通过不同载荷分析船舶运动方程的不同情况，包含较多的水动力导数，同时考虑了波浪谱密度函数的影响，采用了最新的od45方程求解6自由度船舶运动方程(The ship motion equation is analyzed under different loads, including more hydrodynamic derivatives, and considering the influence of wave spectral density function, the latest o