1. Mechanics of Materials and Design Laboratory, Department of Materials Engineering, Gangneung-Wonju National University, Gangneung, Gangwon-do 25457, South Korea e-mail:
2. Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, Nowon-gu, Seoul 01811, South Korea e-mail:
3. Poongsan Inc., Angang, Gyeongbuk 38026, South Korea e-mail:
4. Defense Industry Technology Center, Yongsan-gu, Seoul 04353, South Korea;
5. Defense Acquisition Program, Kwangwoon University, Nowon-gu, Seoul 01897, South Korea e-mail:
6. Defense Industry Technology Center, Yongsan-gu, Seoul 04353, South Korea e-mail: