1. GUIDED WAVE FOCUSING POTENTIAL IN HOLLOW CYLINDERS Open Access Author: Zhang, Li Title: GUIDED WAVE FOCUSING POTENTIAL IN HOLLOW CYLINDERS Graduate Program: Engineering Mechanics Keywords: pipe inspectonGuided wavephased arrayfocusing File: Download Thesis.pdf Committee Members: Joseph Lawrence Rose, Committee Chair/Co-ChairBernhard R Tittmann, Committee MemberClifford Jesse Lissenden Iii, Committee MemberNicholas John Salamon, Committee MemberEdward C Smith, Committee Member