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Old 06-25-2008, 01:43 PM
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Join Date: Jun 2008
Posts: 1
Sreeni

Dear All:
I am using Hillsborough County SWMM model (v4.31). I am using it for basin drainage modeling (H&H). I am getting very high continuity error when I run my model (-17%). I tried the following things: Stabilized unstable conduits, Stretched short pipes, Reduced time step size. None of these steps brough down the continuity error. Can I get some ideas on how to solve this problem?
Thank you very much,
-Sreeni

*******************************************************
* INITIAL SYSTEM VOLUME = 5.9218E+08 CU FT *
* TOTAL SYSTEM INFLOW VOLUME = 1.1499E+09 CU FT *
* INFLOW + INITIAL VOLUME = 1.7421E+09 CU FT *
*******************************************************
* TOTAL SYSTEM OUTFLOW = 8.7319E+08 CU FT *
* VOLUME LEFT IN SYSTEM = 1.1636E+09 CU FT *
* OUTFLOW + FINAL VOLUME = 2.0368E+09 CU FT *
*******************************************************
* ERROR IN CONTINUITY, PERCENT = -16.92 *
*******************************************************
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