D

Defines DOF constraints at nodes.

SOLUTION:FEConstraints

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Node at which constraint is to be specified. If ALL, NEND and NINC are ignored and constraints are applied to all selected nodes [NSEL]. If P1 = 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 NODE.

Valid degree of freedom label. If ALL, use all appropriate labels. Structural labels: UX, UY, or UZ (displacements); ROTX, ROTY, or ROTZ (rotations). Thermal labels: TEMP (temperature). FLOTRAN fluid labels: PRES (pressure); VX, VY, or VZ (velocities); ENKE or ENDS (turbulent kinetic energy or turbulent kinetic energy dissipation rate); SP01 through SP06 (multiple species mass fractions) or their user-defined names [MSSPEC]. Electric labels: VOLT (voltage). Magnetic labels: MAG (scalar magnetic potential); AX, AY, or AZ (vector magnetic potentials).

Degree of freedom value or table name reference for tabular boundary conditions. To specify a table, enclose the table name in percent signs (%) (e.g., D,NODE,TEMP,%tabnam%). Use the *DIM command to define a table.

Second degree of freedom value (if any). If the analysis type and the degree of freedom allow a complex input, VALUE (above) is the real component and VALUE2 is the imaginary component.

Specifies the same values of constraint at the range of nodes from NODE to NEND (defaults to NODE), in steps of NINC (defaults to 1).

Additional degree of freedom labels. The same values are applied to the nodes for these labels.

The available degrees of freedom per node are listed under "Degrees of Freedom" in the input table for each element type in the ANSYS Elements Reference. Degrees of freedom are defined in the nodal coordinate system. The positive directions of structural translations and rotations are along and about the positive nodal axes directions. Structural rotations should be input in radians. The node and the degree of freedom label must be selected [NSEL, DOFSEL].

For elements HF119 and HF120, used in high-frequency electromagnetic analysis, the AX DOF is not an x-component of a vector potential, but rather a tangential component of E (the electric field) on the element edges and faces. To specify an Electric Wall condition, set AX to zero. For more information, see Chapter 10 in the ANSYS Electromagnetic Field Analysis Guide.

For element SOLID117 used in static and low frequency electromagnetic analysis, the AZ DOF is not a z-component of a vector potential, but rather the flux contribution on the element edge. To specify a flux-parallel condition, set AZ=0. For more information, see Chapter 6 of the ANSYS Electromagnetic Field Analysis Guide.

Tabular boundary conditions (VALUE=%tabnam%) are available only for structural (UX, UY, UZ, ROTX, ROTY, ROTZ) and temperature degree of freedom (TEMP) labels.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Apply >Boundary >On Nodes

Main Menu >Preprocessor >Loads >Apply >Pressure DOF >On Nodes

Main Menu >Preprocessor >Loads >Apply >Species >On Nodes

Main Menu >Preprocessor >Loads >Apply >Spectrum >On Nodes

Main Menu >Preprocessor >Loads >Apply >Turbulence >On Nodes

Main Menu >Preprocessor >Loads >Apply >Velocity >On Nodes

Main Menu >Preprocessor >Loads >Delete >Spectrum >On Nodes

Main Menu >Solution >Apply >Boundary >On Nodes

Main Menu >Solution >Apply >Pressure DOF >On Nodes

Main Menu >Solution >Apply >Species >On Nodes

Main Menu >Solution >Apply >Spectrum >On Nodes

Main Menu >Solution >Apply >Turbulence >On Nodes

Main Menu >Solution >Apply >Velocity >On Nodes

Main Menu >Solution >Delete >Spectrum >On Nodes

Defines DOF constraints on areas.

SOLUTION:SolidConstraints

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Area on which constraints are to be specified. If ALL, apply to all selected areas [ASEL]. If AREA = 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 AREA.

Symmetry label (See Note 2 below.):

SYMM - Generate symmetry constraints for non-FLOTRAN models. Requires no Value1 or Value2.

ASYM - Generate antisymmetry constraints for non-FLOTRAN models. Requires no Value1 or Value2.

