TIME DISCRETIZATION STRATEGIES FOR A 3D LID-DRIVEN CAVITY BENCHMARK WITH PETSc
Résumé
We present parallel implementations in PETSc of three time discretization strategies to solve the 3D incompressible Navier-Stokes equations in velocity-vorticity formulation applied to the lid-driven cavity with aspect ratio 3:1 with second order finite differences discretization in space. Different features of the PETSC software are investigated allowing fast prototyping of parallel numerical methods adapted to the proposed strategies. Comparisons on parallel efficiency, numerical accuracy, and flow behavior are given
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