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Added mass to the name of variables related to fuel masses#1171

Merged
jkirk5 merged 10 commits into
OpenMDAO:mainfrom
hschilling:IA1164-fuel-mass-name-change
Jun 15, 2026
Merged

Added mass to the name of variables related to fuel masses#1171
jkirk5 merged 10 commits into
OpenMDAO:mainfrom
hschilling:IA1164-fuel-mass-name-change

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@hschilling

@hschilling hschilling commented Jun 4, 2026

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Summary

Variables related to fuel masses (such as Mission.FUEL) do not specify they are masses in their name. This PR corrects that.

Related Issues

Backwards incompatibilities

Aircraft.Engine.CONSTANT_FUEL_CONSUMPTION -> Aircraft.Engine.CONSTANT_FUEL_MASS_CONSUMPTION
Aircraft.Fuel.AUXILIARY_FUEL_CAPACITY -> Aircraft.Fuel.AUXILIARY_FUEL_MASS_CAPACITY
Aircraft.Fuel.WING_FUEL_CAPACITY -> Aircraft.Fuel.WING_FUEL_MASS_CAPACITY
Dynamic.Vehicle.Propulsion.FUEL_FLOW_RATE -> Dynamic.Vehicle.Propulsion.FUEL_MASS_FLOW_RATE
Dynamic.Vehicle.Propulsion.FUEL_FLOW_RATE_NEGATIVE -> Dynamic.Vehicle.Propulsion.FUEL_MASS_FLOW_RATE_NEGATIVE
Dynamic.Vehicle.Propulsion.FUEL_FLOW_RATE_NEGATIVE_TOTAL -> Dynamic.Vehicle.Propulsion.FUEL_MASS_FLOW_RATE_NEGATIVE_TOTAL
Mission.BLOCK_FUEL -> Mission.BLOCK_FUEL_MASS
Mission.RESERVE_FUEL_ADDITIONAL -> Mission.RESERVE_FUEL_MASS_ADDITIONAL
Mission.TOTAL_FUEL -> Mission.TOTAL_FUEL_MASS
Mission.TOTAL_RESERVE_FUEL -> Mission.TOTAL_RESERVE_FUEL_MASS
Mission.Constraints.EXCESS_FUEL_CAPACITY -> Mission.Constraints.EXCESS_FUEL_MASS_CAPACITY
Mission.Takeoff.FUEL -> Mission.Takeoff.FUEL_MASS
Mission.Taxi.FUEL_TAXI_IN -> Mission.Taxi.FUEL_MASS_TAXI_IN
Mission.Taxi.FUEL_TAXI_OUT -> Mission.Taxi.FUEL_MASS_TAXI_OUT

New Dependencies

None

@jkirk5

jkirk5 commented Jun 11, 2026

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Added list of backwards incompatibilities

@jkirk5 jkirk5 left a comment

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Docs seem to still be missing a couple name changes causing the test failure. Not sure how they dodged the find/replace, which seemed to work everywhere else!!

@jkirk5 jkirk5 added this pull request to the merge queue Jun 15, 2026
Merged via the queue into OpenMDAO:main with commit ab09a8c Jun 15, 2026
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Fuel mass variable name change

2 participants