A Non-Convex Partition of Unity and Stress Analysis of a Cracked Elastic Medium

Table 2

Total strain energy comparison for Example 2.

	-FEM with Mesh I	-FEM with Mesh II	-FEM with MAM	Meshfree enrichment
2	1.60551078343838	2.01871772810441	1.70213202981048	2.019413351175610
4	1.81518650351132	2.08274831820450	2.11004639654621	2.112748709582020
6	1.89915218378087	2.09344129702200	2.11356074177201	2.113806861694690
8	1.94532926077425	2.09816367972923	2.11378584006680	—