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- D - Defines degree-of-freedom constraints at nodes.
- DA - Defines degree-of-freedom constraints on areas.
- DADELE - Deletes degree-of-freedom constraints on an area.
- DALIST - Lists the DOF constraints on an area.
- DAMORPH - Move nodes in selected areas to conform to structural displacements.
- DAMPOPT - Sets damped eigensolver options.
- DATA - Reads data records from a file into a variable.
- DATADEF - Specifies "Directly defined data status" as the subsequent status topic.
- /DBDECRYPT - Controls decryption of material data in the database file.
- /DBENCRYPT - Controls encryption of material data in the database file.
- DCGOMG - Specifies the rotational acceleration of the global origin.
- DCUM - Specifies that DOF constraint values are to be accumulated.
- DDASPEC - Specifies the shock spectrum computation constants for DDAM analysis.
- DDELE - Deletes degree-of-freedom constraints.
- DDOPTION - Sets domain decomposer option for a distributed-memory parallel (DMP) solution.
- DEACT - Specifies "Element birth and death" as the subsequent status topic.
- /DECRYPT - Controls decryption of command input.
- DEFINE - Specifies "Data definition settings" as the subsequent status topic.
- *DEL - Deletes a parameter or parameters (GUI).
- DELETE - Specifies sets in the results file to be deleted before postprocessing.
- /DELETE - Deletes a file.
- DELTIM - Specifies the time step sizes to be used for the current load step.
- DEMORPH - Move nodes in selected elements to conform to structural displacements.
- DERIV - Differentiates a variable.
- DESIZE - Controls default element sizes.
- DESOL - Defines or modifies solution results at a node of an element.
- DETAB - Modifies element table results in the database.
- /DEVICE - Controls graphics device options.
- /DFLAB - Changes degree-of-freedom labels for user custom elements.
- DFLX - Imposes a uniform magnetic flux B on an edge-element electromagnetic model.
- DFSWAVE - Specifies the incident planar waves with random phases for a diffuse sound field.
- *DIM - Defines an array parameter and its dimensions.
- /DIRECTORY - Put the file names in the current directory into a string parameter array.
- DISPLAY - Specifies "Display settings" as the subsequent status topic.
- /DIST - Specifies the viewing distance for magnifications and perspective.
- DJ - Specifies boundary conditions on the components of relative motion of a joint element.
- DJDELE - Deletes boundary conditions on the components of relative motion of a joint element.
- DJLIST - Lists boundary conditions applied to joint elements.
- DK - Defines DOF constraints at keypoints.
- DKDELE - Deletes DOF constraints at a keypoint.
- DKLIST - Lists the DOF constraints at keypoints.
- DL - Defines DOF constraints on lines.
- DLDELE - Deletes DOF constraints on a line.
- DLIST - Lists DOF constraints.
- DLLIST - Lists DOF constraints on a line.
- *DMAT - Creates a dense matrix.
- DMPEXT - Extracts modal damping coefficients in a specified frequency range.
- DMPOPTION - Specifies distributed-memory parallel (DMP) file combination options.
- DMPRAT - Sets a modal damping ratio.
- DMPSTR - Sets constant structural damping data.
- DNSOL - Defines or modifies solution results at a node.
- *DO - Defines the beginning of a do-loop.
- DOF - Adds degrees of freedom to the current DOF set.
- DOFSEL - Selects a DOF label set for reference by other commands.
- DOMEGA - Specifies the rotational acceleration of the structure.
- *DOT - Computes the dot (or inner) product of two vectors.
- *DOWHILE - Loops repeatedly through the next *ENDDO command.
- DSCALE - Scales DOF constraint values.
- /DSCALE - Sets the displacement multiplier for displacement displays.
- DSPOPTION - Sets memory option for the sparse solver.
- DSUM - Specifies the double sum mode combination method.
- DSYM - Specifies symmetry or antisymmetry degree-of-freedom constraints on nodes.
- DSYS - Activates a display coordinate system for geometry listings and plots.
- DTRAN - Transfers solid model DOF constraints to the finite element model.
- DUMP - Dumps the contents of a binary file.
- /DV3D - Sets 3D device option modes.
- DVAL - Defines values at enforced motion base.
- DVMORPH - Move nodes in selected volumes to conform to structural displacements.
- DYNOPT - Specifies "Dynamic analysis options" as the subsequent status topic.