Intro

Agenda

History of CFD

What is CFD?

Why do we use CFD?

How does CFD help in the Product Development Process?

"Divide & Conquer" Approach

Terminology

Steps in a CFD Analysis

The Mesh

Cell Types

Grid Types

The Navier-Stokes Equations

Approaches to Solve Equations

Solution of Linear Equation Systems

Model Effort - Part 1

Turbulence

Reynolds Number

Reynolds Averaging

Model Effort Turbulence

Transient vs. Steady-State

Boundary Conditions

Recommended Books

Topic Ideas

End : Outro

How does the finite volume method work?

What special treatment is used for the convection and diffusion terms?

How is the Courant Number calculated in 1D?

How is the Courant Number calculated for general 3D cells?

What are the recommended values of Courant Number in CFD?

How does adjustable time stepping work?

What is CFD?

CFD in the Medical Field

How does CFD work?

CFD as a Design Tool

CFD Career

Popular CFD Solvers

R&D of OEMs

Course outline

How to ask questions

Submitting assignments

How small should y+ be for an accurate solution?

How small should my cells be to ensure that I achieve the target y+?

What can I use for a good initial guess?

A FREE, EASY TO USE CALCULATOR!

What are wall functions and why are they needed?

Log-law and viscous sub-layer treatment

The buffer layer, blending functions and Spalding's wall function.

What CFD codes actually do, gradient calculations and wall viscosity.

What value of y+ should I use?

What is the difference between y+ and y*?

Is it better to use y+ and y*?

Which CFD codes y+ and which CFD codes use y*?

How are eddies resolved in CFD?

What is the turbulent energy cascade and why is it important for LES?

How fine does the mesh need to be for LES?

What are thermal (temperature) wall functions and why are they needed?

How are thermal (temperature) wall functions different to momentum (velocity) wall functions?

What do CFD codes actually do?

How is viscous heating (in compressible flows) accounted for?

Intro

Trading community

How does CFD trading work?

Trading psychology

Why should you start trading?

Benefits of CFD trading

Margin requirements

Short trades

Trading strategy

Is CFD trading easy?

What are dispersed-continuous and continuous-continuous phase interactions?

What are the Eulerian multi-phase model equations?

What is inter-phase drag and how is it accounted for?

Introduction

Agenda

Overview of CFD Basics

General CFD Workflow

Introduction to Ansys Fluent

Ansys Fluent Demo

Key Takeaways

End

Introduction

Example Problem

Updating the Solution

Relaxation Factor (alpha)

Under and Over-relaxation

Stability and Speed

Compromise

Slow Divergence

Advice and Best Practice

Summary

Outro

What form of the differential energy equation is valid for solids and which form is valid for fluids?

What is the thermal/internal energy equation?

Why do we need to consider the total energy equation?

What about enthalpy?

Agenda

Meshing the winglets

Mesh improvement

Meshing without size box

Meshing specification

Boundary layer height estimation

Meshing the domain volume

Setting up the OpenFOAM case

Mesh selection

Conclusion

Computational Flu Dynamics

The Evolution of Simulation in in Product Design

Numerical Errors

Solution Error

How To Start a Simulation

Quality Metrics

Practitioners Get Wrong about Verification and Validation in Cfd

The Future of Cf Education

Motivating Words

Turbulance Models

Introduction

Tetrahedral only

Tetrahedral with layers

Inefficient volume fill

Hexcore volume fill

Polyhedral volume fill

Numerical diffusion

Tetrahedral fill (revisit)

Hexcore (revisit)

Single block

Standard O-grid

Curved O-grid

Bell-shaped O-grid

Mapped approach

Outro