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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Pin Fin & Spine Calculator
Category   : Conduction

Files Included:
  - pin_fin_calculator.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 pin_fin_calculator.f90 -o pin_fin_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:

  pin_fin_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 (Fin cross-section shape (1=Cylindrical, 2=Conical, 3=Parabolic, 4=Rectangular)
): 1
  Line 2 (Diameter/Width d [mm]
): 5.0
  Line 3 (Thickness t [mm]
): 5.0
  Line 4 (Length L [mm]
): 100.0
  Line 5 (Thermal conductivity k [W/m-K]
): 200.0
  Line 6 (Convection coefficient h [W/m2-K]
): 20.0
  Line 7 (Base temperature T0 [Â°C]
): 100.0
  Line 8 (Ambient temperature Tinf [Â°C]
): 20.0
  Line 9 (Tip condition (1=Infinitely long, 2=Adiabatic, 3=Convective, 4=Fixed Temp)
): 1
  Line 10 (Tip temperature [Â°C]
): 50.0
  Line 11 (Tip convection coefficient [W/m2-K]): 20.0

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