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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Prandtl-Meyer Expansion Fan
Category   : Fluid

Files Included:
  - prandtl_meyer.f90 (Fortran 90/2008 Source Code)
  - input.txt (Pre-configured Sample Input)

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1. How to Compile
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Make sure you have GNU Fortran (gfortran) or Intel Fortran (ifort) installed.
Run the following compilation command in your terminal:

  gfortran -O3 prandtl_meyer.f90 -o prandtl_meyer_calc

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2. How to Execute
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Run the compiled binary and pipe the input.txt file into stdin:

  prandtl_meyer_calc < input.txt

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3. Input Parameter Sequence
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Solve mode (1=Solve M2, 2=Solve theta, 3=Solve M1)
Upstream Mach M1
Deflection angle theta [deg]
Downstream Mach M2
Specific heat ratio gamma
Upstream Temp T1 [K]
Upstream Pressure P1 [kPa]

Website : https://thermofluidcalc.com