ANSYS DOF labels (see Notes 1, 2, and 3 below):

UX - Displacement in X direction.

UY - Displacement in Y direction.

UZ - Displacement in Z direction.

ROTX - Rotation about X axis.

ROTY - Rotation about Y axis.

ROTZ - Rotation about Z axis.

TEMP - Temperature.

MAG - Magnetic scalar potential.

VOLT - Electric scalar potential.

AX - Magnetic vector potential in X direction (see Note 4).

AY - Magnetic vector potential in Y direction.

AZ - Magnetic vector potential in Z direction (see Note 1).

ALL - Applies all appropriate DOF labels.

FLOTRAN Standard DOF Labels (See Note 6 below):

VX, VY, VZ, PRES, TEMP, ENKE, ENDS

FLOTRAN Species Labels (See Note 8 below):

SP01, SP02, SP03, SP04, SP05, SP06

Value1

Value of DOF or table name reference on the area. Valid for all DOF labels. To specify a table, enclose the table name in % signs (e.g., DA,AREA,TEMP,%tabname%). Use the *DIM command to define a table.

For FLOTRAN DOFs:

0 - Values are applied only to nodes within the area.

1 - Values are applied to the edges of the area as well as to the internal nodes. (See Note 7)

For MAG and VOLT DOFs:

Value of the imaginary component of the degree of freedom.

1 For element SOLID117, if Lab = AZ and Value1 = 0, this sets the flux-parallel condition for the edge formulation. (A flux-normal condition is the natural boundary condition.) Do not use the DA command to set the edge-flux DOF, AZ to a non-zero value.

2 If Lab = MAG and Value1 = 0, this sets the flux-normal condition for the magnetic scalar potential formulations (MSP) (A flux-parallel condition is the natural boundary condition for MSP.)

3 If Lab = VOLT and Value1 = 0, the J-normal condition is set (current density (J) flow normal to the area). (A J-parallel condition is the natural boundary condition.)

4 For elements HF119 and HF120, used in high-frequency electromagnetic analysis, the AX DOF is not an x-component of a vector potential, but rather a tangential component of E (the electric field) on the element edges and faces. To specify an Electric Wall condition, set AX to zero. For more information, see Chapter 10 in the ANSYS Electromagnetic Field Analysis Guide.

5 You can transfer constraints from areas to nodes with the DTRAN or SBCTRAN commands. See the DK command for information about generating other constraints on areas for non-FLOTRAN models.

6 Symmetry and antisymmetry constraints are generated as described for the DSYM command.

7 For the velocity DOF (VX,VY,VZ), a zero value will override a non-zero value at the intersection of two areas.

8 You can use the MSSPEC command to change FLOTRAN species labels to user-defined labels. You must define these labels with the MSSPEC command before using them on the DA command.

9 The use of tabular boundary conditions (Value1=%tabname%) is available only for the structural (UX, UY, UZ, ROTX, ROTY, ROTZ) and temperature (TEMP) DOF labels.

10 Constraints specified by the DA command can conflict with other specified constraints. See Section 2.6.5.3 of the ANSYS Basic Analysis Procedures Guide for details.

11 The DA command is also valid in PREP7.

Menu Paths

Main Menu >Preprocessor >Loads >Apply >On Areas

Main Menu >Preprocessor >Loads >Apply >Boundary >On Areas

Main Menu >Preprocessor >Loads >Apply >Displacement >On Areas

Main Menu >Preprocessor >Loads >Apply >Pressure DOF >On Areas

Main Menu >Preprocessor >Loads >Apply >Species >On Areas

Main Menu >Preprocessor >Loads >Apply >Turbulence >On Areas

Main Menu >Preprocessor >Loads >Apply >Velocity >On Areas

Main Menu >Solution >Apply >On Areas

Main Menu >Solution >Apply >Boundary >On Areas

Main Menu >Solution >Apply >Displacement >On Areas

Main Menu >Solution >Apply >Pressure DOF >On Areas

Main Menu >Solution >Apply >Species >On Areas

Main Menu >Solution >Apply >Turbulence >On Areas

Main Menu >Solution >Apply >Velocity >On Areas

Deletes DOF constraints on an area.

