Zhan et al. (2006): three nylon nets as planar panels at 0°, 30° and 60° (L8, tabulated). Sₙ = 2d/Δl at K = 1 is asserted; K = 1.16 is reported only (lead ruling R2). The same nets as a rigid cylinder (S2), its wake (W9), the solver continuity across a wake rebuild (S6) and the towed-panel checks through the SimObject (S1) are in fhsim_marine_elements' validation report, pages Validation: Zhan 2006 cylinder (S2, W9, S6) and Validation: towed panel through the SimObject (S1).
Known misfit, disclosed by owner decision (2026-09-27; lift revised by the ruling of 2026-10-13, MARE-0110). The default law LocalThroughFlow takes its lift from the MF2022 Eq. 10 lift-to-drag ratio and agrees with MF2022 at 0° and 45°, but its two-harmonic KF2012 Eq. 14 angle form misfits the angle dependence of Rudi, Løland and Zhan at 60–80°; no choice of a3 and b4 fixes it (L9), and its replacement is MARE-0131 (fhsim_marine_elements). 10 load-law tests fail and stay DISABLED_, each with its reason in 11.4 The default law's lift and angle form against the data (MARE-0110, MARE-0131); nothing is tuned to pass them.
Generated 2026-10-13 from commit 063a04d 2026-10-13; tests run 2026-10-13T11:04:54.092.
Tests
Status from the gtest XML of the last run. A DISABLED_ test fails against the current laws; its numbers are in the tables below, and it stays disabled until the owner decides the issue.
Conventions: error = model/measured - 1 (in %) for loads and coefficients, model - measured for ratios and localCd; ratio = measured/model; margin = tolerance - |error| (negative = fails).
Setup from zhan2006_nets.csv: panel area 0.9100 m^2, rho 1000 (plan assumption), nu 1.0080e-06 (mean v d / Re). Sn = K s, twine = d. Asserted: K = 1, induction on, v >= 0.50 m/s; the 0.25 m/s rows and K = 1.16 are reported only.
L8 absolute R0, induction on (default law), K = 1, all speeds (v >= 0.5: asserted)
asserted; 12 rows, 0 of 12 outside the tolerance.
Chart: L8 absolute R0, induction on (default law), K = 1, all speeds (v >= 0.5: asserted); L8 absolute R0, induction off, K = 1, all speeds (v >= 0.5: reported); L8 absolute R0, induction on, K = 1.16, all speeds (v >= 0.5: reported); L8 absolute R0, induction off, K = 1.16, all speeds (v >= 0.5: reported).
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R0 [N]
11.77
9.603
-18.411 %
±20.000 %
1.589 %
within
s 0.223 v 0.50 R0 [N]
38.26
33.47
-12.519 %
±20.000 %
7.481 %
within
s 0.223 v 0.75 R0 [N]
82.89
70.66
-14.760 %
±20.000 %
5.240 %
within
s 0.223 v 1.00 R0 [N]
145.7
123
-15.570 %
±20.000 %
