![]() The supported element shapes in an FEMixed section are: 1D: ![]() FEMixed Zone Type to the rescue!Ī FEMixed zone is a single zone with multiple ‘sections’ where each section is a homogenous element shape and grid order (more on grid order later). Splitting into separate zones creates an artificial boundary in the volume data between the different cell types this also requires coincident nodes along that boundary, as opposed to simply reusing existing nodes in the cell connectivity. However, you’d still have to use bricks to represent the Prism and Pyramid cells. You might ask – “why not load each element shape as a separate zone?” For this dataset, you’d likely save some space if you split out the tetrahedrons into a separate FE-Tetrahedron zone – since the connectivity would only specify 4-nodes per cell rather than 8-nodes. ![]() That amounts to a lot of wasted space in the data file and in RAM when loaded into Tecplot 360. Now, consider that you have 183 million elements, each of which has 2 – 4 extra integers in the connectivity arrays. These cells are stored as Finite-Element Brick but are physically a mix of Prisms (near the surface), Tetrahedrons (far field), and Pyramids. ![]() The dataset pictured here (courtesy Metacomp Technologies) is composed of 183 million volume cells. This dataset (courtesy Metacomp Technologies) is composed of 183 million volume cells. ![]()
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