Atmosphere Incorporation: USatm1976, MIL_SPEC_210A Hot/Cold/Polar/Tropical, and Offsets#950

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ehariton wants to merge 53 commits intoOpenMDAO:mainfrom

Commits on Dec 8, 2025

broke out US standard Atmosphere raw data into its own file. New data files for raw MIL_SPEC_210A data in its original units for easy comparison. changed references to USATM to just atmosphere.py a…
ehariton
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Commits on Dec 9, 2025

added options isa_delta_T_Kelvin and data_source, removed computation of drhos_dh and dsos_dh which were used for calculating MaxQ for spacecraft, reverted density to be computed based on raw densi…
ehariton
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added unit conversion to _build_akima_coefs
ehariton
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successfully generating akimas from _build_akima_coefs, moved atm_data extractor out of individual raw atmosphere files and consolidated into one call inside of _build_akima_coefs
ehariton
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calculated akimas for all raw data
ehariton
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added peroperly interpolated altitude data to each atmosphere model because the raw data could be in different units.
ehariton
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fixed error in density calcs thanks to Jess for spotting that. updated partials to match updated compute, added (int,float) option to to delta_T_Kelvin to allow for user typing in 15 without a deci…
ehariton
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half started test_atmosphere and USatm1976TestCase1, it needs more work
ehariton
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Commits on Dec 10, 2025

moved library option load from init to setup because options dont have values in init, tested outputs against source data manually and good match. requres inHg60 unit conversion which was added to …
ehariton
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Commits on Dec 15, 2025

revised user guide to atmosphere model and added testing section to atmosphere.py
ehariton
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Commits on Dec 17, 2025

merge main
ehariton
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Commits on Jan 5, 2026

Commits on Jan 7, 2026

Commits on Jan 9, 2026

Merge branch 'main' into atm2
Kenneth-T-Moore
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