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CIT Modules & Programmes - MECH - Computational Fluid Dynamics
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Computational Fluid Dynamics
Email or Customer ID. Forgot password? Old Password. A common phenomenon to be modeled in the case of all practical flows is turbulence. Depending on the case, there may be many other differential equations and constitutive models that describe the flow.
Principles of Computational Fluid Dynamics
The task of the flow simulation is to solve these equations with the user-specified boundary conditions. The solution contains a huge number of data. In order to gain an insight to the calculated result, visualization methods are used. This stage is also called 'post-processing'. With new visualization methods it has been easier to understand the structures of fluid flow, which has facilitated theoretical fluid mechanics.
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The role of CFD has become so strong that it can be considered as a third area of fluid dynamics. The other two classical fields are experimental and theoretical fluid dynamics. The origin of CFD is in the aerospace industry.
Today it has become an essential tool in almost every field of engineering science. There are also other type of applications such as environmental flows and perhaps most important of all: weather prediction. The same Navier-Stokes equations govern all flows - from blood vessels to large oceanographic flows, from jet engines to room ventilation etc.
However, the physics of the flow is very different in these cases. As was mentioned above, turbulence is the most important and a common factor that requires sophisticated modeling in all cases.
Also the solution algorithms differ from each others in different fields of application. Everyone has noticed that a numerical weather prediction sometimes may fail completely.