Numerical Solution for an Epicycloid Crack

Table 2

Numerical convergence for the sliding mode stress intensity factor, 𝐾₂(𝜙), for 𝑚=1 when 𝑐=0.45.

𝑁	𝐾2(0.00)	𝐾2(𝜋/4)	𝐾2(𝜋/2)	𝐾2(3𝜋/4)	𝐾2(𝜋)
0	5.9156𝐸−04	4.3514𝐸−04	4.35045𝐸−20	−6.7348𝐸−04	−1.2782𝐸−03
1	0.0000	1.0959	3.1941𝐸−19	−8.7363𝐸−03	−3.3449𝐸−02
2	1.7569	1.0959	6.3681𝐸−17	−1.3444	−0.3384
3	1.7624	1.0930	6.3681𝐸−17	−1.3489	−0.3143
4	1.5604	1.0945	6.3681𝐸−17	−1.3511	−1.3057
5	1.4613	0.9940	6.3681𝐸−17	−1.3518	−1.3020
6	1.4609	0.9812	6.3681𝐸−17	−1.3518	−1.3002
7	1.4011	0.8127	−0.6744	−1.3517	−1.3993
9	1.3610	0.8115	−0.6744	−1.7515	−1.2989
10	1.2030	0.8029	−0.6317	−1.9999	−1.4986
11	1.1948	0.7846	−0.6000	−1.1489	−1.2984
12	1.1849	0.7796	−0.5913	−1.1317	−1.1983
13	1.1782	0.6912	−0.5410	−1.1245	−1.1203
14	1.1782	0.5680	−0.5302	−1.0982	−1.1782
15	1.1782	0.5680	−0.5302	−1.0982	−1.1782
17	1.1782	0.5680	−0.5302	−1.0982	−1.1782
16	1.1782	0.5680	−0.5302	−1.0982	−1.1782