You can create meshes throughout entire parts or part instances or just within selected regions. To create a mesh, select either Mesh
Part, MeshInstance, or MeshRegion from the main menu bar.
To create a mesh:
From the Object field in the context bar, select the part to mesh or select the assembly.
From the main menu bar, select MeshPart, MeshInstance, or MeshRegion.
ABAQUS/CAE displays prompts in the prompt area to guide you through the procedure.
Tip:
You can also mesh parts, part instances, or regions using the 
and 
tools, located with the mesh tools in the Mesh module toolbox. (For more information, see “Using the Mesh module toolbox,” Section 17.13.)
If you are meshing the assembly, you must select the instances or regions to mesh. Click mouse button 2 to indicate that you have finished selecting. (For more information on selecting objects, see Chapter 6, “Selecting objects within the viewport.”)
Select only those part instances or regions that are colored green, pink, or yellow, indicating they are meshable. To make orange regions meshable, you must either subdivide them using the partitioning tools or assign tetrahedral-shaped elements to them. Note that part instances or regions colored white cannot be meshed, because they are associated with independent instances.
Note: Part instances are colored according to their meshability only when the Mesh defaults color mapping is selected. Apply this color mapping if the colors in your viewport do not match those described in this step.
Do one of the following:
From the prompt area, click Yes to generate the mesh on those regions that are meshable.
If the assembly includes a solid region that will be meshed with tetrahedral elements, ABAQUS/CAE asks if you want to preview the triangular mesh on the exterior faces of the region.
To preview the mesh, toggle on Preview tet boundary mesh from the prompt area and click Yes to create the boundary mesh.
ABAQUS/CAE generates the triangular boundary mesh on the mesh on those regions that are meshable.
If some regions fail to mesh or if the boundary mesh is not acceptable, ABAQUS/CAE provides a variety of tools that will help you generate a mesh in all regions and create an acceptable mesh. For more information, see “What can I do with a preview mesh?,” Section 17.9.5.
If the boundary mesh is acceptable, click Yes from the prompt area to continue meshing the interior of the parts, instances, or regions.
ABAQUS/CAE generates the mesh on those regions that are meshable.
