Tuesday 8 December 2015

The "What" question of CFD

What is CFD? 
  • Computational fluid dynamics, usually abbreviated as CFD, is a branch of fluid mechanics that uses numerical analysis and algorithms to solve and analyze problems that involve fluid flows.
  •  Computers are used to perform the calculations required to simulate the interaction of liquids and gases with surfaces defined by boundary conditions.
  • This technique is very powerful and and spans a wide range of industrial and non-industrial application areas.
  • Some of the widely used examples are as follows:

  1. Aerodynamics applications:
  •  Mainly used in the aerodynamics of aircraft and vehicles: Lift and Drag 
Analysis of flow over aerofoil
Analysis of flow over Aeroplane
Analysis of flow over C-D nozzle

                And many more......

  2.  Automobile applications:

External flow analysis over a car
Flow analysis over a bicycle

And many more...

 3.Bio-medical applications:

Cardio-vascular CFD preparation

computational fluid dynamics (CFD) models of cerebral aneurysms are used to understand the role of blood flow in the rupture process
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And many more...

Apart from all these major applications, CFD is used in various other major applications as follows:

  • Hydrodynamics of ships
  • Power plant: Combustion in IC engines and gas turbines
  • Turbo machinery: Flow inside rotating passages, diffuses etc.
  • Chemical process engineering: mixing and separation, moulding  etc.,
  • marine engineering: loads on off shore-structures.
  • meteorology: Whether prediction
  • Environmental engineering: distribution of pollutants and effluents.
  • Hydrology and oceanography: Flow through rivers, estuaries, oceans etc.,

1 comment:

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