Mode

Test [18]

Hz

Analysis [13]

Hz

FEA [17]

Hz

Present

Hz

Error32*

%

Error42*

%

Error52*

%

Error54*

%

1

2.06

2.570

1.790

1.773

24.76

−13.09

−13.95

−0.989

2

3.95

4.392

3.673

3.636

11.19

−7.025

−7.94

−0.988

3

6.16

6.775

5.731

5.674

9.98

−6.966

−7.89

−0.993

4

-

-

8.037

7.957

-

-

−0.994

5

-

-

10.649

10.54

-

-

−0.986

6

-

-

13.610

13.476

-

-

−0.985

7

-

-

16.952

16.787

-

-

−0.973

8

-

-

20.698

20.499

-

-

−0.961