EBE技术在结构分析中的应用——EBE—CG方法及其并行实现  

APPLICATION OF EBE STRATEGY IN STRUCTURAL ANALYSIS -EBE-CG METHOD AND ITS PARALLEL IMPLEMENTATION

作　　者：周树荃[1] 邓绍忠[1] 

机构地区：[1]南京航空航天大学数理力学系,南京210016

出　　处：《航空学报》1993年第11期A644-A648,共5页Acta Aeronautica et Astronautica Sinica

基　　金：国防科技预研任务资助课题

摘　　要：共轭梯度法(CG法)是求解大型稀疏有限元方程组的有效迭代解法。针对大规模结构分析问题,提出了不形成总刚度矩阵时的EBE-CG法及其并行处理方法。在国内规模最大的大型MIMD分布式系统上的初步数值试验结果表明,并行的EBE-CG法是很有效的。In order to solve the large scale structural analysis problems, a finite element solution method called EBE-CG method is presented, which does not require the formation of global stiffness matrix, and then its parallel implementation is discussed. Numerical examples show that the parallel EBE-CG method is very efficient. For example, when the number of elements of the model structural analysis is 1920, the speed of parallel EBE CG method, when 12 PE(Processing Element) is used, is more than 50 times that of conventional serial CG algorithm, which does not utilize the EBE strategy.

关 键 词：有限元法 并行处理 结构分析 飞机 

分 类 号：V214.1[航空宇航科学与技术—航空宇航推进理论与工程]