Page Comparison

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After the mesh has been generated, navigate to mesh and click the yellow button that appears to select the mesh as your domain. The icon besides Mesh in the navigation panel should change from yellow to green. Before proceeding, we should check to make sure it looks right and that no mistakes have been made. SimScale has several tools for this, some of which have been recently added. The first and most basic is the mesh element count, found in the general mesh settings under Mesh selection. If your mesh is way smaller or way larger than expected, something may be wrong and any issues should be addressed before moving onto the simulation. The next quick check is to scroll down to the bottom of the Mesh quality controls and expand the new section called Event log. This section has element counts for each type of element. I believe the Number of prisms refers to the number of layer cells and can be used in the same way as the total element count. Fewer prisms than usual can indicate that too many layers were removed, which should be inspected and addressed before continuing. I was able to get around 22k prisms for a mesh of this resolution. A more detailed inspection can be done by looking at the mesh in the 3-D display. The symmetry plane provides a convenient cross-section to look at the boundary layers running along the middle of the car, and the mesh clip tool can be used to create any other cross-sections. Finally, you can navigate to the Mesh quality section to conduct more detailed and quantifiable analysis of your mesh quality, although it does take a while to load.

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Expand
title Bad Mesh Results
Warning Figure 2.4: Incomplete boundary layer formation around the pontoon, notice the discontinuous boundary layers and wavy distortions that are created outside of the prism elements.

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