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Documentation

Tutorial: Advanced setup of the Tet-Dominant algorithm

This meshing tutorial is based on the Tet-dominant Quick Tutorial but introduces more advanced meshing techniques like local refinements and manual sizing. In addition to that, methods of mesh quality assessment are presented.

Link to tutorial project containing the geometry:

Import project into workbench

Create new simulation

  • As a first step we need to create a new simulation. Simply left click on the bearing block and then select Create Simulation.
    Meshing, FEA Analsysis, Simscale, Bearing Block Geometry, Tet Dominant Meshin
    Bearing block geometry
  • This dialog box allows the user to select the simulation model. Click on ‘Static’.
    Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing, Advanced Tutorial, Manual Meshing, Automatic Meshing
    Selecting the analysis type: Static

Mesh Generation

In this tutorial, we want to create two meshes for the geometry. The goal is to have a better resolution of the fillets when compared to the Tet-dominant Quick Tutorial.

To achieve this, we first create a local refinement on the fillet regions. In the second mesh we won’t have a local refinement, but rather modify the mesh sizing to increase the mesh resolution on the fillets indirectly. Left click on Mesh to create a new mesh.

  • Choose the Tet-Dominant Algorithm and set it up as shown below. We will then proceed to adding refinements.
Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing, Advanced Tutorial, Manual Meshing, Automatic Meshing
Settings for the first mesh

Local Element Size

  • Click on the ‘+’ icon next to Refinements and choose local element size.
  • Fineness level will be moderate. Enable face selection to assign faces.
  • We need to pick all the 14 faces of the fillet regions as shown below.
Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing, Advanced Tutorial, Manual Meshing, Automatic Meshing
Fillet face selection of bearing block.
  • Click on Generate to start meshing. The progress of the meshing is shown in the bar.
  • The generated mesh is shown below:
Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing
Bearing Block mesh with local refinement.
  • Zooming in, we can see the refinement in the fillet regions, where the number of layers have increased.
    Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing
    Fillets up-close.
  • Now, to generate the second mesh we need to choose a manual sizing.
  • Use the settings below and click on Generate to create the mesh.
Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing
Settings for the second mesh.
  • Zoom in to highlight the fillets from the second mesh:
Refinements from the second mesh on the fillets.
  • The figure below shows the comparison between the 3 different meshes generated.
    Meshing, FEA Analysis, Simscale, Bearing Block Geometry, Tet Dominant Meshing
    Comparison of different meshes.
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