中文摘要：

高架走锚消能式船舶拦阻系统是一种通过大距离走锚消耗船舶动能的桥梁柔性防撞设施,由于其对船舶的损伤小且工程造价较低,因而具有良好的发展前景。为了分析船舶横撞拦阻系统后的抗倾覆性能,本文依据船舶稳性的相关理论建立了系统在波浪、水流和拦阻索共同作用下的力学模型。通过数值模拟求出船舶在不同周期和方向波浪作用下的横摇角。通过算例分析得到了不同荷载条件下,拦阻索作用点最大允许高度、最大允许水流速度及波浪波幅间的关系曲线。结果表明：垂直于船舶纵向的波浪对其横摇影响最大;流速和拦阻索作用高度的最大允许值均随着波幅的增加而非线性地减小。

英文摘要：

As a new type of flexible restraining device,the overhead retardation system,in which kinetic energy ofa ship is dissipated by the ship-independent anchors,has broad prospects for development,because it causes lessdamage to a ship and costs less in construction. To investigate the performances of ships transversely colliding with the prevention system, first,a mechanical model considering the wave and the current together with a restrainingcable was established. Then, the roll angles under the waves with various directions and frequencies were deter-mined through numerical analysis. Finally,the examples were calculated,which obtained the relationships among the permissible maximum action height of the prevention cable,the permissible maximum water velocity,and the wave amplitude on different load conditions. It is shown that the waves perpendicular to the ship, slongitudinal di-rection have the greatest influence on the ship roll. Furthermore,the permissible maximum velocity and height de-cline nonlinearly with the increase of wave amplitude.