Ansys Fluent Tutorial | Shock in Nozzles Fundamentals Explained in 21 Minutes!
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Ansys Fluent Tutorial | Compressible Flow in Nozzle Fundamentals Explained in 21 Minutes!
In this tutorial, we’ll model a convergent–divergent (CD) nozzle in ANSYS Fluent and investigate the formation of a normal shock wave inside the divergent section. Using a 2D axisymmetric approach, we simplify the nozzle as a quasi-1D flow and analyze how inlet and outlet pressure conditions influence the shock location.
🔍 What you’ll learn in this video:
✅ Setting up a 2D axisymmetric model for a CD nozzle
✅ Defining compressible air with the ideal gas law and the Sutherland viscosity model
✅ Applying pressure inlet and pressure outlet boundary conditions
✅ Using Full Multigrid (FMG) Initialization and pseudo time stepping for stable convergence
✅ Visualizing velocity and pressure contours to study shock wave behavior
This tutorial is useful for students, researchers, and engineers interested in compressible flow, nozzle design, and shock wave analysis.
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0:00 2:58 Introduction
2:59 6:09 Geometry
6:10 8:03 Mesh
8:04 10:06 Material and Model
10:07 12:51 Boundary conditions
12:52 14:52 Methods and Initialization
14:53 16:52 The challenge of a non-converging solution
16:53 17:23 How to fix it
17:24 21:00 Discussion of Results
#ANSYS #Fluent #CFD #CompressibleFlow #Nozzle #ShockWave #AerospaceEngineering