Homotopy Iteration Algorithm for Crack Parameters Identification with Composite Element Method

Table 6

Effect of measurement noise.

Scenarios	Noise	Identified results (mm)/rel. (%)		Division of 𝜆	No. of iteration
		𝑥𝑐	ℎ𝑐
1	Nil	1000.000234/0.00	1.000000/0.00	3	26
2	1%	1021.498303/2.15	1.003232/0.32	3	22
3	5%	1070.401667/7.04	1.022658/2.27	3	23
4	15%	1089.318837/8.93	1.052358/5.24	3	19

Note: “Rel. (%)” denotes relative error.