1. Department of Naval Architecture and Ocean EngineeringPusan National University Busandaehak‐ro 63beon‐gil Geumjeong‐gu Busan 46241 Korea
2. Department of Mechanical and System EngineeringGyeongsang National University 2, Tongyeonghaean‐ro, Tongyeong‐si Gyeongsangnam‐do 53064 Korea