Comparison of estimated transverse dispersivity (m) values in various zones using DE, GA, PSO, and CSO
| Data set . | Zone . | True values (m) . | Estimated values using CSO (m) . | Absolute % error CSO . | Estimated values using PSO (m) . | Absolute % error PSO . | Estimated values using DE (m) . | Absolute % error DE . | Estimated values using GA (m)) . | Absolute % error GA . |
|---|---|---|---|---|---|---|---|---|---|---|
| Data set 1 | 1 | 6 | 5.98 | 0.25 | 5.99 | 0.02 | 5.98 | 0.33 | 5.81 | 3.17 |
| 2 | 6 | 5.91 | 1.50 | 5.99 | 0.03 | 5.96 | 0.67 | 5.72 | 4.67 | |
| 3 | 4 | 3.93 | 1.75 | 4 | 0.00 | 3.94 | 1.50 | 3.82 | 4.50 | |
| 4 | 6 | 5.98 | 0.33 | 6 | 0.00 | 5.99 | 0.17 | 5.92 | 1.33 | |
| 5 | 4 | 3.99 | 0.25 | 3.99 | 0.02 | 3.98 | 0.50 | 3.94 | 1.50 | |
| 6 | 1.5 | 1.48 | 1.33 | 1.5 | 0.00 | 1.49 | 0.67 | 1.46 | 2.67 | |
| 7 | 4 | 4 | 0.00 | 4.01 | 0.25 | 3.98 | 0.50 | 3.91 | 2.25 | |
| 8 | 1.5 | 1.5 | 0.00 | 1.479 | 1.40 | 1.5 | 0.00 | 1.48 | 1.33 | |
| 9 | 1 | 1 | 0.00 | 1 | 0.00 | 0.98 | 2.00 | 0.98 | 2.00 | |
| Data set 2: μ = 0, σ = 1 | 1 | 6 | 5.73 | 4.50 | 5.67 | 5.50 | 5.66 | 5.67 | 5.58 | 7.00 |
| 2 | 6 | 5.61 | 6.50 | 5.58 | 7.00 | 5.7 | 5.00 | 5.59 | 6.83 | |
| 3 | 4 | 3.70 | 7.50 | 3.63 | 9.25 | 3.65 | 8.75 | 3.53 | 11.75 | |
| 4 | 6 | 5.61 | 6.50 | 5.48 | 8.67 | 5.63 | 6.17 | 5.48 | 8.67 | |
| 5 | 4 | 3.77 | 5.75 | 3.57 | 10.75 | 3.69 | 7.75 | 3.5 | 12.50 | |
| 6 | 1.5 | 1.42 | 5.33 | 1.40 | 6.67 | 1.38 | 8.00 | 1.29 | 14.00 | |
| 7 | 4 | 3.84 | 4.00 | 3.68 | 8.00 | 3.77 | 5.75 | 3.62 | 9.50 | |
| 8 | 1.5 | 1.47 | 2.00 | 1.39 | 7.33 | 1.43 | 4.67 | 1.36 | 9.33 | |
| 9 | 1 | 0.95 | 5.00 | 0.93 | 7.00 | 0.96 | 4.00 | 0.93 | 7.00 |
| Data set . | Zone . | True values (m) . | Estimated values using CSO (m) . | Absolute % error CSO . | Estimated values using PSO (m) . | Absolute % error PSO . | Estimated values using DE (m) . | Absolute % error DE . | Estimated values using GA (m)) . | Absolute % error GA . |
|---|---|---|---|---|---|---|---|---|---|---|
| Data set 1 | 1 | 6 | 5.98 | 0.25 | 5.99 | 0.02 | 5.98 | 0.33 | 5.81 | 3.17 |
| 2 | 6 | 5.91 | 1.50 | 5.99 | 0.03 | 5.96 | 0.67 | 5.72 | 4.67 | |
| 3 | 4 | 3.93 | 1.75 | 4 | 0.00 | 3.94 | 1.50 | 3.82 | 4.50 | |
| 4 | 6 | 5.98 | 0.33 | 6 | 0.00 | 5.99 | 0.17 | 5.92 | 1.33 | |
| 5 | 4 | 3.99 | 0.25 | 3.99 | 0.02 | 3.98 | 0.50 | 3.94 | 1.50 | |
| 6 | 1.5 | 1.48 | 1.33 | 1.5 | 0.00 | 1.49 | 0.67 | 1.46 | 2.67 | |
| 7 | 4 | 4 | 0.00 | 4.01 | 0.25 | 3.98 | 0.50 | 3.91 | 2.25 | |
| 8 | 1.5 | 1.5 | 0.00 | 1.479 | 1.40 | 1.5 | 0.00 | 1.48 | 1.33 | |
| 9 | 1 | 1 | 0.00 | 1 | 0.00 | 0.98 | 2.00 | 0.98 | 2.00 | |
| Data set 2: μ = 0, σ = 1 | 1 | 6 | 5.73 | 4.50 | 5.67 | 5.50 | 5.66 | 5.67 | 5.58 | 7.00 |
| 2 | 6 | 5.61 | 6.50 | 5.58 | 7.00 | 5.7 | 5.00 | 5.59 | 6.83 | |
| 3 | 4 | 3.70 | 7.50 | 3.63 | 9.25 | 3.65 | 8.75 | 3.53 | 11.75 | |
| 4 | 6 | 5.61 | 6.50 | 5.48 | 8.67 | 5.63 | 6.17 | 5.48 | 8.67 | |
| 5 | 4 | 3.77 | 5.75 | 3.57 | 10.75 | 3.69 | 7.75 | 3.5 | 12.50 | |
| 6 | 1.5 | 1.42 | 5.33 | 1.40 | 6.67 | 1.38 | 8.00 | 1.29 | 14.00 | |
| 7 | 4 | 3.84 | 4.00 | 3.68 | 8.00 | 3.77 | 5.75 | 3.62 | 9.50 | |
| 8 | 1.5 | 1.47 | 2.00 | 1.39 | 7.33 | 1.43 | 4.67 | 1.36 | 9.33 | |
| 9 | 1 | 0.95 | 5.00 | 0.93 | 7.00 | 0.96 | 4.00 | 0.93 | 7.00 |