Thesis_Merged_Revised.pdf Committee Members: Clifford Jesse Lissenden Iii, Thesis Advisor/Co-Advisor