Homotopy Iteration Algorithm for Crack Parameters Identification with Composite Element Method

Table 7

Identification of two cracks in a simply supported beam.

Scenarios	Noise	Identified results (mm)/rel. (%) in crack 1		Identified results (mm)/rel. (%) in crack 2		Division of 𝜆	Measurement time (s)	No. of iteration
		𝑥𝑐1	ℎ𝑐1	𝑥𝑐2	ℎ𝑐2
1	Nil	450.000000/0.00	5.000000/0.00	999.999997/0.00	1.000000/0.00	5	1	78
2	5%	441.804646/1.82	4.986154/0.28	1064.867252/6.49	1.072199/7.22	7	1	74