------------------------ Build 5.1.010 (08/05/15) ------------------------- Source Engine Updates: 1. A modified version of Green-Ampt infiltration (MODIFIED GREEN AMPT) was added that no longer redistributes upper zone moisture deficit during low rainfall events. The original authors of SWMM's Green-Ampt model have endorsed this modified version. It will produce more infiltration for storm events that begin with low rainfall intensities, such as the SCS design storm distributions. 2. A new type of weir, a ROADWAY weir, has been added. It models roadway overtopping using the FHWA HDS-5 method and would typically be used in parallel with a culvert conduit. 3. Rule premises can now test whether a link has been open (or closed) for a specific period of time. See the Help file for more details. 4. Unsaturated hydraulic conductivity ("K") was added to the list of variables that can be used in a user-supplied groundwater flow equation. 5. A bug introduced in update 2 of release 5.1.008 that failed to include infiltration from LID units into the groundwater routine was fixed. 6. A bug that failed to properly initialize the flag indicating that one or more LID controls was initially wet was fixed. 7. Duplicate printing of the first line of an LID detailed report file was corrected. 8. The Hargreaves evaporation formula was modified to use a 7-day running average of daily temperatures, instead of just single day values, as recommended by the formula's authors. 9. Daily potential evapotranspiration (PET) was added as a system output variable. 10. The qualrout.c module was refactored to make it more compact and easier to follow. 11. Storage seepage and evaporation losses are now based on the storage volume at the end, not the start, of the prior time step. 12. The command line used to build the engine included in the "makefile" for the GNU C/C++ compiler was corrected to include the OpenMP libraries.
Autodesk Technologist with Information about Stormwater Management Model (SWMM) for watershed water quality, hydrology and hydraulics modelers (Note this blog is not associated with the EPA). You will find Blog Posts on the Subjects of SWMM5, ICM SWMM, ICM InfoWorks, InfoSWMM and InfoSewer.
Thursday, August 20, 2015
EPA SWMM 5.1.010 Build 5.1.010 Update with Images
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