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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : 2D Thermal Bridge Calculator
Category   : Conduction

Files Included:
  - thermal_bridge.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 thermal_bridge.f90 -o thermal_bridge_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:

  thermal_bridge_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 (Bridge Type (1=Concrete column bridge, 2=Linear slab bridge)
): 1
  Line 2 (Inner temp [Â°C]
): 20.0
  Line 3 (Outer temp [Â°C]
): -10.0
  Line 4 (Inner film resistance Rsi [m2-K/W]
): 0.13
  Line 5 (Outer film resistance Rse [m2-K/W]
): 0.04
  Line 6 (Bridge thermal conductivity k_bridge [W/m-K]
): 1.7
  Line 7 (Bridge thickness t_bridge [mm]
): 200.0
  Line 8 (Bridge width/length w_bridge [mm]
): 300.0
  Line 9 (Number of layers
): 2
  Line 10 (Layer 1 thickness [mm]
): 150.0
  Line 11 (Layer 1 thermal conductivity [W/m-K]
): 1.5
  Line 12 (Layer 2 thickness [mm]
): 50.0
  Line 13 (Layer 2 thermal conductivity [W/m-K]
): 0.03
  Line 14 (Length along bridge axis L [m]): 1.0

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