High-efciency improved symmetric successive over-relaxation preconditioned conjugate gradient method

• 作 者: 李根 唐春安 李连崇
• 机 构: DepartmentofAppliedMechanicsandEngineering,InstituteforRockInstabilityandSeismicityResearch
• 出 处: 应用数学和力学：英文版
• 发表日期: 2013年10期
• 关键词: 预处理共轭梯度法 大型线性方程组 有限元分析 松弛 对称 计算机辅助制造 计算机辅助工程 求解 improved preconditioned conjugat
• 基金项目: Project supported by the National Natural Science Foundation of China （Nos. 51309261, 41030747, 41102181, and 51121005）, the National Basic Research Program of China （973 Program） （No. 2011CB013503）,

Fast solving large-scale linear equations in the finite element analysis is a classical subject in computational mechanics. It is a key technique in computer aided engineering(CAE) and computer aided manufacturing(CAM). This paper presents a high-efciency