1. Department of Mechanical Engineering‐Engineering Mechanics Michigan Technological University 1400 Townsend Dr. Houghton MI 49933‐1295 USA
2. Chemical Science and Engineering Division Argonne National Laboratory 9700 S. Cass Avenue Argonne IL 60439 USA
3. Department of Mechanical and Industrial Engineering University of Illinois at Chicago 842 W. Taylor Street Chicago IL 60607‐7059 USA