分布式存储环境下的加性Schwarz方法  

OVERLAPPING ADDITIVE SCHWARZ METHODS FOR DISTRIBUTED MEMORY MACHINES

作　　者：李宏伟 

机构地区：[1]中科院软件所并行软件研究开发中心

出　　处：《数值计算与计算机应用》2004年第1期36-47,共12页Journal on Numerical Methods and Computer Applications

摘　　要：From the viewpoint of distributed memory and parallel computing, the overlapping additive methods, such as AS (classical additive Shcwarz), RAS (restricted additive Schwarz) and PAS (parallel additive Schwarz) were inspected again. And a new kind of additive method, called “Distributed Additive Schwarz Method”(DAS), was proposed and analyzed. Numerical experiments showed that DAS was more efficient than other additive methods in terms of iteration number and iteration time.From the viewpoint of distributed memory and parallel computing, the overlapping additive methods, such as AS (classical additive Shcwarz), RAS (restricted additive Schwarz) and PAS (parallel additive Schwarz) were inspected again. And a new kind of additive method, called 'Distributed Additive Schwarz Method' (DAS), was proposed and analyzed. Numerical experiments showed that DAS was more efficient than other additive methods in terms of iteration number and iteration time.

关 键 词：分布式存储 加性Schwarz法 椭圆型算子 系数矩阵 内边界 边值问题 

分 类 号：TP301[自动化与计算机技术—计算机系统结构]