Coupled Lateral and Torsional Vibration of Rub-Impact Rotor during Hovering Flight

Table 5

Node information of the finite element model.

Node number	Axial location (m)	Bearing/disk	Element number	Outer diameter (m)	Inner diameter (m)
1	0.1		1	0.018	0
2	0.13		2	0.018	0
3	0.16		3	0.018	0
4	0.19		4	0.018	0
5	0.22		5	0.018	0
6	0.25479		6	0.018	0
7	0.28879		7	0.018	0
8	0.32279		8	0.018	0
9	0.35879	Disk 1	9	0.018	0
10	0.38369		10	0.018	0
11	0.40859		11	0.018	0
12	0.43349		12	0.018	0
13	0.44479	Bearing 1	13	0.018	0
14	0.49		14	0.022	0
15	0.56		15	0.022	0
16	0.65025		16	0.022	0
17	0.75298		17	0.022	0
18	0.82		18	0.022	0
19	0.95844		19	0.022	0
20	1.03		20	0.022	0
21	1.06517	Bearing 4	21	0.022	0
22	1.087		22	0.022	0
23	1.1		23	0.022	0
24	1.14	Disk 4	24	0.022	0
25	1.17		25	0.022	0
26	1.19		26	0.022	0
27	1.21088		27	0.017	0
28	1.21488	Bearing 2	28	0.014	0
29	1.22		29	0.014	0
30	1.23038		End of the inner rotor
31	0.642		30	0.035	0.03
32	0.655		31	0.035	0.03
33	0.6793	Bearing 3	32	0.035	0.03
34	0.6865		33	0.038	0.03
35	0.7117		34	0.038	0.03
36	0.7369		35	0.038	0.03
37	0.7621	Disk 2	36	0.038	0.03
38	0.80784		37	0.038	0.03
39	0.85358		38	0.038	0.03
40	0.89932		39	0.038	0.03
41	0.94506		40	0.038	0.03
42	0.96	Disk 3	41	0.038	0.03
43	0.98		42	0.038	0.03
44	1		43	0.07	0.03
45	1.02		44	0.06	0.03
46	1.04		45	0.06	0.03
47	1.0643	Bearing 4	46	0.06	0.03
48	1.0738