NREFINE, NN1, NN2, NINC, LEVEL, DEPTH, POST, RETAIN
Refines the mesh around specified nodes.
NN1, NN2, NINCNodes (NN1 to NN2 in
increments of NINC) around which the mesh is to
be refined. NN2 defaults to NN1,
and NINC defaults to 1. If NN1 =
ALL, NN2 and NINC are
ignored and all selected nodes are used for refinement. If NN1 =
P, graphical picking is enabled and all remaining command fields are ignored
(valid only in the GUI). A component name may also be substituted for NN1 (NN2 and NINC are ignored).
LEVELAmount of refinement to be done. Specify the value of LEVEL as
an integer from 1 to 5, where a value of 1 provides minimal refinement, and
a value of 5 provides maximum refinement (defaults to 1).
DEPTHDepth of mesh refinement in terms of number of elements outward from the indicated nodes (defaults to 1).
POSTType of postprocessing to be done after element splitting, in order to improve element quality:
OFF | — | No postprocessing will be done. |
SMOOTH | — | Smoothing will be done. Node locations may change. |
CLEAN | — | Smoothing and cleanup will be done. Existing elements may be deleted, and node locations may change (default). |
RETAINFlag indicating whether quadrilateral elements must be retained
in the refinement of an all-quadrilateral mesh. (The ANSYS program ignores
the RETAIN argument when you are refining anything
other than a quadrilateral mesh.)
ON | — | The final mesh will be composed entirely of quadrilateral elements, regardless of the element quality (default). |
OFF | — | The final mesh may include some triangular elements in order to maintain element quality and provide transitioning. |
NREFINE refines all area elements and tetrahedral volume elements adjacent to the specified nodes.
Mesh refinement is not available on a solid model containing initial conditions at nodes (IC), coupled nodes (CP family of commands), constraint equations (CE family of commands), or boundary conditions or loads applied directly to any of its nodes or elements. This restriction applies to nodes and elements anywhere in the model, not just in the region where you want to request mesh refinement. For more information about mesh refinement, see Revising Your Model.
This command is also valid for rezoning.