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Integration of hp-adaptivity and a two grid solver for electromagnetic problems
2006
Computer Methods in Applied Mechanics and Engineering
We present implementation details and analyze convergence of a two grid solver forming the core of a fully automatic hp-adaptive strategy for electromagnetic problems. The solver delivers a solution for a fine grid obtained from an arbitrary coarse hp grid by a global hp-refinement. The classical V-cycle algorithm combines an overlapping block Jacobi smoother with optimal relaxation, and a direct solve on the coarse grid. A theoretical analysis of the two grid solver is illustrated with
doi:10.1016/j.cma.2005.05.017
fatcat:7djzlj64nbfhhcvdp5s3267psq