Chaotic and Subharmonic Motion Analysis of Floating Ring Gas Bearing System by Hybrid Numerical Method

Table 1

Comparison of rotor center orbits calculated by FDM and hybrid method, respectively.

		Displacement
Conditions		𝑋2(𝑛𝑇)		𝑌2(𝑛𝑇)
		𝐻=0.001	𝐻=0.01	𝐻=0.001	𝐻=0.01
SOR and FDM	𝑚𝑟=2.1kg; 𝜔=3.5×10^6rpm	0.0171111035	0.0172835103	−0.0247812154	−0.0258745091
DTM and FDM		0.0172889076	0.0172858013	−0.0251754812	−0.0251713214
SOR and FDM	𝑚𝑟=6.0kg; 𝜔=3.5×10^6rpm	0.0182283150	0.0181341276	−0.1258257815	−0.1285321157
DTM and FDM		0.0183243783	0.0183297430	−0.1258701321	−0.1258781121