The main objective of this tutorial is to provide step by step guide to perform CFD analysis of unsteady flow using ANSYS FLUENT software. To conceptualize the idea of unsteady flow over a structure, in this tutorial we have considered flow of water over a square cylinder. One of the objective is to learn the process of solving unsteady flow past square cylinder, but the important objective is to understand vortex shedding created on an object. Once the technique is learned, you can apply same procedure for practical cases like flow over tall chimney, building structure, overhead power lines.

This tutorial is a well-known academic problem that one should solve while learning CFD. One of the objective is to learn the process of solving backward step problem, but the important objective is to understand standards of getting solution for such physics. This tutorial is based on CFD modeling software ANSYS FLUENT and will cover simulation steps and post processing required to solve steady state, turbulent flow over backward facing step.

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