Turbulence Modelling 58 - Introduction to LES RANS Hybrid Modelling and Detached Eddy Simulation
25Petroleum Downstream Crash Course Playlist:
https://www.youtube.com/playlist?list=PLhPfNw4V4_YQ13CnhacUqEVk-tZlU4ISE
OpenFOAM for Windows 10 Beginner Playlist
https://www.youtube.com/playlist?list=PLhPfNw4V4_YRhBU4IqSaToQ8_X543YQsZ
OpenFOAM Intermediate Playlist
https://www.youtube.com/playlist?list=PLhPfNw4V4_YSpWX6mSOlwWEOKVa6i_iuE
OpenFOAM Heat Transfer Playlist
https://www.youtube.com/playlist?list=PLhPfNw4V4_YR2Qa3Q9-AzNSF2J9Dc4_qT
Radiation Heat Transfer Learning Journal:
https://www.youtube.com/watch?v=uUzh9kh-WTo&list=PLhPfNw4V4_YRUUVUydQp-n6U-7uu1kJof
Turbulence Modelling Playlist
https://www.youtube.com/watch?v=F_Rxv9uMM3g&list=PLhPfNw4V4_YSnbYkJIBQ1kRN06Mmxe2Be
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.
http://doi.org/10.1023/A:1009995426001
WALE Model CFD Online
https://www.cfd-online.com/Wiki/Wall-adapting_local_eddy-viscosity_(WALE)_model
WALE Model Coefficient Justification
https://www.slideshare.net/mmer547/les-customization-en
For Pipe Flow Smagorinsky Coefficient Cs=0.1 is good
http://users.monash.edu.au/~bburn/pdf/csiro99_pipe.pdf
WALE Model Source Code in OpenFOAM
https://develop.openfoam.com/Development/openfoam/tree/OpenFOAM-v1912/src/TurbulenceModels/turbulenceModels/LES/WALE
https://develop.openfoam.com/Development/openfoam/blob/OpenFOAM-v1912/src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.H
https://develop.openfoam.com/Development/openfoam/blob/OpenFOAM-v1912/src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.C
k Equation Model (CFD online)
https://www.cfd-online.com/Wiki/Kinetic_energy_subgrid-scale_model
OpenFOAM k Equation Guide
https://www.openfoam.com/documentation/guides/latest/doc/guide-turbulence-les-k-eqn.html
Deviatoric Stress
https://www.continuummechanics.org/hydrodeviatoricstress.html
Strain Tensors
https://en.wikipedia.org/wiki/Infinitesimal_strain_theory#Infinitesimal_strain_tensor
LES Dynamic Smagorinsky model:
https://www.cfd-online.com/Wiki/Dynamic_subgrid-scale_model
What is backscatter?
https://en.wikipedia.org/wiki/Large_eddy_simulation
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)
https://www.iihr.uiowa.edu/gconstantinescu/files/2012/10/LES_models_1.pdf
Dynamic Models (Handout: Large Eddy Simulation II G. Constantinescu)
https://www.iihr.uiowa.edu/gconstantinescu/files/2012/10/LES_models_2.pdf
KEquation Models (Handout: Large Eddy Simulation III G. Constantinescu)
https://www.iihr.uiowa.edu/gconstantinescu/files/2012/10/LES_models_3.pdf
Hybrid Models (Handout: Large Eddy Simulation IV G. Constantinescu)
https://www.iihr.uiowa.edu/gconstantinescu/files/2012/10/LES_models_4.pdf
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
https://www.cfd-online.com/Wiki/Smagorinsky-Lilly_model