数值程序在包括晃荡和船速在内的油轮波浪载荷评估中的应用

V. Korshunov, М. Kuteinikov, R.S. Мudrik, D. A. Ponomarev, А.А. Rodionov
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引用次数: 1

摘要

研究对象和目的。研究考虑了包括晃动和船速的方法,并讨论了它们对估计船体对外部载荷响应的影响。材料和方法。采用三维面板法求解规则波浪中船体周围势流的水动力问题。晃动是通过对同样含有势流体的内罐的直接建模来考虑的。船速考虑了额外流入势。主要的结果。在力学模型中引入和不引入附加因素时的响应幅值算子和弯矩分析。结论。在工作过程中解决了考虑晃动和船速的规则波中船舶运动问题。分析了考虑这些因素对所考虑的机械系统响应的影响。所采用的面板方法显示了对建模附加因素的灵活性,并为进一步研究与波浪中船舶运动相关的非线性效应提供了前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of numerical procedures for assessment of tanker wave loads including sloshing and ship speed
Object and purpose of research. The investigation considers approaches for inclusion of sloshing and ship speed and discusses their influence on estimation of hull responses to external loads. Materials and methods. The 3D panel method is used to solve a hydrodynamic problem of potential flow around ship hull in regular waves. The sloshing is included by direct modeling of inner tanks also containing potential fluid. The ship speed is taken into account by additional potential of inflow. Main results. Analysis of response amplitude operators (RAO) and bending moments with and without additional factors introduced in the mechanical model. Conclusion. The problem of ship motions in regular waves taking into account sloshing and ship speed was solved in the work process. The influence on responses of the considered mechanical system for taking these factors into considerations is analysed. The applied panel method shows flexibility regarding additional factors of modeling and offers a prospect for further investigation of non-linear effects associated with ship motions in waves.
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