A parallel finite element method coupling the fractional step finite element method with the domain decomposition method is applied for parallel simulation of 3D lid-driven cubic cavity flows, based on the open source codes PETScFEM. The Reynolds numbers (Re) between 1 and 10,000 are considered, covering laminar and partly turbulent field. Primary eddy, secondary eddies, corner eddies, Taylor-Gortler-like (TGL) vortices, and other cavity flow features are investigated. At high Reynolds numbers, the mean and mean-root-square velocities statistics along the horizontal and vertical centerlines in the symmetry plane, respectively, maintain reasonable agreement with experimental data. Parallel performance is also analyzed.

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