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- R - Defines the element real constants.
- RACE - Defines a "racetrack" current source.
- RADOPT - Specifies Radiosity Solver options.
- RAPPND - Appends results data from the database to the results file.
- RATE - Specifies whether the effect of creep strain rate will be used in the solution of a load step.
- /RATIO - Distorts the object geometry.
- RBE3 - Distributes the force/moment applied at an independent node to a set of dependent nodes.
- RBGEN - Generates a rigid body.
- RCON - Specifies "Real constants" as the subsequent status topic.
- RCYC - Calculates cyclic results for a mode-superposition harmonic solution.
- RDEC - Defines the decimation parameters used by the radiosity solver method.
- RDELE - Deletes real constant sets.
- READ - Reads coordinate and pressure data from a file.
- REAL - Sets the element real constant set attribute pointer.
- REALVAR - Forms a variable using only the real part of a complex variable.
- RECTNG - Creates a rectangular area anywhere on the working plane.
- REMESH - Specifies the starting and ending remeshing points, and other options, for rezoning.
- *REMOVE - Suppresses rows or columns of a dense matrix or a vector.
- *RENAME - Renames an existing vector or matrix.
- /RENAME - Renames a file.
- *REPEAT - Repeats the previous command.
- /REPLOT - Reissues the last display command.
- RESCOMBINE - Reads results from local results files into the database after a distributed-memory parallel solution.
- RESCONTROL - Controls file writing for multiframe restarts.
- RESET - Resets all POST1 or POST26 specifications to initial defaults.
- /RESET - Resets display specifications to their initial defaults.
- RESP - Generates a response spectrum.
- RESUME - Resumes the database from the database file.
- RESVEC - Calculates or includes residual vectors or residual responses
- RESWRITE - Appends results data from the database to a results file.
- *RETURN - Returns input stream to a higher level.
- REZONE - Initiates the rezoning process, sets rezoning options, and rebuilds the database.
- RFORCE - Specifies the total reaction force data to be stored.
- /RGB - Specifies the RGB color values for indices and contours.
- RIGID - Specifies known rigid body modes (if any) of the model.
- RIGRESP - Specifies the rigid response calculation.
- RLIST - Lists the real constant sets.
- /RMDIR - Removes (deletes) a directory.
- RMFLVEC - Writes eigenvectors of fluid nodes to a file for use in damping parameter extraction.
- RMODIF - Modifies real constant sets.
- RMORE - Adds real constants to a set.
- ROCK - Specifies a rocking response spectrum.
- ROSE - Specifies the Rosenblueth mode combination method.
- RPOLY - Creates a regular polygonal area centered about the working plane origin.
- RPR4 - Creates a regular polygonal area or prism volume anywhere on the working plane.
- RPRISM - Creates a regular prism volume centered about the working plane origin.
- RPSD - Calculates response power spectral density (PSD).
- RSMESH - Generates a result section.
- RSOPT - Creates or loads the radiosity mapping data file for SURF251 or SURF252 element types.
- RSPLIT - Creates one or more results file(s) from the current results file based on subsets of elements.
- RSTCONTROL - Controls whether element single value results are written to the results file.
- RSTMAC - Calculates modal assurance criterion (MAC/FRF) and matches nodal solutions from two results files or from one results file and one universal format file.
- RSTOFF - Offsets node or element IDs in the FE geometry record.
- RSURF - Generates the radiosity surface elements and stores them in the database.
- RSYMM - Defines symmetry, rotation, or extrusion parameters for the radiosity method.
- RSYS - Activates a coordinate system for printout or display of element and nodal results.