Adding MPhys Interface

[timryanb]

Purpose

Expected time until merged

Type of change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (non-backwards-compatible fix or feature)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Documentation update
• Maintenance update
• Other (please describe)

Testing

Checklist

• I have run flake8 and black to make sure the Python code adheres to PEP-8 and is consistently formatted
• I have formatted the Fortran code with fprettify or C/C++ code with clang-format as applicable
• I have run unit and regression tests which pass locally with my changes
• I have added new tests that prove my fix is effective or that my feature works
• I have added necessary documentation

[codecov]

Codecov Report

Merging #401 (4dcddbe) into main (de09342) will decrease coverage by 2.15%.
The diff coverage is 69.12%.

@@            Coverage Diff             @@
##             main     #401      +/-   ##
==========================================
- Coverage   96.62%   94.47%   -2.15%     
==========================================
  Files          93      103      +10     
  Lines        6012     6412     +400     
==========================================
+ Hits         5809     6058     +249     
- Misses        203      354     +151     

Impacted Files	Coverage Δ
openaerostruct/aerodynamics/mtx_rhs.py	100.00% <ø> (ø)
...enaerostruct/functionals/total_aero_performance.py	100.00% <ø> (ø)
openaerostruct/functionals/total_performance.py	100.00% <ø> (ø)
openaerostruct/mphys/surface_contours.py	9.52% <9.52%> (ø)
openaerostruct/mphys/lift_distribution.py	11.76% <11.76%> (ø)
openaerostruct/mphys/aero_builder.py	86.88% <86.88%> (ø)
openaerostruct/mphys/aero_funcs_group.py	90.47% <90.47%> (ø)
openaerostruct/geometry/utils.py	61.78% <92.30%> (+0.91%)	⬆️
openaerostruct/mphys/aero_mesh.py	94.11% <94.11%> (ø)
openaerostruct/aerodynamics/coeffs.py	100.00% <100.00%> (ø)
... and 28 more

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[eytanadler]

My non-MPhys comments, Andrew has MPhys comments in progress

[eytanadler]

Is this necessary for MPhys?

[timryanb]

Yes, the minimum supported version for Mphys 1.0.0 is 3.15. This is due to a bug that was present in older version of OpenMDAO involving distributed derivatives