GASP based tail geometry work - #1285
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…sign:compute_vtail_volume_coeff
…TestEmpennageGroup.
…lTail.VOLUME_COEFFICIENT to BWBPreMissionGroupTest
….COMPUTE_VTAIL_VOLUME_COEFF
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Summary
Here is a summary of this PR:
MomentRatiothat computesAircraft.HorizontalTail.MOMENT_RATIOandAircraft.VerticalTail.MOMENT_RATIO.Aircraft.Design.COMPUTE_HTAIL_VOLUME_COEFFandAircraft.Design.COMPUTE_VTAIL_VOLUME_COEFF.--
Aircraft.HorizontalTail.MOMENT_RATIO,--
Aircraft.VerticalTail.MOMENT_RATIO,--
Aircraft.HorizontalTail.VOLUME_COEFFICIENT,--
Aircraft.VerticalTail.VOLUME_COEFFICIENT,ChordCheck.This component
ChordCheckdoes not have an output. It is added to address the issue in #1089. In GASP, horizontal tail root chord, taper ratio and aspect ratio are computed and updated during the run. But In Aviary, taper ratio and aspect ratio are inputs and they can not be updated during a simulation.Ideally, they should be set in
preprocessors.pyif they need to be updated. But the computation is too complicate to be handled inpreprocessors.py. So, what I am doing is to issue warnings for users to adjust their dataset and rerun.GASP has another warning message when horizontal tail area is more than half of that of wing. That message is for Boeing's joined winged concept. This concept is not in the version of GASP that we have nor in Aviary. So, I don't add it in this PR.
Related Issues
Backwards incompatibilities
None
AI Usage
None.