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

Figure 8

Maximum modal strain energy amplitudes analysis in different rotational speeds. (a) MMSEAs: tuned blisk: y1: ; y3: ; y5: . Mistuned blisk: y2: ; y4: ; y6: . (b) Deviations of MMSEAs: mistuned blisk relative to tuned blisk: m1: ; m2: ; m3: .

(a) MMSEAs

(b) Deviation of MMSEAs