Essays about: "discontinuous galerkin spectral element method"

Found 1 essay containing the words discontinuous galerkin spectral element method.

  1. 1. Subgrid finite volume preconditioner for Discontinuous Galerkin implemented in the DUNE framework

    University essay from Lunds universitet/Matematik LTH

    Author : Johannes Kasimir; [2021]
    Keywords : discontinuous galerkin spectral element method; dune; high performance computing; numerical analysis; numerical methods; fluid dynamics; simulation; multigrid; iterative methods; Technology and Engineering;

    Abstract : A Jacobian free multigrid preconditioner for linear problems arising from Implicit Discontinuous Galerkin (DG) discretizations is implemented. The preconditioner is based on a multigrid method for a low order Finite volume (FV) discretization on a subcellgrid. L2-projections are introduced as a strategy to translate between the discretizations. READ MORE