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When performing an MFBD (Multi Flexible Body Dynamics) simulation, which is a dynamic analysis including flexible bodies, it is now possible to create flexible bodies with mesh operations ignoring small geometry features that do not affect the results for efficient analysis and accurate results. The Geometry Refinement function makes this possible.
Let's take a look at how to use Geometry Refinement, which enables Mesh work more efficiently in RecurDyn.
As shown above, when there is a small hole on the geometry that you do not need to consider in the simulation analysis, you can ignore that hole and start the mesh operation.
1. Enter Mesh Mode
Click the Mesh button on the menu by right-clicking to enter Mesh mode.
2. Click 'Geo.Refine'
Click on the 'Geo.Refine' icon in the Mesher group of the top menu.
3. In the Geometry Refinement Properties Window
- Use the 'B' button next to 'Target Body' to select the geometry with a small hole.
- Check 'Remove Small Feature'.
- Click the Select button and select a small hole that does not affect the simulation.
- Click the Finish button.
- Paste the value next to the 'Select' button into the text box next to 'Remove Small Feature'.
- Click the 'OK' button to close the Geometry Refinement Properties window.
4. Mesh Operation
Click on the 'Mesh' icon in the top menu and execute the Mesh operation.
5. Mesh Result
As shown in the image below, the final Mesh result shows that there are no small holes considered.
