Tuesday, March 13, 2012

Importing and Comparing Simulation Results between InfoSWMM and SWMM 5

Subject:  Importing and Comparing Simulation Results between InfoSWMM and SWMM 5
Normally, you get the same answer in InfoSWMM and the current version of SWMM 5 for the hydrology, RDII, dry weather flow and wet weather flow but be aware that the imported SWMM 5 model had a default of 8 iterations for the number of Picard iterations whereas the imported SWMM 5 model in InfoSWMM has as default of  4 iterations.  You need to change this to 8 iterations in the Run Manager dialog of InfoSWMM to get the same routing answers.

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InfoSWMM Version Numbers and the version of Arc Map they use and which EPA SWMM5 Engine is used for Each InfoSWMM Version

 InfoSWMM Version Numbers  InfoSWMM Version 14.7  Update 3 for Arc Map 10 to 10.8 and Windows 7/8/8.1/10 - EPA SWMM 5.1.014   4/12/2020   ...