Jay Carroll, Sandia National Laboratories, Albuquerque, USA. Shuman Xia, School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, USA. Alison M. Beese, Pennsylvania State University, State College, USA. Ryan B. Berke, Department of Mechanical & Aerospace Engineering, Utah State University, Logan, USA. Garrett J Pataky, Department of Mechanical Engineering, Clemson University, Clemson, USA.