Challenge

Project 2 - 2D meshing on the instrumental Panel

AIM:-

To mesh the Instrumental panel for the given quality criterias without any failure in the elements.

Procedures for Meshing a 2D component:-

i) Importing the CAD model into ANSA:-

The cad model is imported into the Ansa software by clicking File ---> New command.

ii) Geometry Checks:-

This will help us to clear all the surface errors, and unwanted cons and also for any disruptions placed in the CAD model.
This can be done by the command Tools ---> Checks ---> Geometry. And errors are shown like cons, unchecked surfaces, cracks, needle faces, etc.
Some of these errors can be automatically resolved by the ANSA by using the command Right click + Fix in the geometry check dialog box.
Some of the errors like unchecked faces will be cleared manually using Faces ---> Delete and Faces ---> New commands.
When all the errors are fixed check it again in geometry checks.

Once all errors are fixed we can move to mid-surfacing and meshing the given component.
Before extracting the Mid surface of the components, it is important to measure their thickness. And this can be achieved by using the command Utilities---> Measure.
For this cad model, we use Midsurface ---> Casting so FE is automatically generated.

iii) Meshing:-

Now we need to provide the quality criteria as provided by using the command Utilities ---> Quality Criteria ( or by clicking F11 ).
Then switch to the 'Presentation parameters' tab, In the Graphics division put a tick mark for Elements% and choose the Details on demand effect as 'More details'.
Then choose Utilities ---> Mesh parameters and give the target length as 5.
Then choose Perimeters ---> Length command and choose the entire component and give the target length of the mesh value as 5.
At some places new mesh flow should be created inorder to delete the failed mesh surface
In align manager we can see some empty areas where the ANSA failed to identify the criteria so check for empty areas and give correct alignment
Here we need to align correct midsurfaces and correct planes for required surfaces by editing their selected criteria
All the areas should be mentioned in align manager so that it stores each and every data of the meash surface and its features.
For fixing the errors the following commands are commonly used, Elements ---> Split, Elements ---> Swap, Grids ---> Paste, Elements ---> Join, Shell mesh ---> Reconstruct, and Shell mesh ---> Smooth.

Learning Outcomes :

In this challenge I learnt how to clean geometry.
Learnt how to extract midsurface.
Learnt how to apply mesh and eliminate failure elements.
Learnt how to use align manager to fix the errors and retouch the error feature.

Result :

Ship work like this
in your own course.