重庆大学学报2024，Vol.47Issue(6)：75-85,11.DOI:10.11835/j.issn.1000-582X.2023.259
红黑着色的相场两相流并行投影算法
A novel red-black coloring parallel projection algorithm for two-phase flow using the phase field method
摘要
Abstract
In this study,an innovative parallel finite volume projection algorithm with a novel red-black coloring approach is proposed to solve the two-phase flow control equations using the phase field method. This strategy relies on the explicit advancement of the pressure Poisson equation,thus effectively overcoming the efficiency limitation inherent in the traditional projection algorithms for solving the incompressible Navier-Stokes equations. Moreover,we implement an interleaved scanning strategy for updating nodal variables,which significantly enhances the spatiotemporal coupling in a compact manner. The integration of this technique with the phase field method facilitates more accurate capture of interface dynamics and topology at a lower cost. Test results show that,utilizing a grid size of 131072 and an 8-thread CPU parallelization,the proposed parallel algorithm is more than 80 times more efficient than the serial standard projection algorithm.关键词
两相流/相场法/有限体积法/投影算法/并行计算Key words
two-phase flows/phase field/finite volume method/projection algorithm/parallel computing分类
交通工程引用本文复制引用
王小双,张良奇,肖姚,曾忠..红黑着色的相场两相流并行投影算法[J].重庆大学学报,2024,47(6):75-85,11.基金项目
国家自然科学基金资助项目(12102071,12172070) （12102071,12172070）
中央高校基本科研业务费资助项目(2021CDJQY-055).Supported by National Natural Science Foundation of China(12102071,12172070),and the Fundamental Research Funds for the Central Universities(2021CDJQY-055). （2021CDJQY-055）
