Figure 5
From: On nature-inspired design optimization of antenna structures using variable-resolution EM models

Simulation time vs. EM model fidelity for verification structures of Fig. 4: (a) Antenna I, (b) Antenna II, (c) Antenna III, (d) Antenna IV. The minimum usable (---) and the maximum (high-fidelity) (—) values of the resolution parameter L are indicated using vertical lines.