风作用下单锚泊船的偏荡运动与锚泊安全研究
首发时间:2010-06-21
摘要:本文利用分离型建模思想,对单锚泊船在风作用下产生的偏荡运动进行了研究,建立了锚泊船运动的数学模型;利用Matlab软件对单锚泊船的偏荡运动进行仿真,得出船在风中偏荡运动的形态,并分析出船舶在不同链长、装载状况、不同风速下偏荡幅度和锚链最大张力的变化趋势;同时也对单锚泊的极限风速进行了估算分析,结果表明风力较强时单锚泊已不足以保证锚泊船安全,为实际的锚泊操纵提供参考。
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Single Point Mooring Ship in Wind and the Anchoring Safety
Abstract:In this aricle, we studied on the slewing motion of a single anchoring ship in wind force by separation modeling(MMG model) and established the mathematical model of a single anchoring ship\\\\\\\'s slewing movement; the slewing movement of the single anchoring ship was simulated by using Matlab simulation program, the ship\\\\\\\'s slewing motion and trend were put forward; we analyzed the trend of transverse range and maximum chain force under different chain length, load and wind speed;meanwhile, we also analyzed the limited wind speed at single anchoring, The results showed that the single anchoring couldn\\\\\\\'t ensure the safety of the ship in strong wind, which can provide references for anchoring operation.
Keywords: single anchoring MMG slewing length of let-go chain
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