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Turbulence Modeling Introduction

Subsections

  • What is Turbulence?
    • Reynolds number
    • Laminar vs. Turbulent Flow
    • Turbulence Fluctuations
    • Mean Velocity Profile
    • Developed Boundary Layer
    • Boundary Layer Thickness
    • Momentum Thickness
    • Reynolds number 1 5
    • Reynolds number 2 5
    • Turbulent Boundary Layer
    • Friction Coefficient 3 2
    • Pressure Coefficient 4 3
  • How to model turbulence?
    • Turbulence Modeling Scheme
    • RANS – Reynolds Averaged Navier-Stokes Equations
      • Wikipedia:
    • DNS – Direct Numerical Simulation
      • Wikipedia:
    • LES – Large Eddy Simulation
      • Wikipedia:
    • DES – Detached Eddy Simulation
      • Wikipedia:
  • Big Decisions to Make
    • Transient or Steady-state?
    • If RANS, wall functions? Or resolved to the wall (low-Reynolds models)?
    • If RANS, Reynolds Stress Models (RSM)?
    • If RANS, Fully Turbulent? Or the Transition?
  • Notes on Turbulence Modeling

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