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Some nodes were chosen amongst all nodes for their representation of the full domain and to best illustrate the correlations between the models and are presented in Table 1 and Figure 6. Figure 6 top row shows the head for each represented manhole whereas the bottom row presents the discharge. A positive discharge represents a surface to sewer discharge whilst a negative one shows a surcharge from the sewer system.
Table 1

Manhole elevation, 2D models elevations, and correlation coefficients for the selected nodes (2190, 3056, 3004, 3079, 1912, and 3067)

    219030563004307919123067
  Elevation [m] PDWAVE 85.33 85.26 85.15 86.42 84.55 84.27 
GWM and SWE 85.37 85.16 85.07 86.42 84.68 84.35 
Manhole Bottom 81.688 84.25 83.69 84.72 83.6 83.507 
Manhole Crest 85.368 85.132 85.085 86.38 84.718 84.347 
NRMSE Head [−] SWE vs. GWM 0.0139 0.0026 0.0029 0.0053 0.0036 0.0064 
SWE vs. PDWAVE 0.1067 0.0481 0.0193 0.0394 0.0152 0.0194 
GWM vs. PDWAVE 0.1003 0.0479 0.02 0.0401 0.0157 0.0197 
Average 0.0736 0.0329 0.0141 0.0283 0.0115 0.0152 
Balance [−] SWE vs. GWM 0.0764 0.0018 0.0025 0.0129 0.0033 0.0028 
SWE vs. PDWAVE 0.4048 0.0571 0.0299 0.0313 0.0203 0.0084 
GWM vs. PDWAVE 0.1693 0.0578 0.0316 0.0328 0.0202 0.0083 
Average 0.2168 0.0389 0.0213 0.0257 0.0146 0.0065 
    219030563004307919123067
  Elevation [m] PDWAVE 85.33 85.26 85.15 86.42 84.55 84.27 
GWM and SWE 85.37 85.16 85.07 86.42 84.68 84.35 
Manhole Bottom 81.688 84.25 83.69 84.72 83.6 83.507 
Manhole Crest 85.368 85.132 85.085 86.38 84.718 84.347 
NRMSE Head [−] SWE vs. GWM 0.0139 0.0026 0.0029 0.0053 0.0036 0.0064 
SWE vs. PDWAVE 0.1067 0.0481 0.0193 0.0394 0.0152 0.0194 
GWM vs. PDWAVE 0.1003 0.0479 0.02 0.0401 0.0157 0.0197 
Average 0.0736 0.0329 0.0141 0.0283 0.0115 0.0152 
Balance [−] SWE vs. GWM 0.0764 0.0018 0.0025 0.0129 0.0033 0.0028 
SWE vs. PDWAVE 0.4048 0.0571 0.0299 0.0313 0.0203 0.0084 
GWM vs. PDWAVE 0.1693 0.0578 0.0316 0.0328 0.0202 0.0083 
Average 0.2168 0.0389 0.0213 0.0257 0.0146 0.0065 
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Figure 6
Figure 6. Manhole Head and Discharges for the selected nodes (2190, 3056, 3004, 3079, 1912, and 3067).
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Manhole Head and Discharges for the selected nodes (2190, 3056, 3004, 3079, 1912, and 3067).

Figure 6
Figure 6. Manhole Head and Discharges for the selected nodes (2190, 3056, 3004, 3079, 1912, and 3067).
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Manhole Head and Discharges for the selected nodes (2190, 3056, 3004, 3079, 1912, and 3067).

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