1. Departments of Materials Science and Engineering, Beckman Institute, and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, 1304 West Green Street, Urbana, IL 61801, USA.
2. Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, 1206 West Green Street, Urbana, IL 61801, USA.
3. Semprius, Durham, NC 27713, USA.
4. Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA.
5. Institute of High Performance Computing, 1 Fusionopolis Way, 16-16 Connexis, Singapore 138632.
6. Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA.
7. Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China.
8. Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, 1206 West Green Street, Urbana, IL 61801, USA.