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- Title
波浪作用下泥驳稳定性的二维数值模拟研究.
- Authors
张勇; 伍立说; 郭涛; 武永顶; 时树伟; 钱磊
- Abstract
A two-dimensional numerical model for the rolling process of mud barge under periodic waves was established by using two-phase flow model and overset mesh technique. The influence of liquid-solid interactions during slurry sloshing, barge rolling and waves on the stability of the vessel was investigated. The impact of slurries with different loading levels on the rolling suppression ability of the barge was analyzed. It is found that under the same periodic wave, the mud barge roll angle of 8% at empty load is reduced to 4% after full load of slurry, and the amplitude of vertical bump is also reduced by 40%. The analysis shows that the slurry sloshing in the mud bin often has the opposite trend of movement with the waves, making the effect of suppressing the wave-shaking, but sometimes it also causes the reverse shaking of the mud barge. Ignoring the change of the inertia of the whole ship, the mud bar rolling suppressing performance is not always positively related to the mud load. For a specific wave, loading a proper amount of slurry or even clear water in the mud chamber can make the barge or similar hopper dredger have the best navigation stability.
- Subjects
TWO-phase flow; TWO-dimensional models; MUD; BARGES; DREDGES; SLURRY; ROLLING friction; CONTAINER ships
- Publication
China Harbour Engineering, 2019, Vol 39, Issue 12, p1
- ISSN
2095-7874
- Publication type
Article
- DOI
10.7640/zggwjs201912001