extrude - peralign tool chain fail with very small BL elements
The tool chain extrude - peralign fails "seemingly" randomly when there are very small BL elements. Minimal example provided by Ganlin.
This fail:
NekMesh rectangle.mcf 2D.xml
NekMesh -m extrude:layers=3:length=0.3 2D.xml 3D.xml
NekMesh -m peralign:surf1=103:surf2=104:dir=z 3D.xml 3D_ra.xml
IncNavierStokesSolver 3D_ra.xml 4_3D_inc_periodic.xml
While with tighter tolerance on the peralign step the it works:
NekMesh rectangle.mcf 2D.xml
NekMesh -m extrude:layers=3:length=0.3 2D.xml 3D.xml
NekMesh -m peralign:surf1=103:surf2=104:dir=z:tol=1e-9 3D_ra.xml
IncNavierStokesSolver 3D_ra.xml 4_3D_inc_periodic.xml
Minimal example: 4_3D_inc_periodic.xml rectangle.geo rectangle.mcf