Mathematical approach for fleet planning under complicated circumstances

In order to facilitate the scientific management of large-sized shipping companies, fleet planning under complicated circumstances has been studied. Based on multiple influencing factors such as the techno-economic status of ships, the investment capacity of company, the possible purchase of new ships, the buying/selling of second-hand vessels and the chartering/renting of ships, a mixed-integer programming model for fleet planning has been established. A large-sized shipping company is utilized to make an empirical study, and Benders decom- position algorithm is employed to test the applicability of the proposed model. The result shows that the model is capable for multi-route, multi-ship and large-scaled fleet planning and thus helpful to support the decision making of large-sized shipping companies.     

专业课课程设计的开放式课题设计与实践

高年级本科生专业课的课程设计选题和内容安排既涉及投入的资源多少也涉及教学效果的好坏。为了提高学生学习的主动性和创造性,改善实践教学效果,针对“航运管理”课程的实践环节开发实验了一种只给出少量的已知条件,让学生根据对行业发展现状的调查结果补充其他必要条件和计算参数的开放式课题课程设计模式,系统介绍该开放式课程设计的设计思想、设计难点、求解思路及教学效果等。