Difference between revisions of "Numerics"
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* [https://wiki.openfoam.com/Finite_Volume_Discretization_by_Hrvoje_Jasak '''Simulation optimizing strategies'''] - In this tutorial you will find strategies on how to improve your simulation results by optimizing the utilized discretization settings. | * [https://wiki.openfoam.com/Finite_Volume_Discretization_by_Hrvoje_Jasak '''Simulation optimizing strategies'''] - In this tutorial you will find strategies on how to improve your simulation results by optimizing the utilized discretization settings. | ||
* [https://wiki.openfoam.com/Discretization_by_Jozsef_Nagy '''Details about discretization schemes'''] - This tutorial gives insight into discretization and the influence of different schemes on the simulation results. The pdf version can be found [https://wiki.openfoam.com/Discretization_by_Bahram_Haddadi here]. | * [https://wiki.openfoam.com/Discretization_by_Jozsef_Nagy '''Details about discretization schemes'''] - This tutorial gives insight into discretization and the influence of different schemes on the simulation results. The pdf version can be found [https://wiki.openfoam.com/Discretization_by_Bahram_Haddadi here]. | ||
| − | * [https://wiki.openfoam.com/Numerical_schemes_by_Tobias_Holzmann ''' | + | * [https://wiki.openfoam.com/Numerical_schemes_by_Tobias_Holzmann '''Discretization schemes'''] - Here you will see the influence of the mesh type, hexaeder and tetraeder, the orientation of the mesh and the mesh density on the accuracy of the solution and if the scheme produces physical or also non-physical values. |
* [https://wiki.openfoam.com/index.php?title=Grid_convergence_by_Jozsef_Nagy '''Grid dependence'''] - Here you will learn the importance of grid resolution and its effect onto your results. The pdf version can be found [https://wiki.openfoam.com/Grid_Convergence_by_Bahram_Haddadi here]. | * [https://wiki.openfoam.com/index.php?title=Grid_convergence_by_Jozsef_Nagy '''Grid dependence'''] - Here you will learn the importance of grid resolution and its effect onto your results. The pdf version can be found [https://wiki.openfoam.com/Grid_Convergence_by_Bahram_Haddadi here]. | ||
* [https://wiki.openfoam.com/index.php?title=Transport_equation_by_Jozsef_Nagy '''Transport equations in OpenFOAM'''] - Here you will get a basic idea on the structure of the transport equations, which are solved in CFD and also in OpenFOAM. The pdf version can be found [https://wiki.openfoam.com/Transport_Equation_by_Bahram_Haddadi here]. | * [https://wiki.openfoam.com/index.php?title=Transport_equation_by_Jozsef_Nagy '''Transport equations in OpenFOAM'''] - Here you will get a basic idea on the structure of the transport equations, which are solved in CFD and also in OpenFOAM. The pdf version can be found [https://wiki.openfoam.com/Transport_Equation_by_Bahram_Haddadi here]. | ||
=Further reading= | =Further reading= | ||
Revision as of 07:09, 11 April 2017
In order to correctly run a simulation, it is of utmost importance to understand the numerics being solved in the simulations. These tutorials will give you detailed insight into the theory behind CFD and especially OpenFOAM.
Go back to Collection by topic.
Numerics
Theory
- Finite Volume Method and numerics - In these slides you will find a brief introduction to the FVM and the numerics implemented in OpenFOAM.
Application
- Simulation optimizing strategies - In this tutorial you will find strategies on how to improve your simulation results by optimizing the utilized discretization settings.
- Details about discretization schemes - This tutorial gives insight into discretization and the influence of different schemes on the simulation results. The pdf version can be found here.
- Discretization schemes - Here you will see the influence of the mesh type, hexaeder and tetraeder, the orientation of the mesh and the mesh density on the accuracy of the solution and if the scheme produces physical or also non-physical values.
- Grid dependence - Here you will learn the importance of grid resolution and its effect onto your results. The pdf version can be found here.
- Transport equations in OpenFOAM - Here you will get a basic idea on the structure of the transport equations, which are solved in CFD and also in OpenFOAM. The pdf version can be found here.
