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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : 1D Isentropic Compressible Flow
Category   : Fluid

Files Included:
  - compressible_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 -ffree-line-length-none compressible_flow.f90 -o comp_flow

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

  comp_flow < 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 (Mach Number ($M$)): 2.0
  Line 2 (Specific Heat Ratio ($\gamma$)): 1.4
  Line 3 (Stagnation Temperature ($T_0$) [K]): 300.0
  Line 4 (Stagnation Pressure ($P_0$) [kPa]): 100.0

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