Cfd 101

An introduction to pressure-based coupled algorithms that are used by modern CFD codes including ANSYS Fluent, OpenFOAM ...

This talk discusses the different reference velocities that can be used in the definition of Turbulence Intensity, and the effect that ...

An introduction to the multi-grid method that is used in the majority of finite volume based CFD codes to solve sets of linear ...

A physical explanation of the Gauss-Seidel algorithm that is used in modern CFD codes. The algorithm is explained using a basic ...

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A physical explanation of how cell aspect ratio affects the numerics of steady-state and transient CFD simulations. Timestamps: ...

Part 2 of the lecture series on pressure-based coupled algorithms that are used by modern CFD codes to address the ...

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An introduction to relaxation and how it can be used to help improve convergence in CFD. 0:00 Introduction 1:32 Example ...

Part 2 of the lecture series on residuals in CFD. In this talk, the following topics are covered: 0:00 Introduction 1:11 A recap of how ...

[CFD] The PISO Algorithm An overview of the key stages in the PISO (Pressure-Implicit Splitting of Operators) Algorithm that was ...

An overview of the inflation layer generation process used by meshing software for CFD (Part 2). Timestamps: 0:00 Introduction ...

An introduction to eddy viscosity models, which are a class of turbulence models used in RANS and LES. Popular eddy viscosity ...

A basic overview of the material derivative, conservative and advective forms of the Navier-Stokes equations. Time stamps 0:00 ...

A simple method for assessing how fine a CFD mesh should be in the wall normal direction to ensure that the boundary layer (wall ...

[CFD] Eulerian Multi-Phase Modelling An introduction to Eulerian multi-phase modelling in CFD. Eulerian multi-phase modelling ...

An introduction to the Courant number in modern Computational Fluid Dynamics (CFD) codes. The following topics are covered: ...

An introduction to Large Eddy Simulation (LES) and how to make the transition from RANS to LES. The following topics are ...

Part 3 of the lecture series on residuals in CFD, focusing on mass imbalance, normalisation and how normalisation is different to ...

A summary of 'pressure-inlet' boundary conditions which are used in CFD, particularly for compressible flows and buoyancy ...

Part 2 of my introduction to Large Eddy Simulation (LES) series. The following topics are covered: 1) 17:01 What is the resolved ...

An introduction to the non-orthogonality of cells in CFD. Non-orthogonality is a key metric that is required by all mainstream CFD ...

A brief introduction to the Spalart-Allmaras turbulence model. The following topics are covered: 1) 3:04 Why was the ...

A brief showcase of Case Study C: 'Reactor Scale CFD for Decay Heat Removal in a Lead-cooled Fast Reactor', from the Nuclear ...

This talk presents a conceptual approach for understanding Large Eddy Simulation (LES) sub-grid models. The talk does not ...

An introduction to staggered grids in Computational Fluid Dynamics (CFD). Staggered grids are used to avoid chequerboard ...