4.430 %
within
s 0.128 v 0.25 R0 [N]
6.38
5.545
-13.091 %
±20.000 %
6.909 %
within
s 0.128 v 0.50 R0 [N]
20.11
20.2
0.424 %
±20.000 %
19.576 %
within
s 0.128 v 0.75 R0 [N]
43.65
41.92
-3.958 %
±20.000 %
16.042 %
within
s 0.128 v 1.00 R0 [N]
76.52
70.37
-8.036 %
±20.000 %
11.964 %
within
s 0.215 v 0.25 R0 [N]
11.28
10.09
-10.532 %
±20.000 %
9.468 %
within
s 0.215 v 0.50 R0 [N]
38.26
37.02
-3.243 %
±20.000 %
16.757 %
within
s 0.215 v 0.75 R0 [N]
78.48
77
-1.887 %
±20.000 %
18.113 %
within
s 0.215 v 1.00 R0 [N]
138.8
129.1
-6.986 %
±20.000 %
13.014 %
within
L8 absolute R0, induction off, K = 1, all speeds (v >= 0.5: reported)
reported; 12 rows, 0 of 12 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R0 [N]
11.77
10.92
-7.249 %
±20.000 %
12.751 %
within
s 0.223 v 0.50 R0 [N]
38.26
38.04
-0.574 %
±20.000 %
19.426 %
within
s 0.223 v 0.75 R0 [N]
82.89
80.77
-2.553 %
±20.000 %
17.447 %
within
s 0.223 v 1.00 R0 [N]
145.7
141.4
-2.906 %
±20.000 %
17.094 %
within
s 0.128 v 0.25 R0 [N]
6.38
5.787
-9.298 %
±20.000 %
10.702 %
within
s 0.128 v 0.50 R0 [N]
20.11
21.03
4.579 %
±20.000 %
15.421 %
within
s 0.128 v 0.75 R0 [N]
43.65
43.64
-0.033 %
±20.000 %
19.967 %
within
s 0.128 v 1.00 R0 [N]
76.52
73.28
-4.235 %
±20.000 %
15.765 %
within
s 0.215 v 0.25 R0 [N]
11.28
11.46
1.636 %
±20.000 %
18.364 %
within
s 0.215 v 0.50 R0 [N]
38.26
41.78
9.204 %
±20.000 %
10.796 %
within
s 0.215 v 0.75 R0 [N]
78.48
86.74
10.530 %
±20.000 %
9.470 %
within
s 0.215 v 1.00 R0 [N]
138.8
145.6
4.886 %
±20.000 %
15.114 %
within
L8 absolute R0, induction on, K = 1.16, all speeds (v >= 0.5: reported)
reported; 12 rows, 0 of 12 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R0 [N]
11.77
11.49
-2.365 %
±20.000 %
17.635 %
within
s 0.223 v 0.50 R0 [N]
38.26
40.04
4.661 %
±20.000 %
15.339 %
within
s 0.223 v 0.75 R0 [N]
82.89
84.72
2.210 %
±20.000 %
17.790 %
within
s 0.223 v 1.00 R0 [N]
145.7
147.8
1.478 %
±20.000 %
18.522 %
within
s 0.128 v 0.25 R0 [N]
6.38
6.529
2.332 %
±20.000 %
17.668 %
within
s 0.128 v 0.50 R0 [N]
20.11
23.75
18.090 %
±20.000 %
1.910 %
within
s 0.128 v 0.75 R0 [N]
43.65
49.28
12.903 %
±20.000 %
7.097 %
within
s 0.128 v 1.00 R0 [N]
76.52
82.75
8.138 %
±20.000 %
11.862 %
within
s 0.215 v 0.25 R0 [N]
11.28
12.09
7.167 %
±20.000 %
12.833 %
within
s 0.215 v 0.50 R0 [N]
38.26
44.23
15.594 %
±20.000 %
4.406 %
within
s 0.215 v 0.75 R0 [N]
78.48
91.92
17.119 %
±20.000 %
2.881 %
within
s 0.215 v 1.00 R0 [N]
138.8
154.2
11.068 %
±20.000 %
8.932 %
within
L8 absolute R0, induction off, K = 1.16, all speeds (v >= 0.5: reported)
