For Gmsh export, the Set Solver Attributes panel provides a number of settings to control the polynomial degree of the exported mesh. For more information on these settings, go to High-Order Attributes.

CAE, Solver Attributes, Gmsh
The polynomial degree can be specified for Gmsh solver export.

Note: High-order polynomial elevation is only available for 3D grids.


High-Order Mesh Setup

High-Order Mesh Export