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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Cylinders & Spheres Conduction
Category   : Conduction

Files Included:
  - heat_conduction_cylinders_spheres.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 heat_conduction_cylinders_spheres.f90 -o heat_conduction_cyl_sph

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

  heat_conduction_cyl_sph < 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=Cylinder, 2=Sphere)
): 1
  Line 2 (Length L [m] (for Cylinder)
): 10.0
  Line 3 (Number of layers
): 2
  Line 4 (Layer 1 inner radius [m]
): 0.05
  Line 5 (Layer 1 outer radius [m]
): 0.07
  Line 6 (Layer 1 thermal conductivity [W/m-K]
): 0.5
  Line 7 (Layer 2 inner radius [m]
): 0.07
  Line 8 (Layer 2 outer radius [m]
): 0.1
  Line 9 (Layer 2 thermal conductivity [W/m-K]
): 0.04
  Line 10 (Inner surface temp [Â°C]
): 200.0
  Line 11 (Outer surface temp [Â°C]): 40.0

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