Spatial Transverse Vibration Simulation Model of Axially Moving Sucker Rod String under the Excitation of Curved Borehole

Table 3

Statistical table of rod-tube contact force characteristic values at 3 s and 9 s.

Time (s)	Node type	Model	Average contact force (N/m)	Position of max contact force (m)	The max contact force (N/m)	Standard deviation of difference with model 1 (N/m)
3	Coupling node	Model 1	319.13	378	1126.0
		Model 2	321.10	405	1129.4	74.31
		Model 3	141.61	387	472.6	223.83
	Rod node	Model 1	1.17	500.5	92.79
		Model 2	1.16	391.5	94.25	2.25
		Model 3	11.77	411.5	122.73	23.20
9	Coupling node	Model 1	152.70	396	560.80
		Model 2	158.06	396	573.03	48.22
		Model 3	95.80	414	293.04	98.83
	Rod node	Model 1	3.02	1294.5	196.75
		Model 2	3.06	1297.5	217.97	12.86
		Model 3	5.49	375	69.61	16.67