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<html>
<head>
<title>
SHALLOW_WATER_1D - The Shallow Water Equations in 1D
</title>
</head>
<body bgcolor="#eeeeee" link="#cc0000" alink="#ff3300" vlink="#000055">
<h1 align = "center">
SHALLOW_WATER_1D <br> The Shallow Water Equations in 1D
</h1>
<hr>
<p>
<b>SHALLOW_WATER_1D</b>
is a FORTRAN90 program which
simulates a system governed by the shallow water equations in 1D.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>SHALLOW_WATER_1D</b> is available in
<a href = "../../cpp_src/shallow_water_1d/shallow_water_1d.html">a C++ version</a> and
<a href = "../../f_src/shallow_water_1d/shallow_water_1d.html">a FORTRAN90 version</a> and
<a href = "../../m_src/shallow_water_1d/shallow_water_1d.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../m_src/shallow_water_1d_display/shallow_water_1d_display.html">
SHALLOW_WATER_1D_DISPLAY</a>,
a MATLAB program which
can display a solution of the shallow water equations in 1D,
generally as computed by the program shallow_water_1d.
</p>
<p>
<a href = "../../m_src/shallow_water_2d/shallow_water_2d.html">
SHALLOW_WATER_2D</a>,
a MATLAB program which
solves the 2D shallow water equations.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
Cleve Moler,<br>
Experiments with MATLAB,<br>
<a href = "http://www.mathworks.com/moler/exm/index.html">
http://www.mathworks.com/moler/exm/index.html </a>
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "shallow_water_1d.f90">shallow_water_1d.f90</a>, the source code.
</li>
<li>
<a href = "shallow_water_1d.sh">shallow_water_1d.sh</a>,
BASH commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
The program was run with the default settings.
<ul>
<li>
<a href = "shallow_water_1d_output.txt">shallow_water_1d_output.txt</a>,
the output file.
</li>
<li>
<a href = "test01_h.txt">test01_h.txt</a>, the H file.
</li>
<li>
<a href = "test01_t.txt">test01_t.txt</a>, the T file.
</li>
<li>
<a href = "test01_uh.txt">test01_uh.txt</a>, the UH file.
</li>
<li>
<a href = "test01_x.txt">test01_x.txt</a>, the X file.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>MAIN</b> is the main program for SHALLOW_WATER_1D.
</li>
<li>
<b>INITIAL_CONDITIONS</b> sets the initial conditions.
</li>
<li>
<b>CH_CAP</b> capitalizes a single character.
</li>
<li>
<b>CH_EQI</b> is a case insensitive comparison of two characters for equality.
</li>
<li>
<b>CH_TO_DIGIT</b> returns the integer value of a base 10 digit.
</li>
<li>
<b>GET_UNIT</b> returns a free FORTRAN unit number.
</li>
<li>
<b>INITIAL_CONDITIONS</b> sets the initial conditions.
</li>
<li>
<b>R8MAT_WRITE</b> writes an R8MAT file.
</li>
<li>
<b>R8VEC_LINSPACE</b> creates a vector of linearly spaced values.
</li>
<li>
<b>R8VEC_WRITE</b> writes an R8VEC file.
</li>
<li>
<b>S_TO_I4</b> reads an I4 from a string.
</li>
<li>
<b>S_TO_R8</b> reads an R8 from a string.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised on 11 June 2012.
</i>
<!-- John Burkardt -->
</body>
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</html>