DFDC (Ducted Fan Design Code) is an aerodynamic and aeroacoustic design
and analysis tool for aircraft with propulsors in ducted fan
configurations.

This software was developed under the auspices and sponsorship of the
Tactical Technology Office (TTO) of the Defense Advanced Research
Projects Agency (DARPA).

Copyright (c) 2004, 2005, Booz Allen Hamilton Inc., All Rights Reserved

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Authors: Harold Youngren (guppy@maine.rr.com), Mark Drela
Program Management: Brad Tousley, Paul Eremenko (eremenko@alum.mit.edu)