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Table 12 Computed eigenfrequencies given in [ H z ]for the building example

From: A new mortar formulation for modeling elastomer bedded structures with modal-analysis in 3D

EW

Conform

Mortar

% diff

Conform

New coupling

% diff

 

no elast

no elast

 

elast

elast

 

1

11.357

11.471

1.007

9.883

9.960

0.779

2

13.738

13.861

0.899

12.439

12.496

0.459

3

14.347

14.425

0.547

13.302

13.346

0.330

4

15.807

15.947

0.884

13.938

14.067

0.926

5

16.988

17.133

0.856

14.980

15.134

1.030

6

21.070

21.329

1.227

19.256

19.398

0.737

7

21.832

21.988

0.715

20.765

20.833

0.325

8

24.038

24.265

0.947

21.072

21.165

0.437

...

...

...

...

...

...

...

20

36.868

37.071

0.552

34.033

34.437

1.189

...

...

...

...

...

...

...

30

48.414

48.769

0.732

43.329

43.850

1.202

...

...

...

...

...

...

...

40

61.815

62.479

1.073

53.238

53.574

0.631

...

...

...

...

...

...

...

50

69.224

70.028

1.162

60.897

61.468

0.938

...

...

...

...

...

...

...

60

77.711

78.402

0.889

66.702

67.982

1.919

...

...

...

...

...

...

...

70

86.225

86.443

0.253

76.123

76.488

0.479

...

...

...

...

...

...

...

80

93.425

93.893

0.501

83.881

84.382

0.597

...

...

...

...

...

...

...

90

101.063

101.673

0.603

88.875

89.558

0.769

...

...

...

...

...

...

...

100

108.871

109.382

0.469

94.814

95.145

0.349