1. Institute of Particle Technology, Clausthal University of Technology, 38640 Clausthal-Zellerfeld, Germany
2. Institute of Applied Mechanics, Clausthal University of Technology, 38640 Clausthal-Zellerfeld, Germany
3. Department of Mechanical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
4. RxFF Consulting LLC, 1524 West College Avenue, Suite 202, State College, Pennsylvania 16801, United States