Hec Hms download, software, free downloads. Hec Hms Download shareware, freeware, demos: RIVERMorph by RIVERMorph LLC, HEC-GeoHMS by Hydrologic Engineering Center, Download Express by MetaProducts Corporation etc. ArcSWAT is an ArcGIS-ArcView extension and interface for SWAT. Download ArcSWAT 2012.10.24 (19 August 2020) for ArcGIS 10.5, 10.6 and 10.7, or earlier versions for ArcGIS 10.0-10.4. Peak flow statistics indicate that the MAC-HBV, HEC-HMS, and WATFLOOD models can provide reasonably good results where HEC-HMS performs relatively better. In general, all five models provide adequate results, but SAC-SMA and GR4J outperform the other three models in the calibration period.
HEC-HMS is a public domain hydrologic modelling software application developed by the U.S. Army Corps of Engineers Hydrologic Engineering Center. Following are some downloads and links relevant to HEC-HMS:
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Version 4.4 is currently being beta tested; we will post updates here when it is available for public release.
From the U.S. Army Corps of Engineers website:
The Hydrologic Modeling System (HEC-HMS) is designed to simulate the complete hydrologic processes of dendritic watershed systems. The software includes many traditional hydrologic analysis procedures such as event infiltration, unit hydrographs, and hydrologic routing. HEC-HMS also includes procedures necessary for continuous simulation including evapo-transpiration, snowmelt, and soil moisture accounting. Advanced capabilities are also provided for gridded runoff simulation using the linear quasi-distributed runoff transform (ModClark). Supplemental analysis tools are provided for model optimization, forecasting streamflow, depth-area reduction, assessing model uncertainty, erosion and sediment transport, and water quality.
The software features a completely integrated work environment including a database, data entry utilities, computation engine, and results reporting tools. A graphical user interface allows the user seamless movement between the different parts of the software. Simulation results are stored in HEC-DSS (Data Storage System) and can be used in conjunction with other software for studies of water availability, urban drainage, flow forecasting, future urbanization impact, reservoir spillway design, flood damage reduction, floodplain regulation, and systems operation.
SmartDraft Suite, Survey, PConnect, Construction Notes, and HEC-RAS Tools
Free Trial Offer: Try SmartDraft and Ignite your productivity. The 30-day trial is a fully-functional version of SmartDraft. To continue using the software after 30 days, purchase of a license is required. To install: download and run SmartDraft 20.exe. The software can be installed locally or on a network. Every workstation requires a license or a site license can be purchased to cover all workstations in a single location.
Note: Current subscription clients can request an authorization code for SmartDraft by sending a request via e-mail: Authcodes.
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SmartDraft for AutoCAD
SmartDraft 20: Supports AutoCAD® Civil 3D® 2013 - 2021, AutoCAD® 2013 - 2021, and AutoCAD® Map 3D 2013 - 2021.
SmartDraft 20.exe (77.2 MB) Version 20.0.12 released September 18, 2020.
Important! Readme20 (95 KB .pdf) Installation instructions and known installation issues.
Information: The SmartDraft installation does not automatically load the cuix menu. After the installation, using the CUILOAD command, browse to the smart(product).cui in the installation folder.
Warning for AutoCAD 2014 to 2021: When you load the SmartDraft menu for the first time, the File Loading - Security Concern dialog box may appear. If it does, you must select the Load button for SmartDraft to work correctly. Note: The listed file could be smarthydro.mnl, smartpconnect.mnl, smartsuite.mnl, or smartsurvey.mnl.
SmartDraft 20 Manual (21.8 MB .pdf) Printable manual for the SmartDraft Suite
The SmartDraft 20 Help manual also provides instruction and hyperlinks to SmartDraft on-line video demonstrations for Survey, PConnect, Construction Notes, HEC-RAS Tools, Associate Survey Working Folder, Inquiry Tools, Inverse Points, Text Tools, and View Tools (and includes descriptions of all SmartDraft tools).
The SmartDraft 20 Help manual also provides instruction and hyperlinks to SmartDraft on-line video demonstrations for Survey, PConnect, Construction Notes, HEC-RAS Tools, Associate Survey Working Folder, Inquiry Tools, Inverse Points, Text Tools, and View Tools (and includes descriptions of all SmartDraft tools).
SmartDraft 20 PConnect Manual (1.8 MB .pdf) Printable manual for the SmartDraft PConnect
SmartDraft Suite History, Survey History, PConnect History, Construction Notes History, and HEC-RAS Tools History
SmartDraft for BricsCAD
SmartDraft 20 for BricsCAD: Supports BricsCAD® v15 - v20
SmartDraftBC 20.exe (60.1 MB) Version 20.0.12 released September 18, 2020.