Shelby F Thames1, Joshua B White2, Kevin L Ong3. 1. The University of Southern Mississippi, Hattiesburg, MS, USA. 2. Exponent, Inc., 3440 Market St, Suite 600, Philadelphia, PA, 19104, USA. 3. Exponent, Inc., 3440 Market St, Suite 600, Philadelphia, PA, 19104, USA. kong@exponent.com.