Table 1 The values of the geometric parameters.

From: Enhanced broadband low-frequency performance of negative Poisson’s ratio metamaterials with added mass

Symbol

Value (mm)

Symbol

Value

\(\:a\)

30

\(\:t\)

1 mm

\(\:b\)

15

\(\:\theta\:\)

\(120\:^\circ\:\)

\(\:l\)

45

\(\:h\)

45 mm

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