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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Blackbody Radiation Solver
Category   : Radiation

Files Included:
  - blackbody_radiation.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 blackbody_radiation.f90 -o blackbody_radiation

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

  blackbody_radiation < 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 (Calculation Mode (1=Net exchange, 2=Spectral distribution)
): 1
  Line 2 (Surface 1 Temperature T1 [K]
): 1000.0
  Line 3 (Surface 2 Temperature T2 [K]
): 300.0
  Line 4 (Surface Area [m2]
): 1.0
  Line 5 (View Factor F12): 1.0

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