Software for Channel Routing Analysis

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AquaDyn

This program allows the description and analysis of hydrodynamic conditions, such as flow rates and water levels, of open channels such as rivers, lakes or estuaries.

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BRANCH (The Branch-Network Dynamic Flow Model)

BRANCH is used to simulate steady or unsteady flow in a single open-channel reach (branch) or throughout a system of branches (network) connected in a dendritic or looped pattern. BRANCH is applicable to a wide range of hydrologic situations wherein flow and transport are governed by time-dependent forcing functions. BRANCH is particularly suitable for simulation of flow in complex geometric configurations involving regular orirregular cross sections of channels having multiple interconnections, but can be easily used to simulate flow in a single, uniform open-channel reach. Time-varying water levels, flow discharges, velocities, and volumes can be computed at any location within the open-channel network. Streamflow routing and computation by the BRANCH model is superior to simplified-routing methods in open-channel reaches wherein severe backwater and (or) dynamic flow conditions prevail. Typical uses of the model encompass the assessment of flow and transport in upland rivers in which flows are highly regulated or backwater effects are evident, or in coastal networks of open channels wherein flow and transport are governed by the interaction of freshwater inflows, tidal action, and meteorological conditions. Surface- and ground-water interactions can be simulated by the coupled BRANCH and USGS modular, three- dimensional, finite-difference ground-water flow (MODFLOW) models, referred to as MODBRNCH.

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BSDMS (The Bridge Scour Data Management System)

The BSDMS has been developed to support preparation, compilation, and analysis of bridge-scour measurement data. Users may interactively store, retrieve, update, and display bridge scour and associated data. Help information provides descriptions of each of the more than 200 items that make up a data set for a bridge-scour site. These variables allow local pier scour, local abutment scour, contraction scour, and long-termscour measurements to be described. The data set items cover all of the information for a given bridge: site data, measured data, flood event data, and channel geometry data. Program options permit comparison of observed scour depths with estimates from selected published scour equations.

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CHAN

CHAN for windows is a modelling system which generates runoff hydrographs for basins and performs hydrodynamic routings of that runoff through a surface water system comprised of lakes, ponds, channels, and drainage structures. Open channels and open water can now be modelled, along with complex control structures.

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CGAP (Channel Geometry Analysis Program)

CGAP permits the analysis, interpretation, and quantification of the physical properties of an open-channel reach as defined by a sequence of cross sections. The primary function of the program is to compute the area, width, wetted perimeter, and hydraulic radius of cross sections at successive increments of water-surface elevation (stage) from data that consist of coordinate pairs of cross-channel distances and land-surface or channel-bottom elevations. Longitudinal rates-of-change of cross-sectional properties are also computed. In addition, the mean properties (including discharge as computed using the Manning's equation) of a channel reach and the cross-sectional area and channel widths as functions of stage for subdivisions of a cross section can be computed. CGAP was developed to compute, display, and otherwise format cross-sectional data for use with simulation models. CGAP produces files of data in the required input format for BRANCH and HSPF (the latter after use of the program genftbl--generate F- Table--provided with CGAP). CGAP has 17 output options that produce the following forms of output: tabular lists, sequential files, and (or) graphical plots in digital or line-printer format.

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FLEXLIN

Based on the FHWA HEC-15 publication, for the design and analysis of channels having flexible linings.

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FLOWPROF

Computes one-dimensional steady state water surface profiles in prismatic and transition open channels.

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FlowMaster version 6

FlowMaster is a program for the design and analysis of pipes, ditches, open channels, weirs, orifices, and inlets. The program can solve or rate any unknown variable using the Manning's, Hazen Williams', Kutter's, Darcy-Weisbach, and Colebrook-White formulas. FlowMasters inlet computations strictly comply with the latest FHWA Hydraulic Circular Number 22 (replacing Circular 12) and AASHTO inlet computation guidelines.

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HEC-2

This US Army Corps of Engineers Water Surface Profiles Program is used for floodplain evaluations and river channel design. The program runs in sub or super critical mode and has extensive bridge and culvert modeling capabilities. It will also model sideflow weirs, drop structures and floodplain encroachments.

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HEC-6

This US Army Corps of Engineers program is for the evaluation of Scour and Deposition in Rivers and Reservoirs and is an extension to the HEC-2 model. Sediment gradation and inflow tables are input to the model, as well as long term inflow hydrographs. Output identifies reaches and depths of sedimentation and channel scour.

