基于多核处理器的平面二维水沙运动数值模拟技术研究

【英文篇名】

Simulation of sediment laden flow by depth averaged mathematical model based on muti-core processor

【作者】

罗秋实; 刘士和; 刘继祥; 万占伟;

【英文作者】

LUO Qiu-shi; LIU Shi-he; LIU Ji-xiang; WAN Zhan-wei1.Postdoctoral Research Institute of Yellow River Engineering Consulting Co.Ltd; Zhengzhou; Henan; China 450003; 2.School of Water Resource and Hydropower; Wuhan University; Wuhan; China 430072; China; 3.Yellow River Engineering Consulting Co.Ltd; ;

【作者单位】

黄河勘测规划设计有限公司博士后科研工作站; 武汉大学水利水电学院; 黄河勘测规划设计有限公司;

【刊名】

水动力学研究与进展A , Chinese Journal of Hydrodynamics, 2011 01  
期刊荣誉:中文核心期刊要目总览  ASPT来源刊  中国期刊方阵  CJFD收录刊

【关键词】

多核处理器; 非结构网格; 数值模拟;

【英文关键词】

muti-core processor; unstructured grid; numerical simulation;

【摘要】

该文研究了基于多核处理器的平面二维水沙运动数值模拟技术,采用OpenMP并行编程标准对基于单核处理器的计算程序进行了优化,开发了基于多核处理器的计算程序。长江塔市驿河段的验证成果表明:在双核处理器上多核程序的计算速度同单核程序相比提高约47%,虽然程序并行造成离散方程组的收敛过程与单核程序略有差别,但迭代收敛后其计算结果无明显差别,且与实测成果吻合较好。

【英文摘要】

In this article,simulation of sediment laden flow by depth averaged mathematical model based on multi-core processor was studied and the calculation program was optimized at the same time with Open-MP.The observed hydrological data of the Tashiyi Reach in the Yangtze River were used for verification of the presented method.The simulation results of the optimized program show that the calculated hydraulic characteristics and river bed deformation are in good agreement with the observed ones and there s no ob...

来源:水利水电博士后网    发布日期:2014-5-20