1. Chair of Structural Analysis and Dynamics, RWTH Aachen University, Aachen, Germany
2. Department of Naval Architecture and Ocean Engineering, Seoul National University, Seoul, Republic of Korea
3. Department of Smart Industrial Machine Technology, Mechanical System Safety Research Division, Korea Institute of Machinery & Materials, Daejeon, Republic of Korea
4. Department of Mechanical Engineering, Kunsan National University, Gunsan, Korea
5. Alternative Fuels and Power System Research Division, KRISO, Daejeon, Korea