Stress Intensity Factor for Interface Cracks in Bimaterials Using Complex Variable Meshless Manifold Method

Table 1

Calculated SIF for plate with central interface crack.

Γ	CVMMM		FEM		Reference
	F 1	F 2	F 1	F 2	F 1	F 2
Crack length 2𝑎=40 mm
1	1.108	0.000	1.083	0.000	1.111	0.000
4	1.085	−0.130	1.045	−0.125	1.089	−0.130
10	1.058	−0174	1.013	−0.156	1.066	−0.173
100	1.027	−0.205	0.987	−0.179	1.039	−0.203
Crack length 2𝑎=60 mm
1	1.302	0.000	1.268	0.000	1.305	0.000
4	1.266	−0.142	1.214	−0.140	1.273	−0.150
10	1.229	−0.198	1.165	−0.165	1.239	−0.198
100	1.180	−0.227	1.113	−0.163	1.201	−0.228
Crack length 2𝑎=80 mm
1	1.812	0.000	1.765	0.000	1.818	0.000
4	1.736	−0.226	1.658	−0.215	1.752	−0.227
10	1.681	−0.291	1.561	−0.250	1.686	−0.293
100	1.609	−0.320	1.459	−0.291	1.612	−0.327