,GLOBAL SUPERCONVERGENCES OF THE DOMAIN DECOMPOSITION METHODS WITH NONMATCHING GRIDS

• 作 者: Ping Luo Guo-ping Liana
• 机 构: Department of Computer Science, Tsinghua University, Beijing 100084, China“,”Institute of Mathematic
• 出 处: 计算数学（英文版）
• 发表日期: 2001年2期
• 关键词: Domain decomposition Defect correction Global superconvergence Non- matching gri

In this paper, the global superconvergences of the domaindecomposition methods with Lagrangian multiplier and nonmatching grids are proven for solving the second order elliptic boundary value problems. Moreover, L∞ and L2 error estimates are discussed and a defect correction scheme is presented.