AVL Summary

Extended Vortex-Lattice Model

Trim Calculation

Mass Properties

Eigenmode analysis

Release Conditions

The most important conditions are:

Software

Documents

  • avl_doc.txt
    User Guide in plain text
  • session1.txt
    Sample AVL session inputs for aerodynamic analysis.
  • session2.txt
    Sample AVL session inputs for eigenmode analysis.
  • version_notes.txt
    Summary of changes made for recent AVL versions.
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    Number of unique visitors since 4 November 2007
    Mobility Scooters
    Mobility Scooters

    Authors:

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    Page Revisions

    1 Sept 2004
    - Page created. AVL 3.14

    2 Sept 2004
    - A few links fixed.
    - Comments added to AVL's Makefile (in new avl3.14.tar.gz)

    13 Oct 2004
    - Fixed compilation problems occurring on some compilers. AVL 3.15
    - Windows executable provided (courtesy Hal Youngren).

    18 Oct 2004
    - Fixed bug in handling of runtime-loaded input file. AVL 3.16

    28 Aug 2005
    - Fixed bug in the design-variable implementation. AVL 3.18
    - Added CY (sideforce) constraint to the available list.

    24 Oct 2005
    - Fixed printing error in stability-axis yaw rate r'b/2V. AVL 3.20

    25 Oct 2005
    - Fixed small error in axis transformations in Cl,Cn moment calculations. AVL 3.21

    12 Nov 2005
    - Fixed and clarified stability derivative output. Added strip cl to surface listing output. AVL 3.22

    17 Mar 2006
    - Added a non-existent airfoil file check and warning. Added Pan and Expand hot keys to Keystroke Viewer. AVL 3.24

    29 Apr 2006
    - Set default printnames for run-case parameter units.
    - Added freestream-referenced cl to Trefftz-Plane plot.
    - Fixed hinge-moment calculation for leading-edge flaps.
    - AVL 3.26

    11 Aug 06
    - Windows executable of AVL 3.26 provided (courtesy of Doug Greenwell)

    28 Feb 07
    - Modified the GPL summary above. Previously this wasn't a correct GPL interpretation, as discussed here .

    23 May 08
    - Removed the small influence of CLAF on the zero-lift angle.
    - Added file output options to listing commands (FT,FN,FS,etc)
    - Made a bunch of other minor tweaks (see version_notes.txt)
    - AVL 3.27

    21 Jul 08
    - Windows executable of AVL 3.27 provided (courtesy of Ralph Paul)