SOLUTION:SolidConstraints

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Area for which constraints are to be deleted. If ALL, delete for all selected areas [ASEL]. If AREA = P, graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI). You can substitute a component name for AREA.

Valid constraint labels are:

ALL - All constraints.

SYMM - Symmetry constraints.

ASYM - Antisymmetry constraints.

UX - Displacement in X direction.

UY - Displacement in Y direction.

UZ - Displacement in Z direction.

ROTX - Rotation about X axis.

ROTY - Rotation about Y axis.

ROTZ - Rotation about Z axis.

VX - Velocity component in X direction.

VY - Velocity component in Y direction.

VZ - Velocity component in Z direction.

PRES - Pressure.

TEMP - Temperature.

ENKE - Turbulent Kinetic Energy.

ENDS - Energy Dissipation Rate.

MAG - Magnetic scalar potential.

VOLT - Electric scalar potential.

SP01-SP06 - Multiple Species Mass Fraction.

AX - Magnetic vector potential in X direction (see notes).

AY - Magnetic vector potential in Y direction.

AZ - Magnetic vector potential in Z direction (see notes).

Deletes the degree of freedom constraints at an area (and all corresponding finite element constraints) previously specified with the DA command. See the DDELE command for delete details.

If the multiple species labels have been changed to user-defined labels via the MSSPEC command, use the user-defined labels.

For element SOLID117, AZ is the electromagnetic edge-flux DOF. See the DA command for details.

For elements HF119 and HF120, used in high-frequency electromagnetic analysis, the AX DOF is not an x-component of a vector potential, but rather a tangential component of E (the electric field) on the element edges and faces. To specify an Electric Wall condition, set AX to zero. For more information, see Chapter 10 in the ANSYS Electromagnetic Field Analysis Guide.

Warning: On previously meshed areas, all constraints on affected nodes will be deleted, whether or not they were specified by the DA command.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Delete >Boundary >On Areas

Main Menu >Preprocessor >Loads >Delete >Displacement >On Areas

Main Menu >Preprocessor >Loads >Delete >Pressure DOF >On Areas

Main Menu >Preprocessor >Loads >Delete >Species >On Areas

Main Menu >Preprocessor >Loads >Delete >Temperature >On Areas

Main Menu >Preprocessor >Loads >Delete >Turbulence >On Areas

Main Menu >Preprocessor >Loads >Delete >Velocity >On Areas

Main Menu >Preprocessor >Loads >Delete >All Load Data >On All Areas

Main Menu >Preprocessor >Loads >Delete >On Areas

Main Menu >Solution >Delete >Boundary >On Areas

Main Menu >Solution >Delete >Displacement >On Areas

Main Menu >Solution >Delete >Pressure DOF >On Areas

Main Menu >Solution >Delete >Species >On Areas

Main Menu >Solution >Delete >Temperature >On Areas

Main Menu >Solution >Delete >Turbulence >On Areas

Main Menu >Solution >Delete >Velocity >On Areas

Main Menu >Solution >Delete >All Load Data >On All Areas

Main Menu >Solution >Delete >On Areas

Lists the DOF constraints on an area.

SOLUTION:SolidConstraints

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List constraints for this area. If ALL (default), list for all selected areas [ASEL]. If P1 = 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 AREA.

Lists the degree of freedom constraints on an area previously specified with the DA command.

This command is valid in any processor.

Utility Menu >List >Loads >DOF Constraints >On All Areas

Utility Menu >List >Loads >DOF Constraints >On Picked Areas

Reads data records from a file into a variable.

POST26:SetUp

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Arbitrary reference number assigned to the resulting variable (2 to NV [NUMVAR]). If this number is the same as for a previously defined variable, the previously defined variable will be overwritten with this result.

Start at location LSTRT (defaults to 1).

Stop at location LSTOP (defaults to LSTRT). Maximum location available is determined from data previously stored.

