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Grid Type
2D Structured
The geometry is 2D planar or axi-symmetric ,and the grid system is structured (usually quadrilateral elements).
2D Unstructured
The geometry is 2D planar or axisymmetric, and the grid system is unstructured (triangular, or unstructured quadrilateral elements)
2D Hybrid
The geometry is 2D planar or axisymmetric, and the grid system is a mixture of structured regions and unstructured regions.
3D Structured
The geometry is 3D, and the grid system is structured (usually hexahedral elements).
3D Unstructured
The geometry is 3D, and the grid system is
unstructured (tetrahedral, prism, pyramid, unstructured hexahedral, polyhedral, etc).
3D Hybrid
The geometry is 3D, and the grid system is a mixture of structured regions and unstructured regions.
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