1. Department of Mechanical and Aerospace Engineering University of California Irvine CA 92697 USA
2. Institute for Applied Materials Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 Eggenstein‐Leopoldshafen 76344 Germany
3. Engineering Department Trumpington Street Cambridge CB2 1PZ UK
4. HRL Laboratories Limited Liability Company Malibu CA 90265 USA
5. Department of Mechanical Engineering Virginia Tech 635 Prices Fork Road Blacksburg VA 24061 USA