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首页> 外文期刊>The Transactions of the Royal Institution of Naval Architects,Part A:International journal of maritime engineering >A TECHNIQUE OF PANELS CUTTING FOR MODIFICATION OF HULL GEOMETRY HYDRODYNAMIC MODELS
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A TECHNIQUE OF PANELS CUTTING FOR MODIFICATION OF HULL GEOMETRY HYDRODYNAMIC MODELS

机译：船体几何流体动力学模型的改变板切割技术

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摘要

A panel cutting technique is developed for automatic modification of an initial mesh of a ship hull used for hydrodynamic computations leading to improved meshes for the prediction of wave induced vertical load effects. The technique can provide a model with divided panels in any defined position regardless of the initial discretization of the body. The applications of the provided technique include panel distinction and division in predetermined positions, generation of finer mesh based on the initial coarser model of meshes and improvement of vertical load prediction in predetermined positions. The method is applied for case studies of a barge, shuttle tanker and frigate to depict various applications. Finally, the hydrostatic and hydrodynamic vertical shear forces are calculated for tw o models of initial and modified panels of well-known frigate 5415. The results are compared for the sections alongside the ship and accuracy of load integration is shown for predetermined sections.
机译：开发面板切割技术，用于自动修改用于流体动力计算的船船体的初始网格，从而导致用于预测波引起的垂直载荷效应的改进网格。该技术可以在任何限定位置提供具有划分面板的模型，而不管身体的初始离散化。所提供技术的应用包括基于网格的初始较粗糙模型的纤维网格的面板区分和分割，以及预定位置的垂直载荷预测的改进。该方法适用于驳船，穿梭油轮和护卫舰的案例研究，以描绘各种应用。最后，静液压和流体动力学垂直剪切力计算用于众所周知的护卫舰5415的初始和修改面板的型号。比较结果与船舶的截面和载荷集成的精度显示为预定部分。

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