As it can be appreciated, the meshes generated using MinElem mesher are rather special. It is common to use them for visualization purposes, or to simulate rigid body kinematics in some kind of simulations. Using GiD, the user can assign different meshers to different entities:
- Set the Default values in the Meshing branch of the Preferences window (note that the RFast surface mesher is set).
- Assign the MinElem mesher to the surface number 24 by setting Mesh->Unstructured→Surface mesher->MinElem and selecting surface number 24.
- Assign an unstructured size of 1000 to surface number 24 using Mesh->Unstructured->Assign sizes on surfaces .
- Generate mesh with a general size of 2. The resulting mesh should be similar to the one depicted.