1. Department of Mechanical EngineeringUniversity of Texas at DallasRichardson TX 75080USA
2. Thayer School of EngineeringDartmouth College, 14 Engineering Dr.HanoverNH 03755USA
3. Department of Mechanical and Materials EngineeringFlorida International UniversityMiami FL 33174USA
4. Army Research LaboratoryAberdeen Proving GroundMD 21005USA