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44 lines
1.3 KiB
ReStructuredText
44 lines
1.3 KiB
ReStructuredText
.. _radial_prism_algo_page:
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************
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Radial Prism
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************
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This algorithm applies to the meshing of a hollow 3D shape,
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i.e. such shape should be composed of two meshed shells: an outer
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shell and an internal shell without intersection with the outer
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shell. One of the shells should be a :ref:`2D Projection <projection_2D>` of the other
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shell. The meshes of the shells can consist both of triangles and
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quadrangles.
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The Radial Prism algorithm would fill the space between the two shells
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with prisms.
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.. image:: ../images/radial_prism_mesh.png
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:align: center
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.. centered::
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Cut-view of a hollow sphere meshed by Radial Prism algorithm
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This algorithm also needs the information concerning the number and
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distribution of mesh layers between the inner and the outer shapes.
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This information can be defined using either of two hypotheses:
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.. image:: ../images/number_of_layers.png
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:align: center
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.. centered::
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*"Number of layers"* hypothesis
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.. image:: ../images/distribution_of_layers.png
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:align: center
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.. centered::
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*"Distribution of layers"* hypothesis
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*Distribution of layers* hypothesis allows using most of
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:ref:`1D Hypotheses <a1d_meshing_hypo_page>` to define
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the distribution of mesh layers.
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**See also** a sample :ref:`TUI script <tui_radial_prism>`.
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