Mesh Cleanup on 2D SHELL Elements

Given three files.

• Part1
• part 2
• part3

Objective:

There should not be any free edges, convert all of them into refine geometry.

• Clean the geometry.
• Extract midsurface.
• Clean midsurface geometry.
• Ignore holes less than dia 5mm.
• Create 2D mesh with target length 5mm, min 3.5mm max 7mm.
• And assign proper thickness, by creating a generic property.

As mentioned in the objective the given model cleaned to obtain the midsurface and the mesh is genarated in the given limitations.