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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Rayleigh Flow Calculator
Category   : Fluid

Files Included:
  - rayleigh_flow.f90 (Fortran Source Code)
  - input.txt (Pre-configured Sample Input)

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1. How to Compile
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Make sure you have a Fortran compiler installed (like gfortran).
Run the following compilation command in your terminal:

  gfortran -O3 rayleigh_flow.f90 -o rayleigh_flow_calc

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

  rayleigh_flow_calc < input.txt

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3. Input File Details
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The input file 'input.txt' contains sequential parameters separated by
newlines. Here is the structure of the included 'input.txt':

  Line 1 (Inlet Mach number M1
): 0.5
  Line 2 (Specific heat ratio gamma
): 1.4
  Line 3 (Inlet stagnation temp T0 [K]
): 300.0
  Line 4 (Inlet stagnation pressure P0 [kPa]
): 101.325
  Line 5 (Heat added q [kJ/kg]): 50.0

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