Table 8 Optimization results for Antenna IV.

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)

105.1

–

− 13.1

1.6

Variable resolution (cf. (4))

p = 1.0

45.6

56.6

− 13.2

1.5

p = 2.0

32.1

69.5

− 13.0

1.6

p = 3.0

26.3

75.0

− 12.9

1.6

p = 4.0

22.5

78.6

− 12.5

1.7