ICEM CFD Introductory-Introduction to Hexa

•A hexa mesh is created by first making a “blocking”

–A blocking breaks down a geometry into large brick-shapes and structures the direction of grid lines by the arrangement of the blocks

–Each “block” is easily meshed with a pure Cartesian mesh

•Some blocks can be defined as “swept” and be unstructured along one face

–Block entities (faces and edges) are projected onto the geometry

–The blocking is saved to an independent file, and can be loaded onto a different geometry

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