基于到港船型的多样性和随机性,建立不同船型组合下的沿海散货港区船舶航行作业系统仿真模型,定义到港船舶吨级的加权平均值为船型组合的特征吨级,研究船型组合对港口航道通过能力的影响。仿真结果表明,船型组合对沿海散货港区航道通过能力有显著影响;航道通过能力与船型组合的特征吨级之间呈指数函数关系;并且通航历时越大,航道通过能力对船型组合越敏感。
Based on the diversity and randomness of arriving vessels,a navigation operation system simulation model of coastal bulk cargo port area is established to analyze the impact of vessel combination pattern on waterway capacity.The simulation result shows that vessel combination pattern has significant effect on waterway capacity.The weighted mean of arriving vessels DWT is defined as characteristic DWT in this paper.There is an exponential relationship between waterway capacity and characteristic DWT;and the longer the navigation duration,the higher the sensitivity of waterway capacity to vessel combination pattern.