Table 4 Comparison of band gap sizes and frequency ranges in simple cubic lattice.

From: Optimal design of lattice structures for controllable extremal band gaps

 

Band gap #

Band gap size

Lower bound of band gap

(Hz)

Mode #

Frequency (Hz)

Original

undulated design

1

387.9

15

3198.9

2

24.9

16

3875.1

Optimal design

1

853.7

15

165.6