1. Respectively, Associate Scientist, Universities Space Research Association, GHCCINSSTC, 320 Sparkman Dr., Huntsville, Alabama 35805; Graduate Research Assistant, Department of Civil and Environmental Engineering, University of Wisconsin‐Madison, 1415 Engineering Dr., Madison, Wisconsin 53706–1691; and Professor and Graduate Research Assistants, Department of Civil and Environmental Engineering, University of Alabama‐Huntsville, Huntsville, Alabama 35899 (E‐Mail/Limaye: ).