Figure 3
From: Optimal design of lattice structures for controllable extremal band gaps

Comparison of band structures and frequency responses. (a) Undulated design result, (b) Optimal design result (Case #2), (c) Optimal design result (Case #3).
From: Optimal design of lattice structures for controllable extremal band gaps
Comparison of band structures and frequency responses. (a) Undulated design result, (b) Optimal design result (Case #2), (c) Optimal design result (Case #3).