ENH: Refactor Aero Surface, Make GenericSurface the Mother Class#1064
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MateusStano wants to merge 8 commits into
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ENH: Refactor Aero Surface, Make GenericSurface the Mother Class#1064MateusStano wants to merge 8 commits into
GenericSurface the Mother Class#1064MateusStano wants to merge 8 commits into
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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Every aerodynamic surface is now rooted in GenericSurface and stores its force coefficients in the body frame (cN/cY/cA) plus the cm/cn/cl moments, exposing all nine coefficients (cL/cD/cQ/cN/cY/cA/cm/cn/cl) with the wind trio lazily derived. A force_convention argument lets users supply wind- or body-frame coefficients. Barrowman surfaces (nose, tail, fin sets) keep the classic geometric normal-force/moment method, report the force at the geometric center of pressure via the classic 180-degree surface rotation, and expose cN_alpha/cY_beta stability slopes (the old clalpha relabelled). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Replace the poorly defined calisto_linear_generic fixture, which kept the Barrowman nose cone and tail and swapped only the fins for a LinearGenericSurface with arbitrary made-up coefficients. The new fixture is a standalone Calisto whose nose cone, tail and fins are all LinearGenericSurfaces built from coefficient curves extracted off the standard Barrowman surfaces (normal-force-curve slope, center of pressure, fin roll damping). Each linear surface applies its force at its own origin and is placed at the source surface's center-of-pressure station, so both the static-margin path and the flight-moment path land at the same point as calisto_robust. The resulting flight matches the standard Calisto (identical apogee, out-of-rail time and ascent angle of attack), so the fixture now exercises the linear generic-surface path against a known-good reference. Also fix test_linear_generic_surface_flight_is_stable to check the angle of attack only during the ascent off the rail: on the rail the freestream speed is ~0 and the angle of attack is reported as a degenerate 90 degrees for any launcher, which previously failed the < 45 assertion. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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TBD