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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Drag Force Calculator
Category   : Fluid

Files Included:
  - drag_force_calculator.f90 (Fortran 90/2008 Source Code)
  - input.txt (Pre-configured Sample Input)

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1. How to Compile
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Make sure you have GNU Fortran (gfortran) or Intel Fortran (ifort) installed.
Run the following compilation command in your terminal:

  gfortran -O3 drag_force_calculator.f90 -o drag_calc

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

  drag_calc < input.txt

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3. Input Parameter Sequence
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Object shape (1=Sphere, 2=Cylinder, 3=Flat Disk, 4=Streamlined body)
Characteristic dimension (Diameter/Length) [m]
Flow velocity [m/s]
Fluid density [kg/m3]
Fluid dynamic viscosity [Pa-s]

Website : https://thermofluidcalc.com
