Numerical Solution for an Epicycloid Crack

Table 1

Numerical convergence for the sliding mode stress intensity factor, 𝐾₂(𝜙), for 𝑚=1 when 𝑐=0.1.

𝑁	𝐾2(0.00)	𝐾2(𝜋/4)	𝐾2(𝜋/2)	𝐾2(3𝜋/4)	𝐾2(𝜋)
0	1.0423𝐸−03	7.5379𝐸−04	6.9319𝐸−20	−8.6663𝐸−04	−1.2782𝐸−03
1	1.4538	0.9883	6.7158𝐸−17	−1.6978	−0.9411
2	1.3545	0.8915	6.7071𝐸−17	−0.9971	−0.9427
3	1.3333	0.8914	6.4321𝐸−15	−0.9716	−0.9426
4	1.3191	0.8637	−0.1194	−0.9709	−1.2468
5	1.3191	0.8637	−0.1194	−0.9709	−1.2468
6	1.3191	0.8637	−0.1194	−0.9709	−1.2468