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The purpose of this tutorial is to illustrate the setup and solution of a steady flow past a circular cylinder. Flow past a circular cylinder is one of the classical problems of fluid mechanics. For this problem, we will be looking at Reynolds number of 20. 

\large
$$
{Re

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} = {\rho VD \over \mu}
$$

We know D = 2 m. To obtain Re = 20, we can arbitrarily set ρ, v V and μ. For our case, let's set ρ = 1 kg/m ³ , v V = 1 m/s and μ = 0.1 kg/ms.

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We'll create the geometry and mesh in GAMBIT which is the preprocessor for FLUENT, and then read the mesh into FLUENT and solve for the flow solution.
Go to Step 1: Create Geometry in GAMBIT

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