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Why do engineers use CFD?

“Computational fluid dynamics is the rapidly evolving science of numerically solving the equations of fluid motion to produce quantitative predictions and/or analyses of fluid flow phenomena. When used appropriately, CFD is often ideal for parametric studies or flow-physics investigations that would otherwise be impractical or impossible via entirely theoretical or experimental efforts.” read more

CFD Benefits   

Relatively low cost

  • Using physical experiments to get essential engineering data for design can be expensive.
  • Simulations are relatively inexpensive, and costs are likely to decrease as computers become more powerful.

Speed

  • Simulations can be executed in a short period of time.
  • Quick turnaround means engineering data can be introduced early in the design process.

Ability to simulate real conditions

  • Many flow and heat transfer processes cannot be (easily) tested.
  • Provides the ability to theoretically simulate any physical condition.

Additionally CFD provides

Insight

  • Gives a deeper insight into designs.
  • Enables the user to virtually look inside a design and see how it performs.

Foresight

  • CFD is a tool for predicting what will happen under a given set of circumstances, it can quickly answer many ‘what if?’ questions.
  • It can predict how a design will perform, and allow testing of many variations until you arrive at an optimal result.
  • All of this can be done before the physical design is built and tested.

Efficiency

  • Foresight gained from CFD helps to design better and faster.
  • Retrofit improvements are built and installed with minimal downtime.

 

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