FAeroSurfaceAccommodation

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   Computes the aerodynamic force using surface accommodation coefficients.
   User inputs a data structure specifying a set of planar areas.
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   Form:
   f = FAeroSurfaceAccommodation( u, d )
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   Inputs
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   u              (3,:)  Velocity vector (m/sec^2)
   rho            (1,1)  Atmospheric Density (kg-m^2)
   t              (1,1)  Atmospheric Temperature
   m              (1,1)  Mean molecular weight
   d              (1,1)  Plate data structure
                         .area        (1,:) Areas
                         .normal      (3,:) Normals
                         .temperature (1,:) Temperatures

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   Outputs
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   force          (3,1)  Total force (N)
   cD             (1,1)  Equivalent coefficent of drag

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