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

Table 6

Comparison of the dispersion of each variable obtained in those two cases 𝛿 = 10° and 𝛿 = 20°, synthetic P wave data, (°).

	𝜃1	𝜃2	𝜃3	𝜃4	𝜃5	𝜃6	𝜃7	𝜃8	𝜃9
Δ𝜃𝑖; (𝛿 = 10°)	3.97	8.66	0.61	7.60	5.76	1.09	4.91	4.83	3.98
Δ𝜃𝑖; (𝛿 = 20°)	2.87	14.57	12.71	6.17	13.73	1.34	11.54	4.42	9.97
	𝜃10	𝜃11	𝜃12	𝜃13	𝜃14	𝜃15	𝜃16	𝜃17
Δ𝜃𝑖; (𝛿 = 10°)	5.11	4.30	0.28	3.94	1.11	1.34	5.52	5.25
Δ𝜃𝑖; (𝛿 = 20°)	2.57	12.22	0.28	2.23	3.26	2.26	8.03	2.14