Analysis of Interaction of Multiple Cracks Based on Tip Stress Field Using Extended Finite Element Method

Table 3

Numbering scheme for the node-numbering matrix for the ^th crack.

Columns
1	…					…			…
1					…
2					…
3	…		e.v.		e.v.	…		e.v.	…
4	…		e.v.			…
					…
					…

e.v.: enriched value.