Non-conforming elements in Nek5000: pressure preconditioning and parallel performance

DOI10.1007/978-3-030-39647-3_48zbMath1484.65202OpenAlexW2981518508MaRDI QIDQ2054376

A. Peplinski, Paul F. Fischer, N. Offermans, Philipp Schlatter

Publication date: 2 December 2021

Full work available at URL: https://doi.org/10.1007/978-3-030-39647-3_48

zbMATH Keywords

spectral element methoddomain decompositionpreconditionerUzawa decouplingadditive overlapping Schwarz methodahybrid Schwarz-multigrid methodparallel mesh management

Mathematics Subject Classification ID

Spectral, collocation and related methods for boundary value problems involving PDEs (65N35) Navier-Stokes equations for incompressible viscous fluids (76D05) Spectral methods applied to problems in fluid mechanics (76M22) Stokes and related (Oseen, etc.) flows (76D07) Navier-Stokes equations (35Q30) Iterative numerical methods for linear systems (65F10) Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs (65M70) Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs (65M55) Preconditioners for iterative methods (65F08) Numerical solution of discretized equations for initial value and initial-boundary value problems involving PDEs (65M22)

Related Items (3)

The flow around a stepped cylinder with turbulent wake and stable shear layer ⋮ Error-driven adaptive mesh refinement for unsteady turbulent flows in spectral-element simulations ⋮ Adaptive mesh refinement for steady flows in Nek5000

Uses Software

• Nek5000

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