【作者】 刘李为； 张志国； 王清； 张忠彪； 冯大奎；

【Author】 LIU Li-wei;ZHANG Zhi-guo;WANG Shuang;ZHANG zhong-biao;FENG Da-kuai;School of Naval Architecture and Ocean Engineering,Huazhong University of Science and Technology;

【机构】 华中科技大学船舶与海洋工程学院；

【摘要】 根据船舶快速性数值预报的特点,基于自主研发的HUST-Ship粘性流CFD求解器,以结构化动态重叠网格技术为支撑,提出了一种通用的船舶快速性数值试验水池参数化建模方法和网格生成技术。船舶快速性数值试验水池参数化建模方法以试验船舶主尺度为参数,根据试验工况要求形成相应的阻力与自由直航数值试验水池。基于重叠网格技术形成数值试验模型,开展快速性预报。船舶数值试验水池的数值仿真结果与模型试验结果的对比表明,基于参数化建模得到的数值试验水池对船舶快速性性能的预报结果与模型试验吻合。基于参数化建模方法生成的船舶数值试验水池不仅能够有效地提高建模和网格生成的效率和质量,且预报结果能够满足船舶快速性数值预报的精度要求。更多还原

【Abstract】 A useful parametric modelling method for numerical tank of ship resistance and propulsion performance has been developed based on an in-house CFD code HUST-Ship and structured dynamic overset grid technology.When using this method,numerical tank could be generated by defining ship’s main parameters and model test condition including resistance test and self-propulsion test.Numerical model includes ship could be obtained by combining the numerical tank and ship grid using overset grid technology.The results from numerical simulations have been compared with experimental data in order to validate the parametric modelling method and the numerical results agreed well with experimental data.It demonstrated that the efficiency of grid generation could be improved when using parametric modelling method and the accuracy could also be guaranteed.更多还原