1st step of adaptation:
1074 nodes, 7012 edges, 11787 faces and 5848 elements
2nd step of adaptation:
4018 nodes, 26 958 edges, 45 855 faces and 22 914 elements
3rd step of adaptation:
6046 nodes, 40 357 edges, 68 588 faces and 34 276 elements
4th step of adaptation:
7295 nodes, 48 703 edges, 82 781 faces and 41 372 elements