1. Geo-Intelligence Laboratory, Ingram School of Engineering, Texas State University 1 , San Marcos, Texas 78666, USA
2. Institute of Advanced Aerospace Technology, Seoul National University 2 , Seoul 08826, South Korea
3. J. Mike Walker '66 Mechanical Engineering Department, Texas A&M University 3 , College Station, Texas 77840, USA
4. School of Engineering and Materials Science, Queen Mary University of London 4 , London E1 4NS, United Kingdom