1. A 3D DYNAMIC TRAIN-TRACK INTERACTION MODEL TO STUDY TRACK PERFORMANCE UNDER TRAINS RUNNING AT CRITICAL SPEED Open Access Author: Gao, Yin Title: A 3D DYNAMIC TRAIN-TRACK INTERACTION MODEL TO STUDY TRACK PERFORMANCE UNDER TRAINS RUNNING AT CRITICAL SPEED Graduate Program: Civil Engineering Keywords: High speed railcritical speedtrain-track interaction model File: Download Thesis_Yin_Gao.pdf Committee Members: Shelley Marie Stoffels, Thesis Advisor/Co-Advisor