Research Article

Influence of Sandwich-Type Constrained Layer Damper Design Parameters on Damping Strength

Table 9

Simulated two-layer sandwich-type CLD designing geometric parameters and simulation results. = 3 mm.

Design Designing geometric parameters Results
(mm) (mm) (mm) (Hz) Damp. pot.

1 1 1 4 400.12 18
2 1.5 1 4.5 394.56 22
3 2 1 4.5 405.41 24
4 2.5 1 5 389.83 26
5 3 1 5 396.62 28
6 3.5 1 5 403.34 29

7 1 1.5 5 391.42 27
8 1 2 5 408.8 34
9 1 2.5 5.5 401.15 44
10 1 3 6 402.52 56
11 1 3.5 6.5 407.79 55
12 1 4 7 408.39 38

13 1.5 1.5 5 401.18 32
14 2 1.5 5 407.88 36
15 2.5 1.5 5.5 390.49 42
16 3 1.5 5.5 400.27 48
17 3.5 1.5 6 392.66 54

18 1.5 2 5.5 390.91 41
19 1.5 2.5 5.5 407.778 55
20 1.5 3 6.5 396.96 82
21 1.5 3.5 7.5 402.07 97

22 2 2 5.5 395.57 48
23 2.5 2 5.5 402.45 55
24 3 2 6 392.36 67
25 3.5 2 6 405.29 73

26 2 2.5 6 391.9 67
27 2 3 6.5 401.74 98
28 2 3.5 7.5 409.4 127

29 2.5 2.5 6 398.81 78
30 3 2.5 6 408.92 90
31 3.5 2.5 6.5 406.84 105

32 2.5 3 6.5 408.82 116
33 2.5 3.5 8.5 403.29 172

34 3 3 7.5 400.09 167
35 3.5 3 8 405.96 193

36 3 3.5 11 397.23 288

37 3.5 3.5 15 406.28 782

Damp. pot. refers to the peak amplitude of the damping potential curve.