spiral_exact_test

spiral_exact_test, an Octave code which calls spiral_exact(), which samples a velocity vector field that satisfies the continuity equation, and write the nodes and velocities to a file, suitable for display using GNUPLOT.

Licensing:

The computer code and data files made available on this web page are distributed under the MIT license.

Related Data and Programs:

spiral_exact, an Octave code which computes a velocity vector field that satisfies the continuity equation, writing the data to a file that can be plotted by gnuplot.

Source Code:

• spiral_exact_test.m, calls all the tests.
• spiral_exact_test.sh, runs all the tests.
• spiral_exact_test.txt, the output file.

• spiral_exact_test01.m, samples the flow and reports the range.
• spiral_exact_test02.m, samples the flow and reports the residual.
• spiral_exact_test03.m, evaluates the flow on a grid and writes GNUPLOT plot files.
• spiral_exact_test04.m, evaluates the flow on a grid and calls Matlab's QUIVER function.
• spiral_exact_data.txt, data for GNUPLOT.
• spiral_exact_commands.txt, commands for GNUPLOT.
• spiral_exact.png, the resulting plot.
• spiral_quiver.png, the resulting QUIVER plot.