Set aircraft-derived upper bounds on mass and distance states#1055
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bdphilli wants to merge 1 commit intoOpenMDAO:mainfrom
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Set aircraft-derived upper bounds on mass and distance states#1055bdphilli wants to merge 1 commit intoOpenMDAO:mainfrom
bdphilli wants to merge 1 commit intoOpenMDAO:mainfrom
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When mass_bounds or distance_bounds have None as the upper bound (the default), Dymos sets it to ~1e21. With mass_ref=1e4 and distance_ref=1e6, this creates scaled upper bounds of ~1e17 and ~1e15 respectively, while other design variables have scaled ranges of O(1). In build_phase(), replace None upper bounds with values derived from aviary_inputs: 2x GROSS_MASS for mass, 2.5x DESIGN_RANGE for distance. This reduces scaled upper bounds to O(10), matching the scale of other design variables. User-specified bounds are preserved — the override only applies when the upper bound is None. Addresses OpenMDAO#607
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When mass_bounds or distance_bounds have None as the upper bound (the default), Dymos sets it to ~1e21. With mass_ref=1e4 and distance_ref=1e6, this creates scaled upper bounds of ~1e17 and ~1e15 respectively, while other design variables have scaled ranges of O(1).
In build_phase(), replace None upper bounds with values derived from aviary_inputs: 2x GROSS_MASS for mass, 2.5x DESIGN_RANGE for distance. This reduces scaled upper bounds to O(10), matching the scale of other design variables.
User-specified bounds are preserved — the override only applies when the upper bound is None.
Addresses #607