1. Aerospace Engineer, Structures and Materials Division, NASA Glenn Research Center, 21000 Brookpark Rd., Cleveland, OH 44135 (corresponding author).
2. Research Scientist, Center for Collision Safety and Analysis, George Mason Univ., 4400 University Dr., Fairfax, VA 22030.
3. Research Scientist, School of Sustainable Engineering, Arizona State Univ., 1151 S. Forest Ave., Tempe, AZ 85287.
4. Ph.D. Student, School of Sustainable Engineering, Arizona State Univ., 1151 S. Forest Ave., Tempe, AZ 85287.
5. Professor, School of Sustainable Engineering, Arizona State Univ., 1151 S. Forest Ave., Tempe, AZ 85287.
6. Software Engineer, Livermore Software Technology Corporation, 7374 Los Positas Rd., Livermore, CA 94551.