繫泊浮式結構在波浪中的運動及其繫泊系統載荷的計算，是海洋工程結構設計中的ㄧ個重要課題。由於它牽涉到流體動力計算、錨系的靜動力分析等複雜問題，計算難度大。繫泊系統與浮體是一個相互耦合的系統，在動力上也是相互耦合，而繫泊系統的非線性增加解決此耦合問題的難度，從工程角度來看，開發一套實用的繫泊結構的運動響應和系統的動力特性估算來適應初步設計和方案比較是十分必要的。本文係以船舶為其上層浮體，來探討繫纜與船體在波浪中的相互關係。
本文係建構一數值模式，使用四階 Runge-Kutta 方法、及Hooke ＆ Jeeves 射擊法，來解析兩邊界值的問題，並配合船體六自由度運動之耦合關係來計算繫纜對船體之影響力量。最後，再使用座標轉換之數學模式準確算出繫纜之運動軌跡，並探討規則波與不規則波等波浪變化之影響，其中不同波向角0度、90度、180度之波向變化亦可用來討論其運動模式；不規則波中尚有長峰波與短峰波等不同造波規則來逐項計算，最後則藉由船體軌跡圖及六度運動時程圖分析比較受波浪影響後船體運動與繫纜運動之相互影響的情形。

The calculation for the motions and mooring loads of the mooring structure system is an important topic in ocean engineering. Because the study includes the hydrodynamic calculation and mooring system analysis, the corresponding computation is quite complicated. The ship mooring system is a nonlinear coupled problem which has some difficulty to be handled. It is also a practical problem for naval architects and ocean engineers; therefore a practical prediction method for analyzing the interaction between the ship and the mooring cable is needed.
In the present study, a nonlinear hydrodynamic mathematical model is established. The 4th Runge Kutta method and Hooke Jeeves shooting method are applied to solve a two-point boundary value problem. The six degrees of freedom of ship motion and dynamic simulation for the mooring cable are calculated and the detailed analyses have been made. The regular and irregular waves with different wave incidence are considered. Several comparisons have been made for discussion and some useful conclusions are drawn in the paper. It is believed that the results shown here can offer some important information about the interaction effects between the ship and mooring cable for the designers of the related field.

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