船舶锚泊操纵运动预报与分析

结合船舶操纵模拟器的开发，建立了船舶锚泊操纵运动数学模型，以预报分析船舶在锚泊操纵全过程中各种动态运动响应.提出了一种较为合理的锚抓底力的数学计算模型，并计入抓底走锚等影响，给出了具体的数值计算方法.整个模型包括：水面船舶采用MMG模型来进行建模，并计入低速时水动力的影响；水下锚链因其运动是一种三维动态运动，采用针对海洋缆索系统的集中质量法来描述其运动；锚自身因其尺度很小，在确定其抓力的基础上将其视为锚链的一个节点，溶入到锚链的运动控制方程中去.最后，应用该模型对一水面船舶进行了锚泊操纵运动计算，并对比分析了不同情况下的锚泊操纵性能，给出了一些规律性的定性结论.

Dynamic Predication and Analysis on Mooring Maneuver of Ship

This paper developed a generalized mathematical model on ship mooring maneuver, and used it to predict and analyze the dynamic response of ship in various mooring situations, in which a separate sub model determining the anchor holding force in different conditions was proposed and then formulated in detail. The entire model consists of three parts: the maneuvering motion of surface ship is described by classic MMG maneuverability model, while the underwater mooring chain by lumped parameter method, and the anchor’s dynamics is incorporated into chain through treating it as a mass point at the end of mooring chain because of its small dimensions. At the end, this model was used to predict and analyze the dynamic response of a typical surface ship. The results reveal some valuable conclusions.