A note from the past, the SWMM3 and SWMM4 Acknowledgments from their respective manuals for the sake of posterity and in thanks for all of their past efforts.
Maintenance and updating of the EPA SWMM has been continuous since its
inception in 1969-70.
Over the many intervening years … Read the rest
This is part of the #Inside_#SWMM5 series of blogs and is intended as a visual aid and code developer for the Storm Water Management Model Reference Manuals on https://www.epa.gov/water-research/storm-water-management-model-swmm I always think images (and some words) are best at explaining the internal working of code. I do encourage you to … Read the rest
Here is a graphical view of the nonlinear runoff processes in InfoSWMM and SWMM5:
1. Three runoff surfaces
a. Impervious with Depression Storage
c. Impervious without Depression Storage
2. Slope (same for all runoff surfaces)
3. Width or the Dimension of the Subcatchment (same for all runoff surfaces)… Read the rest
World-Renowned Urban Drainage Modeling Authority Robert Dickinson Joined Innovyze in January, 2008
Broomfield, Colorado USA, January 16, 2008/altered 2014
SWMM 4 and SWMM 5 St. Venant Solutions Contrasted
1. Compute at time t+delta t the values of dQ/dt for the Links and dH/dt for the Nodes from the properties at time t
2 Iterate at least 2 times until either all nodes and links are converged or a … Read the rest