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HEC-RAS (The River Analysis System)

HEC-RAS is a hydraulic modelling application developed by the US Army Corps of Engineers to simulate water surface profiles for steady and gradually varied flow in open channel watercourses. The application will estimate water surface elevation and related output along a channel reach under subcritical, supercritical or mixed flow regimes. The program is capable of modelling complicated networks with multiple reaches and tributaries. Flow through culverts, bridges, weirs and gated spillways is accommodated. Levees, blocked obstructions, lids and ineffective flow areas can also be modelled as can ice jam and debris flow conditions. The program includes an option for estimating scour at bridges for design.

This Windows based water surface profiles program will replace HEC-2 and , ultimately, HEC-6 and UNET.

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H&H Utility Suite

This collection of eight consists of the following independent programs, zipped together into one self extracting file

  • Weirflow-broadcrested, cipolletti, triangular and shallow swale weir flow
  • SCSCN- storm runoff hydrograph model based on the SCS Curve Number method and NEH2
  • Routec - reservoir routing using the Puls method
  • Pearson- fits a series of flow events to a Log Pearson Type III distribution
  • Meltsum-computes snow melt from a degree-day model
  • Gully - A program to compute gully control structure design parameters
  • Deschan - Storm channel design from channel cross section surveys

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HIVEL2D

HIVEL2D is a free-surface, depth-averaged, two-dimensional finite element model designed specifically to simulate flow in typical high-velocity channels. HIVEL2D is applicable for flow fields that contain supercritical and subcritical regimes as well as the transitions between the regimes. The model provides numerically stable solutions of advection-dominated flow fields containing shocks such as oblique standing waves and hydraulic jumps. The system of nonlinear equations are solved using the Newton-Raphson iterative method. The Newton-Raphson method was selected for this model because the nonlinear terms in high-velocity channel flow fields are quite significant. Stresses are modelled using the Manning's formulation for boundary drag and the Boussinesq relation for Reynolds stresses. Eddy viscosities are approximated using an empirical relation based on Manning's coefficient and local flow variables.

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HydroChan version 1.0

HydroChan provides a method of calculating channel properties, rating curves and gradually varied flow profiles in channels that can be reasonably approximated as prismatic.

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ICPR (Interconnected Channel and Pond Routing Model)

ICRP is a one-dimensional unsteady-state dynamic stormwater model. Complex drainage networks can be modelled including dendritic, diverging, and looped systems. Flow reversals, tailwater influences, and dynamic storage allocation are included in the solution algorithms. ICRP includes several methods for generating hydrographs using standard or customizes rainfall distributions. The program can route hydrographs through ponds, channels, culverts, and storm sewers systems and can simulate bridges, weirs, drop structures, gates and orifices. ICPR automatically transitions between sub-critical and supercritical flow. A report manager allow the user to view and export an extensive array of tabular and graphical reports.

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PCSWMM 2000

This program is a decision support system for the US EPA's Stormwater Management Model (SWMM4). It utilizes the SWMM4 core processes and also provides a Geographic Information System (GIS) with optional links to existing GIS/AM/FM/CAD databases. The comprehensive PCSWMM 2000 can be used for solving problems ranging from small BMP installations to continuous hydrology, hydraulics and quality simulation of major/minor drainage systems.

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RIPRAP Design System

A tool for streambank protection design. The program determines sizing, layer thickness and gradation of rock riprap to protect streams from scour utilizing seven different methods.

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ROUTE

Hydrograph Analysis Program. Unit Hydrograph programs calculate the flood hydrographs and ROUTE reads the hydrographs and routes them through channels, flow-thru, or flow-by basins, and store or combines hydrographs as requested by the user.

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SECTION

SECTION computes normal and critical depth parameters associated with flows in prismatic open channels. In design mode the channels can be optimized based on minimal lining cost or best hydraulic section.

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SMS (Surface-water Modelling System)

SMS is a comprehensive graphical user environment for 2-dimensional numerical modeling. It is developed by the Environmental Modeling Research Laboratory in cooperation with the U.S. Army Corps of Engineers Waterways Experiment Station (USACE-WES) and the Federal Highways Administration (FHWA). SMS provides tools for mesh and grid generation, data interpolation, and sophisticated tools for graphical visualization.

