Subject: How Does a TYPE1 Pump Work in SWMM 5?
A SWMM 5 Type1 pump is called an offline pump but the name comes from SWMM 4 and the Pump is controlled by volume instead of depth or head as in the SWMM 5 TYPE2, TYPE3 and TYPE4 Pumps. The
Subject: How is the Orifice Setting Used in SWMM 5 RTC Rules?
The Real Time Control Rule for Orifice Setting can be a function of a Setting constant, Setting from a Curve, Setting from a PID controller and a Setting from a Time Series (Figure 1). The Setting affects … Read the rest
Subject: Low Impact Development Options in H2OMAP SWMM and InfoSWMM
The five options are:
1. Rain Barrel
2. Bio Retention Cell
3. Infiltration Trench
4. Vegetative Swale
5. Porous Pavement
and be entered as controls in the Hydrology Section of the Operations Browser of H2OMAP SWMM or InfoSWMM (Figure 1)… Read the rest
Subject: Rules for NRSCS Unit Hydrographs in InfoSWMM and H2OMap SWMM
Rules or Guidelines for NRSCS Unit Hydrographs if used as the Hydrology Option in InfoSWMM and H2OMAP SWMM:
1. The Unit Hydrograph CN comes from the Subcatchment Table and the NRCS_CN Column
2. Time of Concentration is from the … Read the rest
Subject: How to Export all of your Data to a Shapefile Using InfoSWMM
You can do this easily by using three steps which are shown in Figure 1, Figure 2 and Figure 3.
Figure 1. Export Manager Tool
Figure 2. Link and Node Export Options
Figure 3. Parameter options for … Read the rest
Subject: How to use the Flow Splitter in InfoSewer for Dendritic Networks
InfoSewer, which is an extension in Arc Map, does need to have slit split defined where gravity mains merge together to determine the amount of flow in each of the downstream conduits (Figure 1). The options for … Read the rest
Subject: A SWMM 5 Model made from the Art of Jack Yerka
The attached example SWMM 5 model has small rectangular conduits with a constant inflow based on a background image from Jack Yerka.
via Blogger http://www.swmm5.net/2013/08/a-swmm-5-model-made-from-art-of-jack.html… Read the rest
1. Make an Output Relate (using the Operations Tab of the H2OMAP SWMM Browser) which will be the same as the Pipe Summary Table in
Subject: How to Use Two Control Curves in SWMM 5 to Simulate a Head Difference Rule
The SWMM 5 control rules for Real Time Control (RTC) do not allow the rule to be governed by the head across the orifice but does allow rules based on the depth, head and
Advanced Labeling in InfoSWMM or H2OMAP SWMM to show MM or IN on a HGL Plot
Here is how to get the maximum depth shown in millimeters or inches on a HGL Plot in InfoSWMM or H2OMAP SWMM– use the OTHER LINK Dimensions option. You need to run the … Read the rest
The SWMM 4 Dynamic Wave Solution
The attached PDF file is a copy of Appendix C of the SWMM 4 manual explaining the three St Venant solutions in SWMM 4 / Extran 4. The current SWMM 5 solution in its dynamic wave solution is an adaptive time step iterative solution
The SWMM 4 Dynamic Wave Solution for ISOL=0
The attached PDF file is a copy of the Extran 3 solution in the SWMM 4 manual explaining the ISOL=0 solution in SWMM 4 / Extran 4. The current SWMM 5 solution in its dynamic wave solution is an adaptive time step
Continuous Simulation using SWMM 5 LID and Groundwater Features in a Linked 1D/2D Network using InfoSWMM 2D for a 50 Year Period
A poster at the recent ECI conference on the Past, Present and Future of Watershed modeling.
via Blogger http://www.swmm5.net/2013/08/continuous-simulation-using-swmm-5-lid.html… Read the rest
How to Create an InfoSWMM model from CSV Files
An InfoSWMM model can be newly created from a CSV file but it helps to have a background map or shapefile to initialize the Arc Map project. BEFORE initializing yourInfoSWMM map Add a data layer using the Arc Map command … Read the rest
InfoSewer Minimum Travel Time Sensitivity
The three Run manager parameters, Maximum Number of Segments, Minimum Travel Distance and the Minimum Travel Time in InfoSewer and H2OMAP Sewer affect the shape and flow attenuation of the flow in a link. The effect of decreasing the Minimum Travel Time is to reduce … Read the rest
How to Create an InfoSWMM model from CSV Files, Alternate Method
An InfoSWMM model can be newly created from a CSV file but it helps to have an idea of the maximum extents before you initialize the Arc Map project. Use the ArcGIS default and Edit the extents of … Read the rest
The Structure of InfoSWMM in Arc Map
via Blogger http://www.swmm5.net/2013/08/the-structure-of-infoswmm-in-arc-map.html… Read the rest
Siphon Modeling in InfoSewer and Arc Map
Here is at typical view of a siphon in InfoSewer, the rising links have a d/D of 1 and the dropping links typically have a d/D value less than 1. The q/Q for the rising links is based on the slope and … Read the rest