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 | |