1. Carnegie Mellon University Department of Civil and Environmental Engineering, , Pittsburgh, PA 15213
2. California Institute of Technology Department of Mechanical and Civil Engineering, , Pasadena, CA 91125
3. National Energy Technology Laboratory , 626 Cochran Mill Road, Pittsburgh, PA 15236
4. Siemens Corporation , 5101 Westinghouse Blvd, Charlotte, NC 28273
5. Siemens Energy Inc, 5101 Westinghouse Blvd, Charlotte, NC 28273
6. DEVCOM Army Research Laboratory , Aberdeen Proving Ground, MD 21005
7. Department of Civil and Environmental Engineering, Center for Nonlinear Analysis; Department of Mathematical Sciences; Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213