Month: January 2011

22 Jan

Cutoff Divider in the SWMM 5 Kinematic Wave Solution

By Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM Founder http://robertdickinson.org, Chair/TAC at http://CIMM.ORG SWMM5 , No Comments
Subject: Cutoff Divider in the SWMM 5 Kinematic Wave Solution

A divider node in the SWMM 5 Kinematic Wave solution will divide the inflow to a node for two downstream links based on three criteria:

1. Cutoff Divider,
2. Tabular Divider, and
3. Weir Divider

The rule for a Cutoff

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20 Jan

SWMM 5 Slope Rules

By Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM Founder http://robertdickinson.org, Chair/TAC at http://CIMM.ORG SWMM5 , No Comments
Note: SWMM 5 Slope Rules

The relationship between the upstream and downstream node invert and offset elevations, the input conduit length and the slope used in the SWMM 5 simulation are shown in Figure 1.

Figure 1.  Slope, length and elevation drop relationship relationships in SWMM 5.

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8 Jan

SWMM 5.0.021 has 16 Overall Modeling Objects

By Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM Founder http://robertdickinson.org, Chair/TAC at http://CIMM.ORG SWMM5 , , No Comments
1.   General
2.   Subcatchments
3.   Nodes
4.   Links

The objects in the General category can be applied to more than one category. For example, you can simulate pollutants either at a node or at the subcatchment level.

The objects are:

1.           Gage
2.           Links
3.           Shape
4.           Transect
5.           Nodes
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4 Jan

How to add a volume variable to SWMM 5

By Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM Founder http://robertdickinson.org, Chair/TAC at http://CIMM.ORG SWMM5 , No Comments
Subject:  How to add a volume variable to SWMM 5


The purpose of this email is to explain how to add another print variable to the DOS version of SWMM 5 so that it can saved in a table in the text output file (after you recompile the modified C
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