## Moody Friction Factor Calculator from Innovyze H2OCalc

3.3 Moody Friction Factor Calculator

Darcy-Weisbach friction factor, f, can be evaluated in terms of equivalent sand grain roughness, e, and Reynolds number, Re. Reynolds number is a dimensionless ratio of …

## Innovyze H2OCalc Head loss due to Transitions and Fittings (Local loss)

3.7 Head loss due to Transitions and Fittings (Local loss)

Whenever flow velocity changes direction or magnitude in a conduit (e.g., at fittings, bends, and other appurtenances) added turbulence is induced. The energy …

## Urban Drainage Structures from Innovyze H2OCalc

3.13 Urban Drainage Structures

The methodology presented here for analysis and design of the drainage structures described in this section is based on HEC-22 manual (FHWA, 2001)

Gutter Flow

Gutters are the sections …

## General Culvert Information from Innovyze H2OCalc for All Culvert Programs

General Culvert Information from Innovyze H2OCalc for All Culvert Programs

A culvert is a pipe that carries water under or through some feature (usually a road or highway) that would otherwise block the …

# Computational Methods for the SWMM5 Model in InfoSWMM and InfoSWMM SA

InfoSWMM and InfoSWMM SA is a physically based, discrete-time simulation model. It employs principles of conservation of mass, energy, and momentum wherever …

## How to use Transects in InfoSWMM and InfoSWMM SA

How to use Transects in InfoSWMM and InfoSWMM SA

Transects refer to the geometric data that describe how bottom elevation varies with horizontal distance over the cross section of a natural channel or …

# 2D Simulation Options from InfoWorks ICM in InfoSWMM and InfoSWMM SA

If you have an InfoSWMM 2D license and you have set up your model with all of the necessary 2D elements and …

## Rules for using the NRCS (SCS) Dimensionless Unit Hydrograph Method in InfoSWMM and InfoSWMM SA

Rules for using the NRCS (SCS) Dimensionless Unit Hydrograph Method in InfoSWMM and InfoSWMM SA

A unit hydrograph is defined as the direct runoff hydrograph resulting from a unit depth of excess (effective) …

# Infiltration in InfoSWMM and InfoSWMM SA for Horton, Green Ampt and Curve Number Options

Infiltration is the process of rainfall penetrating the ground surface into the soil over the pervious areas of Subcatchments.…

# Introduction to the Methodology of Creating a Model using InfoSWMM or InfoSWMM SA

InfoSWMM and InfoSWMM SA is a comprehensive GIS-centric, highly advanced hydrologic, hydraulic, and water quality simulation model that could be …

## How to Use the Clark Unit Hydrograph Method in InfoSWMM and InfoSWMM SA

How to Use the Clark Unit Hydrograph Method in InfoSWMM and InfoSWMM SA

Clark’s method derives a unit hydrograph by explicitly representing the processes of translation and attenuation, which are the two critical …

# How to Use the Powerful Scenario Management in InfoSWMM and InfoSWMM SA

The Scenario Explorer is an essential feature that enables the user to create, edit, modify, run, and compare any number of …

# How to Use External Inflow in InfoSWMM and InfoSWMM SA using the Current SWMM5 Engine

The External page on the Inflows Editor dialog is used to specify time series of direct external inflow …

# How to model Natural Groundwater (NG) interflow in InfoSWMM and InfoSWMM SA using the SWMM5 Engine

The Groundwater Editor dialog is used to specify the groundwater property of a Subcatchment. It is used …

# How to Use Database Tools for InfoSWMM and InfoSWMM SA- Including Critical Model Recovery (CMR)

The database tools submenu is provided to assist the user in database management. InfoSWMM H2OMap SWMM InfoSWMM SA …

# The Connections between Innovyze Products InfoSWMM, InfoWorks_ICM and InfoSWMM SA and SWMM5

The relationship between the Various InfoSWMM H2OMap SWMM InfoSWMM SA Versions and SWMM5

The relationship between ICM, ICM SE, …

# How to Define your Dry Weather Inflow in InfoSWMM and InfoSWMM SA

The Dry Weather page of the Inflows Editor dialog is used to specify a continuous source of dry weather flow entering …

# How to Use the Query Summation Report Tool in InfoSWMM and InfoSWMM SA

The Query Summation Report may be used in conjunction with DB Queries to determine and evaluate the different attributes associated …

# Weir Editor in InfoSWMM and InfoSWMM SA for a SWMM5 Weir

Like all other visual data objects, Weir object is edited using the attribute browser.

To edit attributes of a weir:

• Switch

# InfoSWMM SA Tools Menu and How They Help You create Networks for Modeling

Tools Menu – This menu contains the basic tools of InfoSWMM SA that allow you to run the simulation and …

# How to Create a Scenario in InfoSWMM and InfoSWMM SA

When you define a scenario, you pick the facility, data, and option sets that comprise that scenario. When picking data sets …

# Dynamic Wave Routing Options in InfoSWMM and InfoSWMM SA for the EPA SWMM 5 Engine

The Dynamic Wave page of the Simulation Options dialog, shown below, sets several parameters that control how the …

# Flow Classification Summary Report for Links in InfoSWMM and InfoSWMM SA

The flow classification summary report is available only if the flow routing option used is dynamic wave. This report summarizes the flow …

# EPA SWMM 5 Water Quality

SWMM5 water quality can simulate the generation, inflow and transport of any number of user-defined pollutants. Required information for each pollutant includes:

 1 pollutant name
 2 concentration

# Hydrogen Sulfide, Corrosion and BOD5 Modeling in InfoSWMM and InfoSWMM SA

The control of odorous gases and the corrosion of sewers are the two most important problems in operating wastewater collection systems. Evaluation …