Estimation of Grain Orientation in an Anisotropic Weld by Using a Model of Ultrasonic Propagation in an Inverse Scheme

Table 9

Four groups of better result in the last generation, inversion with the P wave experimental data (variables varied within 𝛿 = 10°) (°).

	𝜃1	𝜃2	𝜃3	𝜃4	𝜃5	𝜃6	𝜃7	𝜃8	𝜃9
Individual 1	85.18	79.64	92.27	78.68	36.08	93.67	91.84	73.83	45.10
Individual 2	85.11	79.78	88.74	76.84	36.63	93.66	91.84	73.87	51.76
Individual 3	85.11	79.54	88.74	76.84	36.63	93.66	91.84	73.87	51.76
Individual 4	85.19	79.69	90.14	78.69	37.34	92.54	91.44	72.88	51.32
	𝜃10	𝜃11	𝜃12	𝜃13	𝜃14	𝜃15	𝜃16	𝜃17
Individual 1	26.21	59.00	39.24	27.53	21.93	19.34	9.65	10.78
Individual 2	26.07	59.16	33.21	34.25	22.28	16.94	13.06	10.74
Individual 3	26.07	59.16	33.21	34.25	22.28	16.94	13.06	10.74
Individual 4	28.34	55.44	33.06	34.25	25.74	15.40	14.62	10.49