# Turbulence Modeling Best Practices in Ansys Fluent

## Webinar Name: Turbulence Modeling Best Practices in Ansys Fluent

### Webinar Description:

Learn how turbulence model selection can impact simulation accuracy — even for seemingly simple applications.  The demonstration highlights the relevance of adhering to turbulence modeling best practices, as it relates to competition in the sector.

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### Turbulence Modeling Examples

##### Single-Equation Models
• Spalart-Allmaras \sNut-92 \sWray-Agarwal
• Models with two equations: Menter k-omega SST
• k-omega Menter BSL
• k-omega Wilcox
• The Chien K-Epsilon
• Expressed Algebraic Stress K-kL k-omega
• Algebraic Stress Explicit k-kL
• K-e-Rt: Three-Equation Models
• Elliptic Relaxation combined with three equations:
• K-e-zeta-f
• Seven-Equation Wilcox Stress-omega SSG/LRR: Full Reynolds Stress Models Based on Omega
• Seven-Equation GLVY Stress-epsilon Turbulence+Transition Models: Epsilon-Based Full Reynolds Stress Models
##### Single-Equation Models
• SA-BCM
• WA-AT
• K-gamma Two-Equation Models
• WA-gamma
• SA-AFT Three-Equation Models
• New SA-noft2-Gamma-Retheta
• Models with four equations: SST-2003-LM2009

### Cases and Grids for Validating Turbulence Modeling

##### Simple Turbulence Cases
• ZP: 2D Flat plate with zero pressure gradient
• ML: 2D Blending Layer
• 2DANW: 2D A near-wake airfoil
• 2DN00: 2D 0012 NACA airfoil
• Axisymmetric Subsonic Jet (ASJ)
• axisymmetric hot subsonic jet (AHSJ)
• Axisymmetric Near-sonic Jet (ANSJ)
• Axisymmetric Separated Boundary Layer (ASBL)
• ATB stands for Axial Transonic Bump.
##### Extended Turbulence Cases:
• 2DZPH: 2D Flat plate with a high Mach number and zero pressure gradient.
• 2DBFS: 2D Step facing the rear
• 2DN44: 2D Airfoil trailing edge separation NACA 4412
• CC: 2D border layer with convex curvature
• 2DWMH: 2D NASA hump separated flow mounted on a wall
• Near M=7, ASWBLI stands for Axisymmetric Shock Wave Boundary Layer Interaction.
• Axisymmetric Cold Supersonic Jet (ACSSJ)
• Axisymmetric Hot Supersonic Jet (AHSSJ)
• 3DSSD: 3D Square supersonic duct