Transfer Matrix Method for the Determination of the Natural Vibration Characteristics of Realistic Thrusting Launch Vehicle—Part I

Table 3

A comparison of TMM using different numbers of segments with flight test and computed data.

	TMM				Flight test [27]; time from launch; (0.25 to 0.75 sec)	Computed data [27]; time from launch; (0.0 to 1.0 sec)
Mode	Number of segments
	50	100	400	1000
1	12.95	37.18	10.58	10.58	≈10.5	10.5 to 10.9
2	11.55	35.75	35.03	35.02	—	—
3	10.58	66.25	62.41	62.54	—	—