Structured meshes can be easily defined by the user. These include:
- 2D triangular and quadrilateral
meshes
- 3D hexahedral meshes
Unstructured meshes can
be automatically generated based on quality and spacing criteria defined
by the user. These include:
- 2D triangular and quadrilateral
meshes
- 3D tetrahedral meshes
Degree of elements can be:
- Linear: 2 and 3 nodes
- Triangle: 3 and 6 nodes
- Quadrilateral: 4,8 and
9 nodes
- Tetrahedral: 4 and 10
nodes
- Hexahedra: 8, 20 and 27
nodes
All of the nodes are contained
inside the real geometry. So, the higher degree elements are curved.
Mesh generation can be carried
out after all attributes and data have been assigned to geometrical
entities.
GiD allows the generation
of large meshes in a fast and efficient manner and has the ability to
visualise various meshes before selecting the one desired.
