Free Vibration Analysis of Rotating Pretwisted Functionally Graded Sandwich Blades

Figure 9

Mode shapes of the FG sandwich blade. (A1) 1st mode shape by Matlab; (B1) 2nd mode shape by Matlab; (C1) 3rd mode shape by Matlab; (D1) 4th mode shape by Matlab; (E1) 5th mode shape by Matlab; (F1) 6th mode shape by Matlab; (A2) 1st mode shape by ANSYS; (B2) 2nd mode shape by ANSYS; (C2) 3rd mode shape by ANSYS; (D2) 4th mode shape by ANSYS; (E2) 5th mode shape by ANSYS; (F2) 6th mode shape by ANSYS.

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