HyperWorks 12.0 Release Notes

surface remesh will be performed with the elements size assigned to the refinement box.
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11.0.120 Release Notes
Nastran Export for PowerFlow, Nastran (PowerFlow)
The Nastran export format from HyperMesh for surface shell elements has been enhanced. The
component names and element grouping will be maintained during import into PowerFlow.
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11.0.101 Release Notes - CFD
Periodic Surface Meshing
A utility to generate rotational and/or translational periodic surface meshes has been included.
Tetra Mesh Optimization
The “Tetra Mesh Optimization” tool will improve the mesh quality of an existing tetra mesh with respect
to user selected element criteria and thresholds. Several criteria can be selected at the same time.
Surface remeshing and refinement boxes can be considered as well during the optimization.
New CFD Surface Mesh Criteria
The concept of the “vol skew” element criteria has been applied to tria surface elements to define the
“area skew” criteria.
Automatic BC Shell Update for CFD Tetra Meshing
In the CFD Tetramesh panel, the user has the option to define some boundary regions as “float”,
allowing HyperMesh to swap edges of shell elements during the meshing process. Activating the
new option “post-update input shells” will automatically update the initial surface mesh to match the
volume mesh.
AcuSolve Case Setup
A utility to setup an AcuSolve input deck has been included. Currently only a limited number of input
parameters are supported.
Shell Meshing with Boundary Layers
Both meshing algorithms for “2D Native BL (planar)” and “2D Smooth BL” have been further enhanced
to ensure a good quality of the resulting mesh.
Automatic Boundary Layer Reduction
The utility to perform the automatic boundary layer thickness reduction (also known as “generate BL