Affiliation: | (1) Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA;(2) Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA;(3) Present address: Cummins Research and Technology, Pune, 411014, India;(4) US Geological Survey, 6520 Mercantile Way, Lancing, MI 48911, USA |