Sökning: "discontinuous galerkin spectral element method"

Hittade 1 uppsats innehållade orden discontinuous galerkin spectral element method.

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

    Master-uppsats, Lunds universitet/Matematik LTH

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

    Sammanfattning : 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. LÄS MER