Fill every LINC location between LSTRT and LSTOP (defaults to 1).

Eight character name for identifying the variable on the printout and displays. Embedded blanks are compressed upon output.

Complex number key:

0 - Data stored as the real part of the complex number.

1 - Data stored as the imaginary part of the complex number.

This command must be followed by a format statement (on the next line) and the subsequent data records, and all must be on the same file (that may then be read with the /INPUT command). The format specifies the number of fields to be read per record, the field width, and the placement of the decimal point (if one is not included in the data value). The read operation follows the available FORTRAN FORMAT conventions of the system. See the system FORTRAN manual for details. Any standard FORTRAN real format (such as (4F6.0), (F2.0,2X,F12.0), etc.) may be used. Integer (I), character (A), and list-directed (*) descriptors may not be used. The parentheses must be included in the format. Up to 80 columns per record may be read. Locations may be filled within a range. Previous data in the range will be overwritten.

This command cannot be accessed directly in the menu.

Specifies "Directly defined data status" as the subsequent status topic.

POST1:Status

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This is a status [STAT] topic command. Status topic commands are generated by the GUI and will appear in the log file (Jobname.LOG) if status is requested for some items under Utility Menu>List>Status. This command will be immediately followed by a STAT command, which will report the status for the specified topic.

If entered directly into the program, the STAT command should immediately follow this command.

Utility Menu >List >Status >General Postproc >Modify Results

Specifies the rotational acceleration of the global origin.

SOLUTION:Inertia

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Rotational acceleration of the global origin about the acceleration system X, Y, and Z axes.

Specifies the rotational acceleration of the global origin about each of the acceleration coordinate system axes [CGLOC]. Rotational accelerations may be defined in analysis types ANTYPE=STATIC, HARMIC (full), TRANS (full), and SUBSTR. See also Section 15.1 of the ANSYS Theory Reference for details. Units are radians/time². Related commands are ACEL, CGLOC, CGOMGA, DOMEGA, and OMEGA.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Apply >Other >Coriolis Effects

Main Menu >Preprocessor >Loads >Delete >Other >Coriolis Effects

Main Menu >Solution >Apply >Other >Coriolis Effects

Main Menu >Solution >Delete >Other >Coriolis Effects

Specifies that DOF constraint values are to be accumulated.

SOLUTION:FEConstraints

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Accumulation key:

REPL - Subsequent values replace the previous values (default).

ADD - Subsequent values are added to the previous values.

IGNO - Subsequent values are ignored.

Scale factor for the real component. Zero (or blank) defaults to 1.0. Use a small number for a zero scale factor.

Scale factor for the imaginary component. Zero (or blank) defaults to 1.0. Use a small number for a zero scale factor.

Base temperature for temperature difference. Used only with temperature degree of freedom. Scale factor is applied to the temperature difference (T-TBASE) and then added to TBASE. T is the current temperature.

Notes

Allows repeated degree of freedom constraint values (displacement, temperature, etc.) to be replaced, added, or ignored. Operations apply to the selected nodes [NSEL] and the selected degree of freedom labels [DOFSEL]. The operations occur when the next degree of freedom constraints are defined. For example, issuing the command D,1,UX,.025 after a previous D,1,UX,.020 causes the new value of the displacement on node 1 in the x-direction to be 0.045 with the add operation, 0.025 with the replace operation, or 0.020 with the ignore operation. Scale factors are also available to multiply the next value before the add or replace operation. A scale factor of 2.0 with the previous "add" example results in a displacement of 0.070. Scale factors are applied even if no previous values exist. Issue DCUM,STAT to show the current label, operation, and scale factors. Solid model boundary conditions are not affected by this command, but boundary conditions on the FE model are affected. (Note that FE boundary conditions may still be overwritten by existing solid model boundary conditions if a subsequent boundary condition transfer occurs.)

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Settings >Constraints

Main Menu >Solution >Settings >Constraints

Deletes degree of freedom constraints.

