Introduction to Computational Fluid Dynamics

Day 1: Fundamentals of Fluid Dynamics

• Overview of different flow regimes: steady state vs. transient flow.
• Understanding compressible vs. incompressible flow.
• The concept of ideal and real gases in CFD.
• Introduction to fluid viscosity and its impact on flow behaviour.
• Heat transfer and its importance in fluid dynamics.

Day 2: Mathematical Models and Equations

• Continuity equations: understanding mass conservation.
• Introduction to Navier-Stokes equations and their role in fluid dynamics.
• Euler equations for inviscid flow modelling.
• Full potential equations and their applications in CFD.
• Linearized potential equations for simplification in specific flow scenarios.

Day 3: Numerical Methods in CFD

• Introduction to the finite element method (FEM) for fluid simulation.
• The finite volume method (FVM) and its importance in CFD.
• The finite difference method (FDM) and its applications.
• How are these methods used to solve fluid flow problems?

Day 4: Meshing and Physical Models

• Geometry definition and preparation for CFD simulations.
• Importing geometry from CAD software for CFD simulations.
• Surface and volume meshing: structured vs. unstructured mesh.
• Understanding physical models: chemical reactions, immersed solids, and turbulence models.
• Heat transfer models and their integration into simulations.

Day 5: Running Simulations and Analysing Results

• Specification of boundary conditions for accurate simulations.
• Running and debugging CFD simulations.
• Visualization techniques for interpreting simulation results.
• How to summarize and present CFD simulation findings effectively.