reported; 12 rows, 8 of 12 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R0 [N]
11.77
13.51
14.797 %
±20.000 %
5.203 %
within
s 0.223 v 0.50 R0 [N]
38.26
47.11
23.122 %
±20.000 %
-3.122 %
outside
s 0.223 v 0.75 R0 [N]
82.89
100.5
21.187 %
±20.000 %
-1.187 %
outside
s 0.223 v 1.00 R0 [N]
145.7
176.6
21.233 %
±20.000 %
-1.233 %
outside
s 0.128 v 0.25 R0 [N]
6.38
6.948
8.896 %
±20.000 %
11.104 %
within
s 0.128 v 0.50 R0 [N]
20.11
25.19
25.269 %
±20.000 %
-5.269 %
outside
s 0.128 v 0.75 R0 [N]
43.65
52.24
19.690 %
±20.000 %
0.310 %
within
s 0.128 v 1.00 R0 [N]
76.52
87.79
14.722 %
±20.000 %
5.278 %
within
s 0.215 v 0.25 R0 [N]
11.28
14.21
25.972 %
±20.000 %
-5.972 %
outside
s 0.215 v 0.50 R0 [N]
38.26
51.56
34.763 %
±20.000 %
-14.763 %
outside
s 0.215 v 0.75 R0 [N]
78.48
106.9
36.270 %
±20.000 %
-16.270 %
outside
s 0.215 v 1.00 R0 [N]
138.8
179.7
29.432 %
±20.000 %
-9.432 %
outside
L8 R30/R0 and R60/R0, induction on (default law), K = 1, all speeds (v >= 0.5: DISABLED_, fails)
DISABLED test; 24 rows, 8 of 24 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R30/R0
0.8088
0.8054
-0.003
±0.1
0.097
within
s 0.223 v 0.25 R60/R0
0.5004
0.395
-0.105
±0.1
-0.005
outside
s 0.223 v 0.50 R30/R0
0.8231
0.8054
-0.018
±0.1
0.082
within
s 0.223 v 0.50 R60/R0
0.5052
0.395
-0.11
±0.1
-0.01
outside
s 0.223 v 0.75 R30/R0
0.7669
0.8054
0.038
±0.1
0.062
within
s 0.223 v 0.75 R60/R0
0.5445
0.395
-0.149
±0.1
-0.049
outside
s 0.223 v 1.00 R30/R0
0.8249
0.8054
-0.019
±0.1
0.081
within
s 0.223 v 1.00 R60/R0
0.5791
0.395
-0.184
±0.1
-0.084
outside
s 0.128 v 0.25 R30/R0
1.307
0.8054
-0.502
±0.1
-0.402
outside
s 0.128 v 0.25 R60/R0
0.5376
0.395
-0.143
±0.1
-0.043
outside
s 0.128 v 0.50 R30/R0
0.7708
0.8054
0.035
±0.1
0.065
within
s 0.128 v 0.50 R60/R0
0.4048
0.395
-0.01
±0.1
0.09
within
s 0.128 v 0.75 R30/R0
0.6742
0.8054
0.131
±0.1
-0.031
outside
s 0.128 v 0.75 R60/R0
0.4541
0.395
-0.059
±0.1
0.041
within
s 0.128 v 1.00 R30/R0
0.7756
0.8054
0.03
±0.1
0.07
within
s 0.128 v 1.00 R60/R0
0.5141
0.395
-0.119
±0.1
-0.019
outside
s 0.215 v 0.25 R30/R0
0.8697
0.8054
-0.064
±0.1
0.036
within
s 0.215 v 0.25 R60/R0
0.3652
0.395
0.03
±0.1
0.07
within
s 0.215 v 0.50 R30/R0
0.759
0.8054
0.046
±0.1
0.054
within
s 0.215 v 0.50 R60/R0
0.3769
0.395
0.018
±0.1
0.082
within
s 0.215 v 0.75 R30/R0
0.7313
0.8054
0.074
±0.1
0.026
within
s 0.215 v 0.75 R60/R0
0.4376
0.395
-0.043
±0.1
0.057
within
s 0.215 v 1.00 R30/R0
0.8092
0.8054
-0.004
±0.1
0.096
within
s 0.215 v 1.00 R60/R0
0.4771
0.395
-0.082
±0.1
0.018
within
