Release Notes
flow5 v7.54, January 1st, 2026
General linked flow5 to the Gmsh SDK refactored the code to isolate modeler and solver classes into a library
Modelling/Meshing all meshing interfaces modified to use the Gmsh library in addition to the built-in custom mesher added an option to build fuse meshes conforming to the wings mid-camber line removed panel connections at the edges of flaps; slight impact on pitching moment removed panel connections between fuselage anbd wings; slight impact on pitching moment removed IGES import and export options due to changes of symbol names in the OCC library changed the evaluation of inertia properties in the case of an xfl-type fuselage to use OCC instead of the built-in custom evaluator; slight impact on evaluations minor improvements to the export of wings to AVL
Analysis fixed issues with the velocity parameter in LLT calculations removed the option to tilt the wings from AVL controls in linear polars; controls will need to be rebuilt added an option to force transitions at hinge location in 2d batch and 3d OTF calculations
Post-processing fixed minor issues in the 3d display of LLT results
UI bunch of minor improvements and bug fixes
Other removed number format localization in the fl5-lib module deep code cleaning
flow5 v7.53, January 1st, 2026
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