Application of Improved Dynamic Substructure Finite Element Model-Based State-Space Techniques in Mistuned Blisks

Table 3

Computational time and saving rate of vibratory response.

Mistuning amount	HFFEMM	CDSFEMM		IDSFEM-SST		Increment of efficiency
	Computational time/min	Computational time/min	Saving rate/%	Computational time/min	Saving rate/%
0%	37.78	20.67	45.29	20.31	46.24	1.74%
2%	65.56	39.89	39.15	36.83	43.82	7.67%
3%	90.46	52.79	41.64	48.64	46.23	7.86%
5%	167.8	69.93	58.32	62.79	62.58	10.21%