Outfall head bug downstream of filled_circular pipe

[MitchHeineman]

When a filled_circular pipe lies immediately upstream of an outfall, hydraulic depth in the outfall is pinned at zero for both free and normal boundary conditions. This issue is present in all SWMM versions going back to at least 5.0.013

[TITLE] ;;Project Title/Notes SWMM 5.2.4 bug for outfall downstream of filled circular pipe Head at MH13 incorrectly pinned at zero M. Heineman, Dec. 2023

[OPTIONS] ;;Option Value FLOW_UNITS GPM FLOW_ROUTING DYNWAVE LINK_OFFSETS DEPTH

START_DATE 04/17/2023 START_TIME 00:00:00 REPORT_START_DATE 04/17/2023 REPORT_START_TIME 02:00:00 END_DATE 04/20/2023 END_TIME 12:00:00 REPORT_STEP 00:05:00 ROUTING_STEP 0:00:01

[JUNCTIONS] ;;Name Elevation MaxDepth InitDepth SurDepth Aponded
;;-------------- ---------- ---------- ---------- ---------- ---------- MH15 37.1 14.5 0 0 0
MH17 37.5 14 0 0 0
MH17a 37.5 14 0 0 0
MH15a 37.1 14.5 0 0 0

[OUTFALLS] ;;Name Elevation Type Stage Data Gated Route To
;;-------------- ---------- ---------- ---------------- -------- ---------------- MH13 36.8 FREE NO
MH13a 36.8 FREE NO

[CONDUITS] ;;Name From Node To Node Length Roughness InOffset OutOffset InitFlow MaxFlow
;;-------------- ---------------- ---------------- ---------- ---------- ---------- ---------- ---------- ---------- MH17 MH17 MH15 1054 0.013 0 0 0 0
MH15 MH15 MH13 923 0.013 0 0 0 0
MH17a MH17a MH15a 1054 0.013 0 0 0 0
MH15a MH15a MH13a 923 0.013 0 0 0 0

[XSECTIONS] ;;Link Shape Geom1 Geom2 Geom3 Geom4 Barrels Culvert
;;-------------- ------------ ---------------- ---------- ---------- ---------- ---------- ---------- MH17 CIRCULAR 4.5 0 0 0 1
MH15 FILLED_CIRCULAR 4.5 0.1 0 0 1
MH17a CIRCULAR 4.5 0 0 0 1
MH15a CIRCULAR 4.5 0 0 0 1

[INFLOWS] ;;Node Constituent Time Series Type Mfactor Sfactor Baseline Pattern ;;-------------- ---------------- ---------------- -------- -------- -------- -------- -------- MH17 FLOW FlowScenarios FLOW 1.0 1.0
MH17a FLOW FlowScenarios FLOW 1.0 1.0

[TIMESERIES] ;;Name Date Time Value
;;-------------- ---------- ---------- ---------- FlowScenarios 0 1075
FlowScenarios 13 1075
FlowScenarios 13.1 2150
FlowScenarios 24 2150
FlowScenarios 24.1 2950
FlowScenarios 36 2950
FlowScenarios 36.1 7000
FlowScenarios 48 7000
FlowScenarios 48.1 9500
FlowScenarios 60 9500
FlowScenarios 72 1075
FlowScenarios 120 1075

[COORDINATES] ;;Node X-Coord Y-Coord
;;-------------- ------------------ ------------------ MH15 444158.723 626513.005
MH17 443280.476 626538.351
MH17a 443281.743 626257.008
MH15a 444165.059 626277.285
MH13 445143.481 626468.895
MH13a 445145.958 626249.404