EPASWMM5, Autodesk InfoWorks ICM_SWMM & ICM
EPASWMM5 for Hydrology, Hydraulics and Water Quality
The SWMM5 engine uses mean flow as the dry weather flow value (DWF) and not population but does allow weekday, weekend, daily and monthly patterns. You can use these many pattern options to actually use population in the SWMM5 and InfoSWMM dry weather flow tables. Here are the steps as … Read the rest
The Operation tab allows the user to control project settings relating to the management of various InfoSWMM SA operations. It should be noted that all the changes made on the Preferences dialog box must be saved prior to closing the dialog box. Many preferences set with this … Read the rest
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How to Make Scatter Graphs in InfoSWMM, InfoSWMM SA and H2OMap SWMM
Scatter graphs of velocity on the X axis and depth on the Y axis are important to help understand the reason for flow/depth relationships in flow surveys. You can make a scatter graph … Read the rest
Runoff Coefficients
Runoff coefficient is loosely defined as the ratio of runoff to rainfall, and is a function of watershed characteristics including land use, soil type, and slope of the watershed. The value of runoff coefficient ranges between 0.0 and 1.0. A value of 0.0 means that all of the … Read the rest
Example 5. Runoff Water Quality
This example demonstrates how to simulate pollutant buildup and washoff in an urban catchment. The influence of different land uses on pollutant buildup is considered and both Event Mean Concentrations (EMCs) and exponential functions are used to represent the washoff process.
Surface runoff quality is … Read the rest
Steps for Running RDII Analyst in H2OMap SWMM
Step 1. Create the RTK UH in the H2OMap SWMM Attribute Browser (AB)
Step 2. Assign the RTK UH to a node (you need one node at least to Run RDII Analyst).
Step 3. Open up RDII Analyst and Set up the … Read the rest
References for InfoSWMM and InfoSWMM SA
The facility set defines those network components (e.g., conduits, Subcatchments, pumps, junctions, etc.) that will be considered during the next InfoSWMM H2OMap SWMM InfoSWMM SAsimulation. The facility set may include the entire network model or a subset of network components. … Read the rest
SWMM 5 Loss Term Values for various velocities and K values
SWMM 5 has three loss terms available for each link: Entrance, Exit and Other losses. The Entrance loss uses the upstream link velocity, the Other loss uses the center link velocity and the Exit loss uses the downstream link … Read the rest