Ansys Meshing – Multizone + Inflation + Face Meshing

Written by cfd.ninja

March 13, 2020

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Source: Ansys

You can set the Use Automatic Inflation control so that inflation boundaries are selected automatically depending on whether or not they are members of Named Selections groups. The following options are available:

Remember the following information when using inflation:

  • Automatic inflation is supported only for 3D inflation on volume models. It is not supported for 2D inflation on shell models. You cannot select Program Controlled or All Faces in Chosen Named Selection for the Use Automatic Inflation option to mesh a 2D model. To apply 2D inflation on a shell model, use local inflation mesh controls instead.

  • In the following scenarios, using inflation results in automatic suppression of the refinement control:

     

  • In general, using a mixture of local inflation and automatic inflation within the same part is not recommended. When you mix local and automatic inflation, the local inflation settings will be used for the bodies to which they are applied. The automatic inflation settings will create inflation only on those bodies that do not have local inflation applied to them. The automatic inflation settings will ignore all bodies and all attached faces to which local inflation settings are applied.

In this tutorial you will learn how to generate a structured mesh using Ansys Meshing. We will use Multizone + Inflation + Face Meshing.

Ansys Meshing – Mesh Copy Control

Ansys Meshing – Mesh Copy Control

The Mesh Copy control enables you copy mesh from one body to another. This option can be used to reduce the mesh setup time for repetitive bodies/parts. Association to CAD is maintained after performing mesh copy.

Mesh controls are scoped only to the source anchor body. When the mesh is generated, the source anchor body is meshed and the mesh is then copied to targets.

Tutorial: CutCell using Ansys Meshing.

Related Articles

Ansys Meshing – Mesh Copy Control

Ansys Meshing – Mesh Copy Control

The Mesh Copy control enables you copy mesh from one body to another. This option can be used to reduce the mesh setup time for repetitive bodies/parts. Association to CAD is maintained after performing mesh copy.

Mesh controls are scoped only to the source anchor body. When the mesh is generated, the source anchor body is meshed and the mesh is then copied to targets.

Ansys Meshing – Pinch

Ansys Meshing – Pinch

The Pinch feature lets you remove small features (such as short edges and narrow regions) at the mesh level in order to generate better quality elements around those features.

Ansys Meshing – Mesh Types (Hexa, Prism, Polyhedral)

Ansys Meshing – Mesh Types (Hexa, Prism, Polyhedral)

When geometries are complex or the range of length scales of the flow is large, a triangular/tetrahedral mesh can be created with far fewer cells than the equivalent mesh consisting of quadrilateral/hexahedral elements.

Ansys Meshing – Hexahedral Mesh (Pipe)

Ansys Meshing – Hexahedral Mesh (Pipe)

The MultiZone mesh method provides automatic decomposition of geometry into mapped (structured/sweepable) regions and free (unstructured) regions.

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