SOLUTION:FEConstraints

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Node for which constraint is to be deleted. If ALL, NEND and NINC are ignored and constraints for all selected nodes [NSEL] are deleted. If NODE = 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 NODE.

Valid degree of freedom label. If ALL, use all selected labels [DOFSEL]. Structural labels: UX, UY, or UZ (displacements); ROTX, ROTY, or ROTZ (rotations). Thermal label: TEMP (temperature). FLOTRAN fluid labels: PRES (pressure); VX, VY, or VZ (velocities); ENKE or ENDS (turbulent kinetic energy or turbulent energy dissipation); SP01 through SP06 (multiple species mass fractions) or their user-defined names. Electric label: VOLT (voltage). Magnetic labels: MAG (scalar magnetic potential); AX, AY, or AZ (vector magnetic potentials). High-frequency electromagnetic label: AX (Electric Wall or Magnetic Wall boundary condition)

Delete constraints from NODE to NEND (defaults to NODE) in steps of NINC (defaults to 1).

Deleting a constraint is not the same as setting it to zero (which "fixes" the degree of freedom to a zero value). Deleting a constraint has the same effect as deactivating, releasing, or setting the constraint "free." The node and the degree of freedom label must be selected [NSEL, DOFSEL].

For elements HF119 and HF120, used in high-frequency electromagnetic analysis, the AX DOF is not an x-component of a vector potential, but rather a tangential component of E (the electric field) on the element edges and faces. To specify an Electric Wall condition, set AX to zero. For more information, see Chapter 10 in the ANSYS Electromagnetic Field Analysis Guide.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Delete >Boundary >On Nodes

Main Menu >Preprocessor >Loads >Delete >Displacement >On Nodes

Main Menu >Preprocessor >Loads >Delete >Pressure DOF >On Nodes

Main Menu >Preprocessor >Loads >Delete >Species >On Nodes

Main Menu >Preprocessor >Loads >Delete >Temperature >On Nodes

Main Menu >Preprocessor >Loads >Delete >Turbulence >On Nodes

Main Menu >Preprocessor >Loads >Delete >Velocity >On Nodes

Main Menu >Preprocessor >Loads >Delete >All Load Data >On All Nodes

Main Menu >Preprocessor >Loads >Delete >On Nodes

Main Menu >Solution >Delete >Boundary >On Nodes

Main Menu >Solution >Delete >Displacement >On Nodes

Main Menu >Solution >Delete >Pressure DOF >On Nodes

Main Menu >Solution >Delete >Species >On Nodes

Main Menu >Solution >Delete >Temperature >On Nodes

Main Menu >Solution >Delete >Turbulence >On Nodes

Main Menu >Solution >Delete >Velocity >On Nodes

Main Menu >Solution >Delete >All Load Data >On All Nodes

Main Menu >Solution >Delete >On Nodes

Specifies "Element birth and death" as the subsequent status topic.

SOLUTION:Status

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This is a status [STAT] topic command. Status topic commands are generated by the GUI and will appear in the log file (Jobname.LOG) if status is requested for some items under Utility Menu>List>Status. This command will be immediately followed by a STAT command, which will report the status for the specified topic.

If entered directly into the program, the STAT command should immediately follow this command.

Utility Menu >List >Status >Solution >Elem Birth/Death

Specifies "Data definition settings" as the subsequent status topic.

POST1:Status POST26:Status

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This is a status [STAT] topic command. Status topic commands are generated by the GUI and will appear in the log file (Jobname.LOG) if status is requested for some items under Utility Menu>List>Status. This command will be immediately followed by a STAT command, which will report the status for the specified topic.

If entered directly into the program, the STAT command should immediately follow this command.

Utility Menu >List >Status >General Postproc >Read Options

Utility Menu >List >Status >TimeHist Postproc >Variables

Deletes a parameter or parameters (GUI).

APDL:Parameters

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Val1 can be:

ALL - Indicates that you want to delete all user-defined parameters, or both all user-defined and all system parameters, as indicated by the Val2 argument.

<blank> - Indicates that you want to delete the array parameter indicated by LOC.

