面向无网格法的质点生成算法  

Particle generation algorithm for meshless method

作　　者：周词扬 郑澎[1,2] 马智博[3] 刘敏娟 ZHOU Ciyang;ZHENG Peng;MA Zhibo;LIU Minjuan(a. Computer Application Institute, Mianyang 621900, Sichuan, China;b. Software Center for High Performance Numerical Simulation, Beijing 100088, China, China Academy of Engineering Physic;2. Beijing Institute of Applied Physics and Computational Mathematics, Beijing 100094, Chin)

机构地区：[1]中国工程物理研究院计算机应用研究所,四川绵阳621900 [2]中国工程物理研究院高性能数值模拟软件中心,北京100088 [3]北京应用物理与计算数学研究所,北京100094

出　　处：《计算机辅助工程》2018年第2期6-11,共6页Computer Aided Engineering

基　　金：国防基础科研计划(C1520110002);中国工程物理研究院双百基金(HT1609-01-KY124-019)

摘　　要：介绍一种面向无网格数值模拟方法的质点生成算法。将四面体、三角形网格生成算法分别用于空间平面、曲面和实体模型,将网格单元的属性赋予单元内某一点作为质点,并生成对应质点集。为研究不同网格生成算法和质点生成算法对质点集的影响,提出一种质量评价标准,开展对不同算法组合的质量分析,得到网格生成算法和质点生成算法中的最佳组合。A particle generation method is introduced for meshless numerical simulation method.Etrahedron and triangle mesh generation algorithm is used for plane,surface and entity model; the properties of the mesh unit are given to a point inside the unit as particle and the corresponding particle sets are generated. In order to study the influence of different mesh generation and particle generation algorithms on particle sets,a quality evaluation standard is proposed. The quality analysis of different algorithm combinations is carried out,and the optimal combination of mesh generation algorithm and particle generation algorithm is obtained.

关 键 词：无网格法 质点生成 质点集 网格生成 评价标准 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]