1. PhD, School of Mechanical Engineering, Hanyang University, Seoul, Republic of Korea; KOGAS Research Institute, KOGAS, Ansan, Republic of Korea
2. PhD Student, Department of Mechanical Design Engineering, Hanyang University, Seoul, Republic of Korea; Component Equipment Engineering R&D Group, Samsung Electro-Mechanics Co. Ltd., Suwon, Republic of Korea
3. PhD Student, Department of Mechanical Design Engineering, Hanyang University, Seoul, Republic of Korea; Doosan Fuel cell, Republic of Korea
4. PhD Student, Research Institute of Advanced Manufacturing Technology, Korea Institute of Industrial Technology, Incheon, Republic of Korea; School of Mechanical Engineering, Hanyang University, Seoul, Republic of Korea
5. Professor, Department of Mechanical Engineering, Hanyang University – ERICA Campus, Ansan, Republic of Korea(author for correspondence)