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FEQinput—An editor for the full equations (FEQ) hydraulic modeling system

Fact Sheet 2017-3072
By: , , and 
https://doi.org/10.3133/fs20173072

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Introduction

The Full Equations Model (FEQ) is a computer program that solves the full, dynamic equations of motion for one-dimensional unsteady hydraulic flow in open channels and through control structures. As a result, hydrologists have used FEQ to design and operate flood-control structures, delineate inundation maps, and analyze peak-flow impacts. To aid in fighting floods, hydrologists are using the software to develop a system that uses flood-plain models to simulate real-time streamflow.

Input files for FEQ are composed of text files that contain large amounts of parameters, data, and instructions that are written in a format exclusive to FEQ. Although documentation exists that can aid in the creation and editing of these input files, new users face a steep learning curve in order to understand the specific format and language of the files.

FEQinput provides a set of tools to help a new user overcome the steep learning curve associated with creating and modifying input files for the FEQ hydraulic model and the related utility tool, Full Equations Utilities (FEQUTL).

Suggested Citation

Ancalle, D.S., Ancalle, P.J., and Domanski, M.M., 2017, FEQinput—An editor for the full equations (FEQ) hydraulic modeling system: U.S. Geological Survey Fact Sheet 2017–3072, 4 p., https://doi.org/10.3133/fs20173072.

ISSN: 2327-6932 (online)

ISSN: 2327-6916 (print)

Table of Contents

  • Introduction
  • Loading Files
  • Navigating and Searching in Files
  • Editing Files
  • Saving Files
  • Running Models
  • Additional Information
  • Summary
Publication type Report
Publication Subtype USGS Numbered Series
Title FEQinput—An editor for the full equations (FEQ) hydraulic modeling system
Series title Fact Sheet
Series number 2017-3072
DOI 10.3133/fs20173072
Year Published 2017
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Illinois Water Science Center
Description Report: 4 p.; Project Site
Online Only (Y/N) N
Additional Online Files (Y/N) N
Google Analytic Metrics Metrics page
Additional publication details