L8 R30/R0 and R60/R0, induction off, K = 1, all speeds (v >= 0.5: reported)
reported; 24 rows, 8 of 24 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R30/R0
0.8088
0.8054
-0.003
±0.1
0.097
within
s 0.223 v 0.25 R60/R0
0.5004
0.395
-0.105
±0.1
-0.005
outside
s 0.223 v 0.50 R30/R0
0.8231
0.8054
-0.018
±0.1
0.082
within
s 0.223 v 0.50 R60/R0
0.5052
0.395
-0.11
±0.1
-0.01
outside
s 0.223 v 0.75 R30/R0
0.7669
0.8054
0.038
±0.1
0.062
within
s 0.223 v 0.75 R60/R0
0.5445
0.395
-0.149
±0.1
-0.049
outside
s 0.223 v 1.00 R30/R0
0.8249
0.8054
-0.019
±0.1
0.081
within
s 0.223 v 1.00 R60/R0
0.5791
0.395
-0.184
±0.1
-0.084
outside
s 0.128 v 0.25 R30/R0
1.307
0.8054
-0.502
±0.1
-0.402
outside
s 0.128 v 0.25 R60/R0
0.5376
0.395
-0.143
±0.1
-0.043
outside
s 0.128 v 0.50 R30/R0
0.7708
0.8054
0.035
±0.1
0.065
within
s 0.128 v 0.50 R60/R0
0.4048
0.395
-0.01
±0.1
0.09
within
s 0.128 v 0.75 R30/R0
0.6742
0.8054
0.131
±0.1
-0.031
outside
s 0.128 v 0.75 R60/R0
0.4541
0.395
-0.059
±0.1
0.041
within
s 0.128 v 1.00 R30/R0
0.7756
0.8054
0.03
±0.1
0.07
within
s 0.128 v 1.00 R60/R0
0.5141
0.395
-0.119
±0.1
-0.019
outside
s 0.215 v 0.25 R30/R0
0.8697
0.8054
-0.064
±0.1
0.036
within
s 0.215 v 0.25 R60/R0
0.3652
0.395
0.03
±0.1
0.07
within
s 0.215 v 0.50 R30/R0
0.759
0.8054
0.046
±0.1
0.054
within
s 0.215 v 0.50 R60/R0
0.3769
0.395
0.018
±0.1
0.082
within
s 0.215 v 0.75 R30/R0
0.7313
0.8054
0.074
±0.1
0.026
within
s 0.215 v 0.75 R60/R0
0.4376
0.395
-0.043
±0.1
0.057
within
s 0.215 v 1.00 R30/R0
0.8092
0.8054
-0.004
±0.1
0.096
within
s 0.215 v 1.00 R60/R0
0.4771
0.395
-0.082
±0.1
0.018
within
L8 R30/R0 and R60/R0, induction on, K = 1.16, all speeds (v >= 0.5: reported)
reported; 24 rows, 8 of 24 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R30/R0
0.8088
0.8054
-0.003
±0.1
0.097
within
s 0.223 v 0.25 R60/R0
0.5004
0.395
-0.105
±0.1
-0.005
outside
s 0.223 v 0.50 R30/R0
0.8231
0.8054
-0.018
±0.1
0.082
within
s 0.223 v 0.50 R60/R0
0.5052
0.395
-0.11
±0.1
-0.01
outside
s 0.223 v 0.75 R30/R0
0.7669
0.8054
0.038
±0.1
0.062
within
s 0.223 v 0.75 R60/R0
0.5445
0.395
-0.149
±0.1
-0.049
outside
s 0.223 v 1.00 R30/R0
0.8249
0.8054
-0.019
±0.1
0.081
within
s 0.223 v 1.00 R60/R0
0.5791
0.395
-0.184
±0.1
-0.084
outside
s 0.128 v 0.25 R30/R0
1.307
0.8054
-0.502
±0.1
-0.402
outside
s 0.128 v 0.25 R60/R0
0.5376
0.395
-0.143
±0.1
-0.043
outside
s 0.128 v 0.50 R30/R0
0.7708
0.8054
0.035
±0.1
0.065
within
s 0.128 v 0.50 R60/R0
0.4048
0.395
-0.01
±0.1
0.09
within
s 0.128 v 0.75 R30/R0
0.6742
0.8054
0.131
±0.1
-0.031
outside
s 0.128 v 0.75 R60/R0
0.4541
0.395
-0.059
±0.1
