InfoSewer Maximum Number of Segments Sensitivity
The three Run manager parameters, Maximum Number of Segments, Minimum Travel Distance and the Minimum Travel Distance in InfoSewer and H2OMAP Sewer affect the shape and flow attenuation of the flow in a link. The effect of decreasing the Minimum Travel Distance is to reduce the peak flow and spread out the flow as the number of segments increases(Figure 1). The smaller the minimum travel distance, which has the effect of increasing the number ofsegments in a link up the limit of the parameter Maximum Number of segments, the smaller the peak and the more attenuation of the flow in InfoSewer.
There is three ways to control attenuation in InfoSewer: (1) use the flow attenuation option, (2) increase the Maximum Number of Segments per link and (3) decrease the Minimum travel distance. You can also use all three parameters to make more segments per link for long links and only a few segments for short links.
Figure 1. Effect of the Minimum Travel Distance in InfoSewer and H2OMAP Sewer
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