All steps are carried out in OpenFOAM via command-line interface (CLI). The example of lid-driven cavity flow introduces you to OpenFOAM by taking you through all the steps (geometry creation, meshing, simulation and post-processing) for a simple geometry. Basics of pre-processing, simulation and post-processing in OpenFOAM In the following sections, we will briefly take you through the modeling steps with a simple example. However, it is more convenient to use a CAD software package for creating more complex geometries and use a separate software for meshing. Simple geometries can be created and meshed within OpenFOAM (see the lid-driven cavity flow example below). These include pre-processing (geometry/part creation and meshing), simulation, and post-processing. Modeling with OpenFOAM involves multiple steps.
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