School of Naval Architecture and Ocean Engineering Jiangsu University of Science and Technology Zhenjiang 212003 China;
School of Naval Architecture and Ocean Engineering Jiangsu University of Science and Technology Zhenjiang 212003 China;
Shanghai Rules and Research Institute China Classification Society Shanghai 200135 China;
Shanghai Rules and Research Institute China Classification Society Shanghai 200135 China;
Polar Ship; Operational Risk Assessment; Ice Operation; Limitation Risk Analysis;