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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Variable Conductivity k = f(T)
Category   : Conduction

Files Included:
  - dependent_k.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 dependent_k.f90 -o dependent_k_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:

  dependent_k_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 (Geometry (1=Slab, 2=Cylinder, 3=Sphere)
): 1
  Line 2 (Slab thickness L [m]
): 0.1
  Line 3 (Slab area A [m2]
): 1.0
  Line 4 (Conductivity model (1=Linear, 2=Quadratic, 3=Tabular)
): 1
  Line 5 (Reference conductivity k0 [W/m-K]
): 1.5
  Line 6 (Temperature coefficient beta [1/K]
): 0.003
  Line 7 (Boundary 1 temperature T1 [Â°C]
): 300.0
  Line 8 (Boundary 2 temperature T2 [Â°C]): 50.0

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