Val2 can be:

LOC - When Val1 is <blank>, use Val2 to specify the location of the parameter within the "Array Parameters" dialog box. The location number is based on an alphabetically ordered list of all parameters in the database. Not valid when Val1 is ALL.

_PRM - When Val1 is ALL, specifying _PRM for Val2 causes all user-defined parameters and all system parameters (except _STATUS and _RETURN) to be deleted.

<blank> - When Val1 is ALL, specifying <blank> for Val2 causes all user-defined parameters to be deleted.

This is a command generally created by the Graphical User Interface (GUI). It will appear in the log file (Jobname.LOG) if an array parameter is deleted from within the "Array Parameters" dialog box.

To delete all user-defined parameters, issue the command *DEL,ALL. To delete all user-defined and all system parameters (except for _STATUS and _RETURN), issue the command *DEL,ALL,_PRM. To delete a parameter by specifying its location within the "Array Parameters" dialog box, issue the command *DEL,,LOC.

This command is valid in any processor.

This command cannot be accessed directly in the menu.

Deletes a file.

SESSION:Files

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File name (32 characters maximum) to be deleted. Defaults to the current Jobname.

File name extension (8 characters maximum).

Directory name (64 characters maximum). Defaults to current directory.

This command is valid only at the Begin Level.

Utility Menu >File >File Operations >Delete

Specifies the time step sizes to be used for this load step.

SOLUTION:LoadStepOptions

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Time step size for this step. If automatic time stepping is being used [AUTOTS], DTIME is the starting time substep. If SOLCONTROL,ON and contact elements TARGE169, TARGE170, CONTA171, CONTA172, CONTA173, or CONTA174 are used, defaults to 1 or 1/20 the total time span of the load step, depending on the physics of the problem. If SOLCONTROL,ON and none of these contact elements are used, defaults to 1 time span of the load step. If SOLCONTROL,OFF, defaults to the previously specified value.

Minimum time step (if automatic time stepping is used). If SOLCONTROL,ON, default determined by ANSYS depending on the physics of the problem. If SOLCONTROL,OFF, defaults to the previously specified value (or DTIME, if there is no previously specified value).

Maximum time step (if automatic time stepping is used). If SOLCONTROL,ON, default determined by ANSYS depending on the physics of the problem. If SOLCONTROL,OFF, defaults to the previously specified value (or the time span of the load step, if there is no previously specified value).

Time step carry-over key:

OFF - Use DTIME as time step at start of each load step.

ON - Use final time step from previous load step as the starting time step (if automatic time stepping is used).

If SOLCONTROL,ON, default determined by ANSYS depending on the physics of the problem. If SOLCONTROL,OFF, defaults to OFF.

See NSUBST for an alternative input. Use values for DTIME and TIME [TIME] that are consistent. For example, using 0.9 for DTIME and 1.0 for TIME will result in one time step because 1.0 (TIME) is divisible by .9 (DTIME) at most once. If your intent is to load in 10 increments over a time span of 1.0, then use 0.1 for DTIME and 1.0 for TIME. It is recommended that all fields of this command be specified for solution efficiency and robustness.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Time/Frequenc >Time - Time Step

Main Menu >Solution >Time/Frequenc >Time - Time Step

Differentiates a variable.

POST26:Operations

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Arbitrary reference number assigned to the resulting variable (2 to NV [NUMVAR]). If this number is the same as for a previously defined variable, the previously defined variable will be overwritten with this result.

Reference numbers of variables to be operated on. IY is differentiated with respect to IX.

Unused field.

Eight character name for identifying the variable on the printout and displays. Embedded blanks are compressed upon output.

Unused fields.

Scaling factor (positive or negative) applied as shown below (defaults to 1.0).

Differentiates variables according to the operation:

Menu Paths

Main Menu >TimeHist Postpro >Math Operations >Derivative

Controls default element sizes.

PREP7:Meshing

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Minimum number of elements that will be attached to a line when using lower-order elements (defaults to 3 elements per line). If MINL=DEFA, all arguments will be set back to default values. If MINL=STAT, list status of command (Including on/off status). If MINL=OFF, deactivate default element sizing. If MINL=ON, reactivate default element sizing.

