IMP推进器多种网格技术融合生成方法  

Multi-Grid Technology Fusion Generation Method of Integrated Motor Pump-Jet Propulsor

作　　者：李俏 LI Qiao(College of Intelligent Manufacturing,Guangdong Technology College,Zhaoqing 526100,Guangdong,China)

机构地区：[1]广东理工学院智能制造学院,广东肇庆526100

出　　处：《船舶工程》2022年第5期90-95,101,共7页Ship Engineering

基　　金：广东省普通高校青年创新人才类项目(自然科学类)(2020KQNCX112);广东理工学院创新强校工程项目(2019GKJZK004)。

摘　　要：为提高集成电机泵喷推进器(IMP)水力性能的研究精度与求解效率,提出一种基于交界面网格生成技术、微分法空间贴体网格生成技术以及分块耦合技术的多种网格技术融合IMP推进器网格划分方法。首先,采用椭圆型微分方程法进行了重要子块三维贴体网格的自动生成;其次,根据模型几何特征及流场特性对绕流流场进行了区域分解并构造其块边界,在此基础上采用数值方法进行相应的分块网格生成以及耦合;最后进行数值模拟,计算验证网格的正确性。结果表明,采用该方法得到的结果与试验结果吻合良好,说明网格质量是可信的。In order to improve the accuracy and solution efficiency of the research on the hydraulic performance of Integrated motor pump-jet propulsor(IMP),a multi-grid technology of IMP propulsor is proposed,which includes interface network based on the grid generation,a differential space body-fitted grid generation technology and a block coupling technology.First,the elliptic differential equation method is used to automatically generate the three-dimensional body-fitted grid of important sub-blocks.Secondly,the circumfluence flow field is domain-decomposed and the block boundary is constructed according to the geometric characteristics and flow field characteristics of the model.Then,the corresponding block grid is generated and coupled,which is based on the numerical method.Finally,the numerical simulation calculation is performed to verify the correctness of the grid.The result shows that it is in good agreement with the experimental result,indicating that the mesh quality is credible.

关 键 词：集成电机泵喷推进器 贴体网格技术 网格融合 数值方法 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]