0.041
within
s 0.128 v 1.00 R30/R0
0.7756
0.8054
0.03
±0.1
0.07
within
s 0.128 v 1.00 R60/R0
0.5141
0.395
-0.119
±0.1
-0.019
outside
s 0.215 v 0.25 R30/R0
0.8697
0.8054
-0.064
±0.1
0.036
within
s 0.215 v 0.25 R60/R0
0.3652
0.395
0.03
±0.1
0.07
within
s 0.215 v 0.50 R30/R0
0.759
0.8054
0.046
±0.1
0.054
within
s 0.215 v 0.50 R60/R0
0.3769
0.395
0.018
±0.1
0.082
within
s 0.215 v 0.75 R30/R0
0.7313
0.8054
0.074
±0.1
0.026
within
s 0.215 v 0.75 R60/R0
0.4376
0.395
-0.043
±0.1
0.057
within
s 0.215 v 1.00 R30/R0
0.8092
0.8054
-0.004
±0.1
0.096
within
s 0.215 v 1.00 R60/R0
0.4771
0.395
-0.082
±0.1
0.018
within
L8 R30/R0 and R60/R0, induction off, K = 1.16, all speeds (v >= 0.5: reported)
reported; 24 rows, 8 of 24 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 v 0.25 R30/R0
0.8088
0.8054
-0.003
±0.1
0.097
within
s 0.223 v 0.25 R60/R0
0.5004
0.395
-0.105
±0.1
-0.005
outside
s 0.223 v 0.50 R30/R0
0.8231
0.8054
-0.018
±0.1
0.082
within
s 0.223 v 0.50 R60/R0
0.5052
0.395
-0.11
±0.1
-0.01
outside
s 0.223 v 0.75 R30/R0
0.7669
0.8054
0.038
±0.1
0.062
within
s 0.223 v 0.75 R60/R0
0.5445
0.395
-0.149
±0.1
-0.049
outside
s 0.223 v 1.00 R30/R0
0.8249
0.8054
-0.019
±0.1
0.081
within
s 0.223 v 1.00 R60/R0
0.5791
0.395
-0.184
±0.1
-0.084
outside
s 0.128 v 0.25 R30/R0
1.307
0.8054
-0.502
±0.1
-0.402
outside
s 0.128 v 0.25 R60/R0
0.5376
0.395
-0.143
±0.1
-0.043
outside
s 0.128 v 0.50 R30/R0
0.7708
0.8054
0.035
±0.1
0.065
within
s 0.128 v 0.50 R60/R0
0.4048
0.395
-0.01
±0.1
0.09
within
s 0.128 v 0.75 R30/R0
0.6742
0.8054
0.131
±0.1
-0.031
outside
s 0.128 v 0.75 R60/R0
0.4541
0.395
-0.059
±0.1
0.041
within
s 0.128 v 1.00 R30/R0
0.7756
0.8054
0.03
±0.1
0.07
within
s 0.128 v 1.00 R60/R0
0.5141
0.395
-0.119
±0.1
-0.019
outside
s 0.215 v 0.25 R30/R0
0.8697
0.8054
-0.064
±0.1
0.036
within
s 0.215 v 0.25 R60/R0
0.3652
0.395
0.03
±0.1
0.07
within
s 0.215 v 0.50 R30/R0
0.759
0.8054
0.046
±0.1
0.054
within
s 0.215 v 0.50 R60/R0
0.3769
0.395
0.018
±0.1
0.082
within
s 0.215 v 0.75 R30/R0
0.7313
0.8054
0.074
±0.1
0.026
within
s 0.215 v 0.75 R60/R0
0.4376
0.395
-0.043
±0.1
0.057
within
s 0.215 v 1.00 R30/R0
0.8092
0.8054
-0.004
±0.1
0.096
within
s 0.215 v 1.00 R60/R0
0.4771
0.395
-0.082
±0.1
0.018
within
L8 speed trend at 0 deg, default law, K = 1, all speeds (asserted for v >= 0.5)
asserted; 12 rows, 0 of 12 outside the tolerance.
Chart: L8 speed trend at 0 deg, default law, K = 1, all speeds (asserted for v >= 0.5); L8 speed trend at 0 deg, induction off, K = 1 (reported); L8 speed trend at 0 deg, default law, K = 1.16 (reported).
