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arrowbleft CFD results obtained with PETScFEM (page 3) arrowbright

Ellipse falling at supersonic speed. (see article)
The unsteady flow around the Ahmed vehicle model is numerically solved for a Reynolds number of 4.25e6 based on the model length. The Ahmed vehicle model is a very simplified bluffbody which is frequently employed as a benchmark in vehicle aerodynamics. Slant angle is 12.5 degrees. (see article1, article2(spanish), article3(spanish))
Modelling flow in a harbour: The harbour is the rectangular plate in the center. It is placed over the river so that it has no influence over it. The scope of the CFD study is to determine the influence of the civil construction shown on the coast of the river (in grey) on the flow at the harbour platform.
Modelling flow in a harbour: Vorticity on the bottom of the river and on the coast as shown. Also an isosurface of vorticity is shown in red. Note the vortex street shed from the leading edge of the civil structure. (The camera is rotating in order to give a stereoscopic 3D perception of the view.)
Dam break problem: This example involves a free surface. The water is initially in the column at the left ant at t=0 the dam is broken. Water falls and strikes the right wall and the comes back. The animation is slower in a ratio 1.5:1 to the actual physical frame rate. (see the following articles 1, 2, 3, 4)
The fluid flow and heat transfer in the fluid, core, and wire windings have been computed. The mesh has been highly refined in the solid-fluid interface due to the high Prandtl number of the oil. The results shown correspond to the warm-up essay on a distribution transformer of 13.2/0.4 kV, 315kvA. (see article in Spanish).
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Topic revision: r5 - 14 Mar 2018, MarioStorti
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