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All things being equal, CFD practitioners prefer to use hexahedral mesh cells in the boundary layer for the improved robustness and accuracy they bring to the flow solver. Traditionally, a hex grid would be created using a structured grid technique (aka mapped mesh) but these can require too much manual intervention to generate efficiently. Unstructured quad and hex meshing techniques provide the best of both worlds: unstructured flexibility and speed, and hex cell quality.
In this on-demand webinar, we highlight four features available in Pointwise.
Read more at Another Fine Mesh.