Ansys Learning Forum Forums Discuss Simulation Fluids “Warning: cannot modify NASA9 piecewise polynomials for air.” Reply To: “Warning: cannot modify NASA9 piecewise polynomials for air.”

Essence
Ansys Employee

Hello,

Which version are you using? Ensure you have 2T model as well as cfd_hsf license to run the hypersonic cases. Did you try to change the coefficients of NASA 9-coeffs?