船舶在随浪中航行时，受到波浪影响，会产生间歇性的异常高速现象，即“high runs”，它反映了一种船速相对于波形高速前冲的危险状态，本文采用“波浪中增速骑浪”指代这一现象。基于统一理论，采用耐波性和操纵性耦合的六自由度弱非线性模型进行求解，对其展开数值计算和统计分析。通过探讨，论证标称航速作为波浪中增速骑浪现象发生判定依据下限的合理性和必要性，对不同波浪谱下high runs和横甩2个维度船舶的运动特征进行统计分析，初步得出了波浪谱越窄船舶增速骑浪和横甩的发生概率越大的结论，并初步探讨了high runs作为横甩前兆的统计学意义。
High runs describes a dangerous phenomenon where ship sailing in severe following waves, acted by excessive wave-induced surging forces, accelerates to an abnormally high speed, and finally caught by the waves. Based on the unified theory, a 6DOF weakly nonlinear model considering both maneuvering and seakeeping motion is used for numerical simulation of high runs .The rationality of nominal speed as the down-crossing of riding a wave is demonstrated,the influence of the wave spectrum on the ship's motion is discussed preliminarily according to the statistical analysis of the motions of the ship in two dimensions of high runs and broaching under different wave spectrums,, and from a statistical point of view, it demonstrates the significance of high runs as a precursor to broaching.
2022,44(3): 31-37 收稿日期：2020-12-16
DOI：10.3404/j.issn.1672-7649.2022.03.006
分类号：U661.3
基金项目：“船舶数字化智能设计系统(二期)”项目(GKZY010004)；国家自然科学基金资助项目(51709240)
作者简介：王安琪(1995-)，女，硕士研究生，从事二代稳性骑浪/横甩非线性动力学研究
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