An Efficient Third-Order Full-Discretization Method for Prediction of Regenerative Chatter Stability in Milling

Table 4

SLD for the two-DOF milling model using the 1stSDM, 1stFDM, and the proposed NI-HI-3rdFDM.

Radial depth of cut ratio	1stSDM [11]	1stFDM [13]	The proposed NI-HI-3rdFDM
a/D = 1
	Computation time 1247 s	Computation time 282 s	Computation time 256 s
a/D = 0.5
	Computation time 1189 s	Computation time 243 s	Computation time 190 s
a/D = 0.1
	Computation time 1204 s	Computation time 202 s	Computation time 163 s
a/D = 0.05
	Computation time 1197 s	Computation time 200 s	Computation time 160 s