I have an stl mesh which is watertight mesh (Checked with surfaceCheck utility of OpenFoam).
- I splitted this mesh to two stl’s using Paraview filters. (STL > GenerateNormals > Connectivity > Threshold > ExtractSurface).
- I saved these two stl files. Then I merged these two stls using surfaceAdd utility. (I merged again because I need separate patch in snappHexMesh).
- But, after merging, surfaceCheck shows the mesh is not closed. How do I retain this?
For reference, I have attached the zip file of stl.
Any leads will be appreciated.
Sunag R A.