For the FOS network 22 minimum basis loops were obtained. Loops are also geometrically minimal. The InitSet had a total of 175 pipes, the STSet 143 and the FSet 101 pipes. Optimization algorithms A and D were tested for four different GA settings (Table 3). Comparisons of computed performance indicators are shown in Figures 6 and 7, respectively.
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Table 3
GA evaluation function settings for FOS network tests
| No. test | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| GA generations | 1,000 | 1,000 | 2,000 | 2,000 |
| GA population | 100 | 200 | 100 | 200 |
| No. test | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| GA generations | 1,000 | 1,000 | 2,000 | 2,000 |
| GA population | 100 | 200 | 100 | 200 |
Figure 6
Comparison of suboptimal solutions obtained for different optimization algorithm runs with FOS.
Figure 6
Comparison of suboptimal solutions obtained for different optimization algorithm runs with FOS.
Figure 7
Comparison of speedup factors (Equation (5)) for different optimization algorithm runs with FOS.
Figure 7
Comparison of speedup factors (Equation (5)) for different optimization algorithm runs with FOS.