TY - JOUR T1 - Cascadic Multigrid Method for the Mortar Element Method for $P_1$ Nonconforming Element JO - Journal of Computational Mathematics VL - 4 SP - 425 EP - 440 PY - 2005 DA - 2005/08 SN - 23 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/8829.html KW - Mortar $P_1$ nonconforming element, Cascadic multigrid method. AB -
In this paper, we consider the cascadic multigrid method for the mortar $P_1$ nonconforming element which is used to solve the Poisson equation and prove that the cascadic conjugate gradient method is accurate with optimal complexity.