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6.3.8 PATRAN Neutral Files

There are three different ways in which you can import a PATRAN Neutral file into FLUENT.

After reading a triangular or tetrahedral PATRAN volume mesh using the latter methods perform smoothing and swapping (as described in Section  26.13) to improve its quality.

Recognized PATRAN Datasets

The following PATRAN Neutral file packet types are recognized by the FLUENT grid import utility:

For 2D volume grids, the elements must exist in a constant $z$ plane.

Grouping Elements to Create Cell Zones

Elements are grouped in PATRAN using the Named Component command to create the multiple cell zones. All elements grouped together are placed in a single cell zone in FLUENT. If the elements are not grouped, FLUENT will place all the cells into a single zone.

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