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首页> 外文期刊>Marine Structures >Modeling dynamic cable-sheave contact and detachment during towing operations
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Modeling dynamic cable-sheave contact and detachment during towing operations

机译：在牵引操作期间建模动态电缆滑轮接触和脱离

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摘要

Cable-sheave systems are commonly used on marine vessels for lifting and towing applications. As a result of the motion of the vessel, the cable can detach from the surface of the sheave. This paper presents a finite element model of a towed cable system based on the Absolute Nodal Coordinate Formulation. The model includes the interaction of the cable with the sheave surface in order to examine variations in the contact forces. Furthermore, a three-dimensional description of the sheave geometry is implemented in order to accurately model the contact forces as the vessel undergoes six degree-of-freedom motion. To assess the performance of the model, the simulated cable behavior is compared to small scale experimental measurements. Finally, a case study which demonstrates the simulated cable detachment behavior for a full scale system is discussed.
机译：电缆滑轮系统通常用于船用船舶，用于提升和牵引应用。 作为血管的运动，电缆可以从滑轮的表面脱离。 本文介绍了基于绝对节点坐标配方的牵引电缆系统的有限元模型。 该模型包括电缆与滑轮表面的相互作用，以检查接触力的变化。 此外，实现了滑轮几何形状的三维描述，以便准确地模拟接触力，因为容器经历六个自由度运动。 为了评估模型的性能，将模拟电缆行为与小规模实验测量进行比较。 最后，讨论了展示用于全规模系统的模拟电缆分离行为的案例研究。

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