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The physics of fluid flow are governed by partial differential equations, known as Navier-Stokes equations. These are both coupled and non-linear, and so have no general analytical solution. They can however be simplified to Euler equations by removing terms that describe viscosity. By further removing terms describing viscosity yields the full potential equations. These can then be linearised to yield the linearised potential equations.

Initially, the only feasible way of generating useful flow data was experimentally. This is no longer the case today. Computational fluid dynamics (CFD) is commonly used to generate numerical solutions to the above outlined equations. There are many advantages to using CFD over collecting data experimentally. One of these is cost savings, as it can be extremely expensive to simulate accurate wind tunnel models or complex geometry. It is also very straightforward to change one or more variable to optimise the component once a suitable model has been generated. CFD codes can also

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Cost Savings And Computational Fluid Dynamics. (June 26, 2021). Retrieved from https://www.freeessays.education/cost-savings-and-computational-fluid-dynamics-essay/