Model Reduction Methods for Rotor Dynamic Analysis: A Survey and Review

Table 3

A brief review of the capabilities of finite element methods proposed to model a rotating shaft-disk system [35].

				Prismatic solid or hollow					Abrupt change
				cross-section			Tapered		in cross-section
	Rotary inertia	Gyro-scopic effect	Shear deformation	Axisym-metric	Two principal axes	Solid axisym-metric	Two principle axis	Hollow axisym-metric	Axisym-metric	Non axisym-metric
Rayleigh Shaft element [28]	✓	✓	x	✓	✓	x	x	x	x	x
Conical shaft element based on Timoshenko beam [17, 31, 45–47]	✓	✓	✓	✓	x	✓	x	✓	x	x
Modulus corrected elements [34]	✓	✓	✓	✓	✓	✓	✓	✓	✓	x
Axi-symmetric finite elements [38, 48]	✓	✓	✓	✓	x	✓	x	✓	✓	x
Three-dimensional solid finite element [37]	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