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Showing 1 to 2 of 2 for “"reordering techniques"”.
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A linear multigrid preconditioner for the solution of the Navier-Stokes equations using a discontinuous Galerkin discretization
… where the factorization is performed using a reordering of elements based upon the lines of maximum coupling used for the element Line-Jacobi preconditioner. This reordering is shown to be far superior to standard reordering techniques (Nested Dissection, One-way Dissection, Quotient Minimum …
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Iterative solvers in implicit time integration for compressible flows
… discuss known and new preconditioners, numbering techniques, time step evolution strategies, and matrix-free methods. In this thesis an implicit time integration scheme is used. In case of a stationary problem this approach is called "pseudo-transient continuation", that is, one applies a time …