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This work aims to discuss a proposed solution for wave equations that utilize discretization by means of the finite difference method, weighted by a parameter  η , with sweeping done according to the time-stepping method. The multigrid method is employed to speed up the convergence in obtaining the solution of the system of equations resulting from the discretization. To validate the proposed model, the discretization errors, effective and apparent orders, convergence factor, orders of complexity, and the computational time were assessed. A comparison between the singlegrid and multigrid methods was carried out in order to determine the most advantageous one.

Performance of the multigrid method with time-stepping to solve 1D and 2D wave equations