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- N - Defines a node.
- NANG - Rotates a nodal coordinate system by direction cosines.
- NAXIS - Generates nodes for general axisymmetric element sections.
- NCNV - Sets the key to terminate an analysis.
- NDELE - Deletes nodes.
- NDIST - Calculates and lists the distance between two nodes.
- NDSURF - Generates surface elements overlaid on the edge of existing elements and assigns the extra node as the closest fluid element node.
- NEQIT - Specifies the maximum number of equilibrium iterations for nonlinear analyses.
- /NERR - Limits the number of warning and error messages displayed.
- NFORCE - Sums the nodal forces and moments of elements attached to nodes.
- NGEN - Generates additional nodes from a pattern of nodes.
- NKPT - Defines a node at an existing keypoint location.
- NLADAPTIVE - Defines the criteria under which the mesh is refined or modified during a nonlinear solution.
- NLDIAG - Sets nonlinear diagnostics functionality.
- NLDPOST - Gets element component information from nonlinear diagnostic files.
- NLGEOM - Includes large-deflection effects in a static or full transient analysis.
- NLHIST - Specify results items to track during solution.
- NLIST - Lists nodes.
- NLMESH - Controls remeshing in nonlinear adaptivity.
- NLOG - Forms the natural log of a variable.
- NLOPT - Specifies "Nonlinear analysis options" as the subsequent status topic.
- NMODIF - Modifies an existing node.
- NODES - Specifies "Nodes" as the subsequent status topic.
- /NOERASE - Prevents the screen erase between displays.
- /NOLIST - Suppresses the data input listing.
- NOOFFSET - Prevents the CDREAD command from offsetting specified data items
- /NOPR - Suppresses the expanded interpreted input data listing.
- NORA - Rotates nodal coordinate systems to surface normal
- NORL - Rotates nodal coordinate systems perpendicular to line normal
- /NORMAL - Allows displaying area elements by top or bottom faces.
- NPLOT - Displays nodes.
- NPRINT - Defines which time points stored are to be listed.
- NREAD - Reads nodes from a file.
- NREFINE - Refines the mesh around specified nodes.
- NRLSUM - Specifies the Naval Research Laboratory (NRL) sum mode combination method.
- *NRM - Computes the norm of the specified matrix or vector.
- NROPT - Specifies the Newton-Raphson options in a static or full transient analysis.
- NROTAT - Rotates nodal coordinate systems into the active system.
- NRRANG - Specifies the range of nodes to be read from the node file.
- NSCALE - Generates a scaled set of nodes from a pattern of nodes.
- NSEL - Selects a subset of nodes.
- NSLA - Selects those nodes associated with the selected areas.
- NSLE - Selects those nodes attached to the selected elements.
- NSLK - Selects those nodes associated with the selected keypoints.
- NSLL - Selects those nodes associated with the selected lines.
- NSLV - Selects those nodes associated with the selected volumes.
- NSMASS - Applies nonstructural mass to selected elements.
- NSMOOTH - Smooths selected nodes among selected elements.
- NSOL - Specifies nodal data to be stored from the results file.
- NSORT - Sorts nodal data.
- NSTORE - Defines which time points are to be stored.
- NSUBST - Specifies the number of substeps to be taken this load step.
- NSVR - Defines the number of variables for user-programmable element options.
- NSYM - Generates a reflected set of nodes.
- /NUMBER - Specifies whether numbers, colors, or both are used for displays.
- NUMCMP - Compresses the numbering of defined items.
- NUMEXP - Specifies solutions to be expanded from mode-superposition analyses or substructure analyses.
- NUMMRG - Merges coincident or equivalently defined items.
- NUMOFF - Adds a number offset to defined items.
- NUMSTR - Establishes starting numbers for automatically numbered items.
- NUMVAR - Specifies the number of variables allowed in POST26.
- NUSORT - Restores original order for nodal data.
- NWPAVE - Moves the working plane origin to the average location of nodes.
- NWPLAN - Defines the working plane using three nodes.
- NWRITE - Writes nodes to a file.