Code Development History

2010-03-20
Release of the upgraded version of Tornado (135)
Unsteady derivatives added
Neutral point search added
Trimmed polars added
New strip theory friction function added
Compressibility function added
Lots of small tweaks

2007-12-20:
Release of the upgraded version of Tornado (134)
Solver system changed
Change directory command changed to functional form
Variable directory names added in config.m
Aircraft trim function added
New solver added, vectorised 6 times faster
Symmetric solver removed
Simple solution now computes derivatives as well
Zero lift drag prediction added
Definition plots added
Result data exporter added

2007-08-07:
Release of the upgraded version of Tornado (132).
New Camber model added, more accurate than before.
Viscosity added to ISA
Subfunctions moved inline
Symmetric solver added
Editor fixed to vork with new foil standard
Batch function added. (tornadobatch.m)
Rotation in boundary condition error fixed

2007-04-05:
Release of the upgraded version of Tornado (131b).
Splash screen added.
Trefftz plane analysis tool added
Altitude - density function added (ISA)
New paneling distributions
Prandtl Glauert Compressibility correction added
New 3-view drawing
Center of gravity added to geometry
Offline validation tool added
Code cleanup.

2006-12-13:
Release of the upgraded version of Tornado (130b).
Wind alignment in body system fixed

2005-10-18:
Release of the upgraded version of Tornado (129b).
Wake alignment fixed
Normal position on panel fixed
Wind to body transform modified
Sideslip computation modified
Standard (Horseshoe) VL method added

2004-11-04:
Release of the upgraded version of Tornado (128b).
Rudder setting problem fixed

2004-07-21:
Release of the upgraded version of Tornado (127b).
Case sensitivity fixed
File converters for geometry files from pre v125 "fOld2New"
Converter from v125 to 126: "f_version_geo_transform"
Rudder matrix transpose problem which resulted in 'index array out of bounds' fixed

2004-05-08:
Known problems
Version 126b does not work on case sensitive system

2004-03-18:
Release of the upgraded version of Tornado (126b).
Major memory structure changes
More efficient solver (solver8), with vectorized computing
Spell-check etc...
Side force/Drag swap in post processor fixed

2003-02-17:
Release of the upgraded version of Tornado (1.23b).
Reference point position changed to geometry property
Downwash matrix condition computed in solver6
Input function changed to accommodate new variable
Diffbatch changed to accommodate new variable
fOld2New function created to translate old geometry files into new
fLattice_setup created. It's a Wrapper for geosetup and wake setup etc.

2002-02-11:
Release of the upgraded version of Tornado (1.20).
New Cmac computation added
Graphical C_mac and refpoint added
Span load computation and graph added
Beta sign inconsistency corrected
Wake roll inconsistency corrected
Wake length edited
NACA profile slope error corrected
Refpoint move to MAC added
Input questions fixed for flapped asymmetric wings
Mean geometric chord added (not used yet)

2001-11-07:
Release of the upgraded version of Tornado (1.19)

2001-10-10:
Release of the upgraded version of Tornado (1.16)

2001-01-23:
Release of the first alpha version of Tornado

2001-01-23:
Pre-release beta development remarks available in the program.

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