These can all be done from the Geometry Menu under Elementary entities->Add->New.ģ. In a single plane (2D), create the geometry by first creating all points, then combining the points into lines, and then the lines into a surface. Note that this uses the GMSH GUI to create the mesh, and requires some modifications of the resulting. This is not meant to be a tutorial on GMSH or OpenFOAM, but just some useful steps to get the two tools to work together. OpenFOAM by default only works with 3D mesh elements, so some special steps need to be applied to create a 2D mesh. This tutorial was created to show how to generate a 2D mesh for OpenFOAM using the GMSH Open Source Mesh Generator. Process for Creating 2D Meshes with GMSH for OpenFOAM I am sure there are other ways to do things, but this is how I am doing it for now. I hope it is helpful, please feel free to add to it or comment. The step by step procedure looks intimidating, but it can really be done quite quickly once you are familiar with the commands. I know this information is in various places, but I wanted to consolidate it into a single step-by step tutorial. So, in order to share this knowledge, I have a tutorial that walks you though creating a 2D mesh in GMSH and porting it to OpenFOAM format. ![]() After researching the tools and on this forum, I finally was successful. I struggled with creating a 2D mesh with GMSH for use in OpenFOAM. 2D Mesh Generation Tutorial for GMSH - CFD Online Discussion Forums
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