Table 5 Optimization results for Antenna I.

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

Algorithm setup

Execution time [hours]

Savings w.r.t. high-fidelity-based algorithm (%)

Average objective function value [dB]

Standard deviation of objective function [dB]

High-fidelity (L = Lmax)

25.7

–

− 13.0

2.5

Variable resolution (cf. (4))

p = 1.0

14.3

44.4

− 14.7

4.0

p = 2.0

11.2

56.4

− 14.1

3.5

p = 3.0

10.3

59.9

− 15.0

3.2

p = 4.0

9.1

64.5

− 13.6

3.8