Day 5
Welcome to Day 5. After some dry topics, today we have some fun simulations for you.
Go back to "3 weeks" series.
Contents
Running your first case on your own
As a start try your gained knowledge about OpenFOAM and set up a case on your own. For this you will need everything you have learned so far. You will cover
- creating your mesh
- setting up initial and boundary conditions
- setting up physical properties
- setting correct numerical settings
- running your simulation
- postprocessing your simulation
Hagen Poiseuille flow
Another fun simulation is the laminar Hagen Poiseuille flow. Follow the set-by-step introductions to utilize and further extend your gained knowledge about
- a simple case setup
- function objects
- laminar flow
- numerics
- sampling during postprocessing
Laminar flow around a cylinder
Shear rheometer
Tips and Tricks for OpenFOAM simulations
Below you will find additional material, where you can find tips and tricks for the improvement of your simulation. Feel free to go though them and fall back to them in the future, once you encounter some problems in your simulation.
Cheat sheet
Tips 1
In this handy summary of OpenFOAM functionalities you can read about e.g.
- geometry and mesh creation
- case setup
- case control
- field initialization
- boundary conditions
- turbulence modeling
- multiphase modeling (Eulerian and Lagrangian)
- solvers
- postprocessing
- programming in OpenFOAM
Tips 2
In this material you can find information on the small details, which do make the difference between a good simulation and crashing.
- shell environment
- looking for information in the source code
- running cases on a cluster
- mesh quality check
- boundary and initial conditions
- numerics
- convergence
- function objects