1. Software Research Engineer I, Bentley Systems Inc., 2744 Loker Ave. West, Suite 103, Carlsbad, CA 92010; formerly, Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of California, Los Angeles, CA 90095.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Los Angeles, CA 90095 (corresponding author).