Turbulence Modelling 58 - Introduction to LES RANS Hybrid Modelling and Detached Eddy Simulation

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Petroleum Downstream Crash Course Playlist:

OpenFOAM for Windows 10 Beginner Playlist

OpenFOAM Intermediate Playlist

OpenFOAM Heat Transfer Playlist

Radiation Heat Transfer Learning Journal:

Turbulence Modelling Playlist

F. Nicoud and F. Ducros. Subgrid-Scale Stress Modelling Based on the Square of the Velocity Gradient Tensor. Flow Turbulence and Combustion, 62(3):183–200, 1999.

WALE Model CFD Online

WALE Model Coefficient Justification

For Pipe Flow Smagorinsky Coefficient Cs=0.1 is good

WALE Model Source Code in OpenFOAM

k Equation Model (CFD online)

OpenFOAM k Equation Guide

Deviatoric Stress

Strain Tensors

LES Dynamic Smagorinsky model:

What is backscatter?

Sagaut, P. (2006). Large eddy simulation for incompressible flows: an introduction. Springer Science & Business Media.

Pope, S. B. (2001). Turbulent flows.

Classic Smagorinsky (Handout: Large Eddy Simulation I G. Constantinescu)

Dynamic Models (Handout: Large Eddy Simulation II G. Constantinescu)

KEquation Models (Handout: Large Eddy Simulation III G. Constantinescu)

Hybrid Models (Handout: Large Eddy Simulation IV G. Constantinescu)

Spalart Allmaras DES Model
Spalart, P., Jou, W.-H., Strelets, M., & Allmaras, S. (1997). Comments on the feasibility of LES for winds, and on a hybrid RANS/LES approach. 1, 4–8.

Smagorinsky Lilly Model
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Hi thanks for your effort, could you upload a video or a tutorial on how it may be possible to use hybrid models in openfoam? Thank you.

iloveprata
Автор

Thank you for these videos! It is very kind of you to take to time to make these.

carolinewilhelm