1. Ph.D. Candidate, Dept. of Mechanical Engineering-Engineering Mechanics, Michigan Technological Univ., 1400 Townsend Dr., Houghton, MI 49931.
2. Associate Professor, Dept. of Mechanical Engineering-Engineering Mechanics, Michigan Technological Univ., 1400 Townsend Dr., Houghton, MI 49931 (corresponding author).
3. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Michigan Technological Univ., 1400 Townsend Dr., Houghton, MI 49931.
4. Assistant Professor, Dept. of Civil and Environmental Engineering, Michigan Technological Univ., 1400 Townsend Dr., Houghton, MI 49931.