A Jacobian-free multigrid preconditioner built on a low-order finite volume subgrid makes implicit DG time integration competitive for 2D atmospheric flows.
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Jacobian-free Multigrid Preconditioner for Discontinuous Galerkin Methods applied to Numerical Weather Prediction
A Jacobian-free multigrid preconditioner built on a low-order finite volume subgrid makes implicit DG time integration competitive for 2D atmospheric flows.