Based on the second-order nonlinear hydroelasticity theory proposed in a previous paper,the frequency characteristics of the principal coordinates of a moored floating body are analyzed.

• 采用前文建立的海洋浮体二阶非线性水弹性理论,本文分析了一个弹性系泊浮体在波浪中的主坐标响应的频率特征。