3create Cylinder height 4 radius 3
4create Cylinder height 4 radius 1
5subtract volume 2 from volume 1
6modify curve 2 blend radius 1
7modify curve 6 blend radius 1
8modify curve 5 blend radius 1
9modify curve 1 blend radius 1
12subtract volume 1 from volume 3
13block 1 surface 19 20 18 21
14block 1 name 'NATURALBC'
17#create Cylinder height 4 radius 2
20#block 1 name 'NATURALBC'
21#chop volume 1 with volume 2
24volume all sizing function type skeleton scale 8 time_accuracy_level 4
25volume all sizing function type skeleton
26#volume all size auto factor 6
27volume all scheme Tetmesh
31block 2 element type tetra10