Table 2 Comparison of dynamic vertical stiffness for UEI and UMELI.

From: Development of novel low-cost isolator UMELI (unbonded mesh elastomeric layered isolator): experimental investigations

Isolator

Thickness (mm)

Static deformation (mm)

Vertical stiffness, \({{\varvec{K}}}_{{\varvec{v}}}\) (kN/mm)

Vertical Time Period, 1/\({{\varvec{f}}}_{{\varvec{v}}}\) (s)

Vertical Natural frequency, \({{\varvec{f}}}_{{\varvec{v}}}\) (Hz)

UEI

30.23

20.88

19.86

0.10

10.03

UMELI—2 layers

33.51

21.88

23.64

0.09

10.94

UMELI—3 layers

34.20

22.10

37.68

0.07

13.82

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