How is the variable time step option used in #SWMM5? - Normally when using the variable time step in SWMM5 (Figure 2), the node time step is equal to the maximum user defined time step, the link time step changes based on a combination of the shortest link, Cr value and Velocity (Figure 1).
Figure 1 How is the variable time step option used in #SWMM5
Figure 2 Dynamic Wave Options in SWMM 5 include Variable Time Steps