1. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of Cincinnati, Cincinnati, OH 45221-0071.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Cincinnati, Cincinnati, OH 45221-0071.
3. Associate Professor, Dept. of Mechanical, Industrial, and Nuclear Engineering, Univ. of Cincinnati College of Engineering, Mail Location 0018, Cincinnati, OH 45221-0071.
4. Postdoctoral fellow, Dept. of Mechanical, Industrial, and Nuclear Engineering, Univ. of Cincinnati, Cincinnati, OH 45221-0071.