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 R0(0.25)/R0(1.00)
0.08079
0.07807
-3.365 %
±10.000 %
6.635 %
within
s 0.223 R0(0.50)/R0(1.00)
0.2626
0.2721
3.613 %
±10.000 %
6.387 %
within
s 0.223 R0(0.75)/R0(1.00)
0.569
0.5744
0.959 %
±10.000 %
9.041 %
within
s 0.223 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.128 R0(0.25)/R0(1.00)
0.08338
0.07879
-5.497 %
±10.000 %
4.503 %
within
s 0.128 R0(0.50)/R0(1.00)
0.2628
0.287
9.200 %
±10.000 %
0.800 %
within
s 0.128 R0(0.75)/R0(1.00)
0.5704
0.5957
4.434 %
±10.000 %
5.566 %
within
s 0.128 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.215 R0(0.25)/R0(1.00)
0.08126
0.07816
-3.812 %
±10.000 %
6.188 %
within
s 0.215 R0(0.50)/R0(1.00)
0.2756
0.2867
4.025 %
±10.000 %
5.975 %
within
s 0.215 R0(0.75)/R0(1.00)
0.5654
0.5964
5.482 %
±10.000 %
4.518 %
within
s 0.215 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
L8 speed trend at 30 and 60 deg, default law, K = 1, all speeds (DISABLED_, fails)
DISABLED test; 24 rows, 12 of 24 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 R30(0.25)/R30(1.00)
0.07922
0.07807
-1.447 %
±10.000 %
8.553 %
within
s 0.223 R60(0.25)/R60(1.00)
0.06981
0.07807
11.836 %
±10.000 %
-1.836 %
outside
s 0.223 R30(0.50)/R30(1.00)
0.262
0.2721
3.844 %
±10.000 %
6.156 %
within
s 0.223 R60(0.50)/R60(1.00)
0.2291
0.2721
18.772 %
±10.000 %
-8.772 %
outside
s 0.223 R30(0.75)/R30(1.00)
0.529
0.5744
8.590 %
±10.000 %
1.410 %
within
s 0.223 R60(0.75)/R60(1.00)
0.5349
0.5744
7.391 %
±10.000 %
2.609 %
within
s 0.223 R30(1.00)/R30(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.223 R60(1.00)/R60(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.128 R30(0.25)/R30(1.00)
0.1405
0.07879
-43.928 %
±10.000 %
-33.928 %
outside
s 0.128 R60(0.25)/R60(1.00)
0.08719
0.07879
-9.628 %
±10.000 %
0.372 %
within
s 0.128 R30(0.50)/R30(1.00)
0.2612
0.287
9.887 %
±10.000 %
0.113 %
within
s 0.128 R60(0.50)/R60(1.00)
0.2069
0.287
38.698 %
±10.000 %
-28.698 %
outside
s 0.128 R30(0.75)/R30(1.00)
0.4959
0.5957
20.139 %
±10.000 %
-10.139 %
outside
s 0.128 R60(0.75)/R60(1.00)
0.5038
0.5957
18.245 %
±10.000 %
-8.245 %
outside
s 0.128 R30(1.00)/R30(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.128 R60(1.00)/R60(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.215 R30(0.25)/R30(1.00)
0.08734
0.07816
-10.505 %
±10.000 %
-0.505 %
outside
s 0.215 R60(0.25)/R60(1.00)
0.06222
0.07816
25.633 %
±10.000 %
-15.633 %
outside
s 0.215 R30(0.50)/R30(1.00)
0.2585
0.2867
10.897 %
±10.000 %
-0.897 %
outside
s 0.215 R60(0.50)/R60(1.00)
0.2178
0.2867
31.669 %
±10.000 %
-21.669 %
outside
s 0.215 R30(0.75)/R30(1.00)
0.511
0.5964
16.718 %
±10.000 %
-6.718 %
outside
s 0.215 R60(0.75)/R60(1.00)
0.5186
0.5964
15.002 %
±10.000 %
-5.002 %
outside
s 0.215 R30(1.00)/R30(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.215 R60(1.00)/R60(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
L8 speed trend at 0 deg, induction off, K = 1 (reported)
reported; 12 rows, 0 of 12 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 R0(0.25)/R0(1.00)
0.08079
0.07718
-4.473 %
±10.000 %
5.527 %
within
s 0.223 R0(0.50)/R0(1.00)
0.2626
0.2689
2.402 %
±10.000 %
7.598 %
within
s 0.223 R0(0.75)/R0(1.00)
0.569
0.5711
0.363 %
±10.000 %
9.637 %
within
s 0.223 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.128 R0(0.25)/R0(1.00)
0.08338
0.07897
-5.288 %
±10.000 %
4.712 %
within
s 0.128 R0(0.50)/R0(1.00)
0.2628
0.287
9.204 %
±10.000 %
0.796 %
within
s 0.128 R0(0.75)/R0(1.00)
0.5704
0.5955
4.387 %
±10.000 %
5.613 %
within
s 0.128 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.215 R0(0.25)/R0(1.00)
0.08126
0.07874
-3.098 %
±10.000 %
6.902 %
within
s 0.215 R0(0.50)/R0(1.00)
0.2756
0.287
4.117 %
±10.000 %
5.883 %
within
s 0.215 R0(0.75)/R0(1.00)
0.5654
0.5958
5.381 %
±10.000 %
4.619 %
within
s 0.215 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
L8 speed trend at 0 deg, default law, K = 1.16 (reported)
reported; 12 rows, 0 of 12 outside the tolerance.
