March 2014

#INFOSWMM, InfoSWMM, SWMM5, Venant

SWMM 5 solution for the St Venant Equation and the Node Continuity Equation

I like the way the SWMM 5 solution for the St Venant Equation and the Node Continuity Equation is presented in this paper file:///D:/Downloads/swmm-paper-libre.pdf 
It shows the major components of the SWMM5 solution (gravity, time, inertial, friction and entrance/other and exit losses) and the connection between Storage Area of
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InfoSWMM, SWMM5

Minimum Drop for a Link in SWMM 5

I wanted to discuss a slightly hidden feature of SWMM 5 that has a definite impact on flat or links with zero slope.  SWMM5 uses an internal unit system based on feet and cfs even though externally you can use SI units.  There is a minimum conduit drop between the
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Inside SWMM5, SWMM5

Box File Links for SWMM4 and SWMM5 Files

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