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Full Equations (FEQ) Model for the Solution of the Full, Dynamic Equations of Motion for One-Dimensional Unsteady Flow in Open Channels and Through
Control Structures
U.S. GEOLOGICAL SURVEY WATER-RESOURCES INVESTIGATIONS REPORT 96-4240
11. Function Table Description
Several function tables are used in FEQ to represent the various
functions in unsteady-flow analyses. Some of these tables are
computed with the utility program FEQUTL (Franz and Melching,
1997), and others are entered manually from other sources. The
origin of the tables is not important as long as they are in the
expected structure and format. The concepts and mathematical
relations of the tables are described below. A detailed
discussion of the formats and examples of some of the tables are
given in "Input Description to the Full Equations Model"
(section 13). Examples of all of the function tables may be
obtained by electronic retrieval from the World Wide Web (WWW)
at http://water.usgs.gov/software/feq.html and by anonymous File
Transfer Protocol (FTP) from water.usgs.gov in the
pub/software/surface_water/feq/ directory.
Three broad classes of function tables are applied in FEQ: 1-D
(one argument), 2-D (two arguments), and 3-D (three arguments).
Several options are available within each of the first two
classes. The 1-D tables are the simplest and are presented
first.
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11.1 One-Dimensional Function Tables
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11.2 Two-Dimensional Function Tables
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11.3 Three-Dimensional Function Tables
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11.4 Summary of Function Tables
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