1. Praveen C
  2. nuwtun

Overview

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                          README file for NuWTun
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Contents

src-flo : Flow solver files
src-adj : Adjoint solver files, NOT FINISHED YET
examples: Example test cases
docs    : Manual, license, etc.

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Compiling

You will need a fortran 90 compiler since dynamic memory allocation is used.
Compilation has been tested with gfortran. Set your compiler and flags in
makefile.in and define a shell variable called NUWTUN_HOME which contains the
absolute path to the root directory. You also need the archive tool "ar"; this
should be available on most systems. To compile the flow solver execute the
following commands at the shell prompt:

$ cd $NUWTUN_HOME/src-flo
$ make

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Call-tree

If you have ftnchek, then you can generate a call-tree inside the
docs/tree/src-flo directory. Inside the directory src-flo type "make tree" to
generate the tree. This has been tested to work only on GNU/Linux. You can
change the location where the call-tree is stored by changing the CTDIR
variable in makefile.in to appropriate value.

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Visualization

Nuwtun can output the solution in plot3d format. Plot3d files can be read by
the following visualization softwares:

Tecplot: Commercial software, but probably the best one.

Paraview: Free software, based on VTK, can read only grid and solution files,
not the function file.

Mayavi: Free software, similar to Paraview and is based on VTK. Only 3-D files
can be read.

Calculix: Free software, can read both 2-d and 3-d files, only formatted, can
read grid, solution and function files. It is quite good for 2-D.