Case
Measured
Model
Error
Tolerance
Margin
Result
s 0.223 R0(0.25)/R0(1.00)
0.08079
0.07773
-3.786 %
±10.000 %
6.214 %
within
s 0.223 R0(0.50)/R0(1.00)
0.2626
0.2709
3.137 %
±10.000 %
6.863 %
within
s 0.223 R0(0.75)/R0(1.00)
0.569
0.5731
0.722 %
±10.000 %
9.278 %
within
s 0.223 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.128 R0(0.25)/R0(1.00)
0.08338
0.0789
-5.369 %
±10.000 %
4.631 %
within
s 0.128 R0(0.50)/R0(1.00)
0.2628
0.287
9.204 %
±10.000 %
0.796 %
within
s 0.128 R0(0.75)/R0(1.00)
0.5704
0.5956
4.406 %
±10.000 %
5.594 %
within
s 0.128 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
s 0.215 R0(0.25)/R0(1.00)
0.08126
0.07841
-3.513 %
±10.000 %
6.487 %
within
s 0.215 R0(0.50)/R0(1.00)
0.2756
0.2869
4.075 %
±10.000 %
5.925 %
within
s 0.215 R0(0.75)/R0(1.00)
0.5654
0.5962
5.448 %
±10.000 %
4.552 %
within
s 0.215 R0(1.00)/R0(1.00)
1
1
0.000 %
±10.000 %
10.000 %
within
Data provenance
Every measured number in the tables above comes from these files (contract C6); the header of each gives the paper, the table or figure, how it was obtained and its uncertainty.
zhan2006_nets.csv
tests/data/zhan2006_nets.csv, 12 rows.
Field
Value
source
Zhan JM, Jia XP, Li YS, Sun MG, Guo GX, Hu YZ (2006), Aquacultural Engineering 35, 91-101 (Zhan 2006)
location
§2 text (journal p. 93, PDF p. 3) for s, d, dl; Tables 4-6 (journal pp. 97-98, PDF pp. 7-8) for Cd, Re and the cylinder Cd
kind
tabulated
uncertainty
as published (values copied exactly)
units
s [-], d_mm [mm], dl_mm [mm], v_m_s [m/s], cd_planar [-], re [-], cd_cylinder [-]
notes
Nylon nets, all of square diamond pattern; Zhan do not say whether they are knotted. s = 2d/dl (Zhan §1), with no knot term: the tests use Sn = s at K = 1 (lead ruling R2); K = 1.16 is a reconciliation hypothesis, reported only.
notes
cd_planar is the normal-incidence net Cd of Zhan Eq. 2 (R0 = Cd 0.5 rho v^2 L d, L approx. 2 * net area / dl); re = v d / nu; cd_cylinder is the single-circular-cylinder Cd at that Re quoted by Zhan.
notes
Zhan state neither the water density nor nu. nu = v d / Re = 1.006e-6 to 1.010e-6 m2/s over the rows (mean 1.008e-6). rho = 1000 kg/m3 (fresh water) is an assumption of the plan, not a statement of the paper. Towing tank 204 m x 6 m x 3 m deep (§2); planar net 1.3 x 0.7 m, cylinder D 0.414 x H 0.7 m (Fig. 1).
Zhan JM, Jia XP, Li YS, Sun MG, Guo GX, Hu YZ (2006), Analytical and experimental investigation of drag on nets of fish cages, Aquacultural Engineering 35, 91-101 (Zhan 2006)
location
Tables 1-3, planar net drag (journal pp. 95-96, PDF pp. 5-6)
kind
tabulated
uncertainty
as published (values copied exactly); balance error < 5 %, frame-interaction error < 3 % (Zhan §2); each test repeated twice
Planar nylon net 1.3 x 0.7 m on a rigid frame of 20 mm steel bars (Fig. 1a); R0, R30, R60 are the net drag along the towing direction at theta = 0, 30, 60 deg between panel normal and flow, frame drag subtracted. Rows: Table 1 (s 0.223), Table 2 (s 0.128), Table 3 (s 0.215).
notes
s = 2d/dl as defined by Zhan (no knot term); the tests use Sn = s at K = 1 (lead ruling R2); K = 1.16 is reported only. The 0.25 m/s row of Table 2 has R30 > R0, a sign of noise (plan L8: reported, not asserted).