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StormShed

Computes runoff based on SCS and SBUH methodology. There is a built in CN and Time of concentration calculator for each drainage area. The program includes numerous hydrograph manipulation tools. The hydrographs can be routed through the arch/box/circular/elliptical pipes, regular ditches, gutter sections and cross-sections using the following methods; Storage routing, Muskingum-Cunge routing , Convex routing, Kinematic routing , or Simple travel time routing (Manning's equation). The program also supports an unlimited number of detention ponds in a single project. It includes the following pond shapes: Manholes/Catch Basins Vaults Trapezoidal Ponds Underground arch/box/circular/elliptical Pipe and provides Storage/Area Rating Curves. The following structures are also supported; Broad Crested Weirs, Culverts (inlet and outlet control), Multiple Orifice structure, Overflow weir (essentially a broad crested weir with side slopes), Overflow Riser, Rectangular sharp crested weir, Vertical orifice, Vee shaped sharp crested weir, Infiltration rate, Stage-Discharge rating curve, and a Three stage pump.

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Surface Profile Calculator for Windows

This program allows for the calculation of surface profiles of trapezoidal channels using both the direct step method and the standard step method. Normal flow conditions can also be calculated.

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SWMM4.4 (Storm Water Management Model)

This Rainfall Runoff Model was developed by the US Environmental Protection Agency. It is capable of modelling the movement of precipitation and pollutants from the ground surface through pipe and channel networks, storage treatment units and to receiving waters. Both single event and continuous simulation can be performed on catchments having storm sewers and natural drainage, for prediction of flows, stages and pollutant concentrations.

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The CHANNEL Program version 2.02

This program is for the design or analysis of drainage channels, canals, ditches, or stormwater systems. The program has six modules that automate design and analysis of open channels. These include HEC-15 flexible lining analysis, Ven Te Chow's non-erodible linings analysis methods, cohesive and non-cohesive erodible analysis, best hydraulic design section, and minimal lining cost design.

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UNET

This US Army Corps of Engineers program simulates one-dimensional unsteady flow through a full network of open channels. In addition to solving the network system, UNET provides the user with the ability to apply several external and internal boundary condition, including: flow and stage hydrographs; rating curves; gated and uncontrolled spillways; pump stations; bridges; culverts and levee systems.

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WaterWorks

WaterWorks is an integrated set of hydrology design tools. WaterWorks offers SCS and SBUH (Santa Barbara Unit Hydrograph) unit hydrograph methodology, level pool routing (also known as modified puls), pipe and ditch conveyance systems analysis and design, and backwater computations in one menu driven package. WaterWorks is available for IBM compatible computers running MSDOS.

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Water Surface Profiles

This program uses HEC-2 and WSPRO methodology to compute flows though channels, bridges, culverts, etc.

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WSPG

WSPG Windows 95/98/NT program is an improved version of the Los Angeles County Flood Control WSPG program. The program computes and plots uniform and non-uniform water surface profiles and pressure gradients in open channels and/or closed conduits with regular or irregular sections. The flow in a system may alternate between supercritical, sub-critical or pressure flow in any sequence. Added features include a Windows interface, a .DXF drawing file option with a plan, profile, cross section and text data views of the channel hydraulic analysis.

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WSPRO (Water-Surface Profiles)

WSPRO computes water-surface profiles for subcritical, critical, or supercritical flow as long as the flow can be reasonably classified as one-dimensional, gradually-varied, steady flow. WSPRO can be used to analyze: (1) open-channel flow; (2) flow through bridges; (3) flow through culverts; (4) embankment overflow; and (5) multiple-opening (two or more separate bridge and (or) culvert structures) stream crossings. WSPRO is designated HY-7 in the Federal Highway Administration (FHWA) hydraulics computer program series. A primary objective in developing WSPRO was to provide bridge designers with a highly flexible tool for analyses of alternative bridge openings and (or) embankment configurations. However, WSPRO is equally flexible and suitable for analyses of existing stream crossings. Much of the model's flexibility can be attributed to the data input scheme which, to a great extent, is designed for unformatted, order-independent data. Additional flexibility is provided by propagation of constant data and limited capabilities for synthesizing cross sections. Also, many desirable features from other models were incorporated into WSPRO. The type and quantity of output is to a large extent user-specifiable. Thus WSPRO is a very easy-to-use model, which is generally applicable to water-surface profile analyses for highway design as well as for problems related to flood plain mapping, flood insurance studies, and estimating stage-discharge relationships.

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