1) parametric excited roll motion
参激横摇
1.
This paper analyses the data from the model tests of parametric excited roll motion of ships.
对参激横摇船模试验的数据进行了分析 ,结果表明 :船舶在不同吃水时 ,或具有不同船型的船舶都有可能出现参数共振现象 ;参数共振横摇的摇幅可能比主共振横摇摇幅更大 ,但其频率范围较窄 ;参激横摇幅频响应曲线具有某些非线性特征 ,如曲线的倾斜和跳跃现象 ,这与理论分析是一致的 。
2) parametric rolling
参数横摇
1.
Analysis of ship parametric rolling in head sea;
迎浪船舶的参数横摇分析
2.
A numerical simulation method based on ITTC recommendation was used to investigate the occurrence and magnitude of parametric rolling in longitudinal regular waves.
基于ITTC推荐的参数横摇运动方程,采用估算方法确定方程中的阻尼系数和复原力矩系数,数值模拟出船舶在规则波中的参数横摇情况,将上述方法具体应用于一艘滚装船船模的参数横摇预报,并与试验数据进行对比,验证了所采用方法的有效性。
3.
Parametric rolling is a kind of the resonance phenomena of ship motions, caused by the periodical fluctuations of stability parameters of ships in waves.
参数横摇是指船舶在波浪中由于自身系统中稳性参数的周期性变化所引起的船体梁横摇共振运动现象。
3) parametrically excited pitch motion
参激纵摇运动
1.
The differential equation of parametrically excited pitch motion of s Spar platform is established with considering the effect of time-varying GM value, and then it is simplified to a cubic nonlinear Mathieu equation.
研究结果表明,当垂荡运动幅值超过某一临界值时导致平台运动失稳引起大幅纵摇运动,稳性高度GM值对于平台参激纵摇运动具有重要影响,通过调整稳性高度可以拟制平台参数激励纵摇运动发生。
4) rolling
[英]['rəʊlɪŋ] [美]['rolɪŋ]
横摇
1.
Test Platform of Anti-rolling Tank and Experimentation Research on Motion of Rolling and Swaying;
减摇水舱试验台架及横摇和横荡运动实验研究
2.
Simulation and characteristics analysis of the coupling motion of maneuvering and rolling for a ship in regular waves
规则波浪中舰船操纵与横摇耦合运动模拟及特性分析
3.
High-efficient flap type rudders with 45°dip angle are installed in order to control the course, rolling and pitching simultaneously.
采用45°倾斜安装的高效襟翼舵实现航向、横摇、纵摇的同时控制,阐述了斜舵减摇原理,并提出了采用高效襟翼舵以获得较高的升力系数,从而在不加大舵面积的情况下实现船舶纵摇运动控制。
5) roll
[英][rəʊl] [美][rol]
横摇
1.
A study of the roll motion model of a flooded ship in waves;
具有淹水舱的舰船横摇运动建模探讨
2.
Study of roll performance and reduction of boxshaped ship with extrashallow draft;
超浅吃水箱形工程船横摇及减摇研究
3.
Research on ship course/roll robust control
船舶航向/横摇鲁棒控制研究
6) roll and pitch
横摇和纵摇
补充资料：参横
1.参星横斜。指夜深。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条