ANSYS Fluent Tutorial: 2D Moving Airfoil Blade | Sliding Mesh + k–ε Model | Complete CFD Workflow

Welcome to this complete step-by-step ANSYS Fluent tutorial on simulating a 2D Moving Airfoil Blade using the Sliding Mesh approach.

In this video, we cover the entire CFD workflow — from geometry creation and meshing to Fluent solver setup and post-processing — for capturing the unsteady flow physics generated by rotating blades.

This case uses the Sliding Mesh method along with the standard k–ε turbulence model to accurately resolve the time-dependent interaction between the moving airfoil blade and the surrounding airflow.

This tutorial is ideal for students, researchers, and CFD engineers working on:
Rotating machinery
Wind turbines
Fans and propellers
Airfoil aerodynamics
Unsteady flow simulations

🔍 What You Will Learn in This Video

✔ Geometry creation for a moving airfoil
✔ Structured / quad-based meshing strategy
✔ Sliding mesh vs rotating reference frame (conceptual clarity)
✔ Zone setup for rotating and stationary domains
✔ Standard k–ε turbulence model setup
✔ Time-step selection for unsteady simulations
✔ Monitoring lift, drag, and flow structures
✔ Post-processing velocity, pressure, and vortex shedding

⚙️ Simulation & Model Details

Solver: Coupled, Transient
Motion Method: Sliding Mesh
Turbulence Model: Standard k–ε
Flow Type: Unsteady, incompressible
Application: Moving airfoil / rotating blade aerodynamics

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If you want to master CFD professionally, I offer personalized training and project support in:

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✔ STAR-CCM+
✔ Rotating & sliding mesh simulations
✔ Turbulence modeling (RANS / LES basics)
✔ Multiphase flows (VOF, DPM, Eulerian)
✔ Dynamic mesh & overset mesh
✔ UDF coding (motion, BCs, source terms)
✔ Academic & industrial CFD projects
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