Inverse Analysis of Crack in Fixed-Fixed Structure by Neural Network with the Aid of Modal Analysis

Table 1

Examples of the training patterns for training of the neural network controller.

Serial number	Input to the neural network controller						Desired output from the neural network controller
	Δ𝑛𝑓1	Δ𝑛𝑓2	Δ𝑛𝑓3	Δ𝑚1	Δ𝑚2	Δ𝑚3	𝛼	𝛿1
1	0.9184	0.9232	0.9602	0.2007	0.4218	0.2035	0.149	0.505
2	0.9264	0.9772	0.9854	0.1426	0.2233	0.1821	0.099	0.412
3	0.9430	0.9806	0.9862	0.1008	0.1624	0.2064	0.172	0.398
4	0.9456	0.9810	0.9876	0.0958	0.1593	0.2052	0.072	0.199
5	0.9578	0.9862	0.9878	0.0709	0.1492	0.1968	0.273	0.536
6	0.9662	0.9872	0.9894	0.0460	0.1305	0.1936	0.214	0.249
7	0.9678	0.9908	0.9936	0.0351	0.1219	0.1604	0.382	0.513
8	0.9726	0.9922	0.9938	0.0182	0.0458	0.1319	0.425	0.491
9	0.9804	0.9936	0.9964	0.0147	0.0299	0.0912	0.503	0.540
10	0.9882	0.9980	0.9982	0.0063	0.0132	0.0349	0.489	0.430