[1] Seoul Natl Univ, Sch Mech & Aerosp Engn, Seoul 151142, South Korea
[2] Seoul Natl Univ, Inst Adv Machinery & Design, Seoul 151142, South Korea
[3] Univ Ulsan, Sch Mech Engn, Ulsan 680749, South Korea
[4] Hanyang Univ, Div Mat & Chem Engn, Gyeonggi Do 426791, South Korea