Minimum number of elements that will be attached to a line when using higher-order elements (defaults to 2 elements per line).

Maximum number of elements that will be attached to a single line (lower or higher-order elements) (defaults to 15 elements per line for h-elements and 6 divisions per line for p-elements).

Maximum spanned angle per lower-order element for curved lines (defaults to 15 degrees per element).

Maximum spanned angle per higher-order element for curved lines (defaults to 28 degrees per element).

Minimum element edge length (defaults to no minimum edge length).

Maximum element edge length (defaults to no maximum edge length).

Target aspect ratio for adjacent line. Used only when free meshing (defaults to 1.0, which attempts to create equal sided h-elements; defaults to 4 for p-elements).

Target aspect ratio for adjacent line. Used only when map meshing (defaults to 4.0, which attempts to create rectangular h-elements; defaults to 6 for p-elements).

Notes

DESIZE settings are used for mapped meshing. They are also used for free meshing if SmartSizing is turned off [SMRTSIZE,OFF], which is the default. The default settings of the DESIZE command are used only when no other element size specifications [KESIZE, LESIZE, ESIZE] exist for a certain line.

Main Menu >Preprocessor >Size Cntrls >Other

Defines or modifies solution results at a node of an element.

POST1:SetUp

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Element number for which results are defined or modified. If ALL, apply to all selected elements [ESEL].

Node of element (actual node number, not the position) to which results are specified. If ALL, specify results for all selected nodes [NSEL] of element. If NODE = 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 NODE.

Label identifying results. Valid item labels are shown in the table below. Some items also require a component label (Comp).

Component of the item (if required). Valid component labels are shown in the table below.

Value (in the element coordinate system) assigned to the database item (and component, if any). If zero, a zero value will be assigned. If blank, value remains unchanged.

Additional values (if any) assigned to the remaining components (in the order corresponding to the Comp list shown below) for the specified Item (starting from the specified Comp label and proceeding to the right).

Defines or modifies solution results in the database at a node of an area or volume element. For example, DESOL,35,50,S,X,1000,2000,1000 assigns values 1000, 2000, and 1000 to SX, SY, and SZ (respectively) of node 50 of element 35. The settings of the POST1 FORCE, SHELL, and LAYER commands, if applicable, further specify which database items are affected. All data is stored in the solution coordinate system but will be displayed in the results coordinate system [RSYS]. Use the PRESOL command to list the current results.

Valid item and component labels for element results are:

Main Menu >General Postproc >Elem Results

Modifies element table results in the database.

POST1:SetUp

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Element for which results are to be modified. If ALL, modify all selected elements [ESEL] results. If ELEM = 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 ELEM.

Label identifying results. Valid labels are as defined with the ETABLE command. Issue ETABLE,STAT to display labels and values.

Value assigned to this element table result in the database. If zero, a zero value will be assigned. If blank, value remains unchanged.

Additional values (if any) assigned to consecutive element table columns.

Modifies element table [ETABLE] results in the database. For example, DETAB,35,ABC,1000,2000,1000 assigns 1000, 2000, and 1000 to the first three table columns starting with label ABC for element 35. Use the PRETAB command to list the current results. After deleting a column of data using ETABLE,Lab,ERASE, the remaining columns of data are not shifted to compress the empty slot. Therefore, the user must allocate null (blank) values for V1, V2....V6 for any ETABLE entries which have been deleted by issuing ETABLE,Lab,ERASE. All data are stored in the solution coordinate system but will be displayed in the results coordinate system [RSYS].

Main Menu >General Postproc >ElemTabl Data

Controls graphics device options.

DISPLAY:SetUp

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Device function label:

DITHER - Dithering. When turned on (default), dithering smooths transitions in color intensity. Applies only to Z-buffered displays.

FONT - Font selection for the ANSYS graphics window. Using this label with the /DEVDISP command requires the following form: /DEVDISP,FONT,Key,val1,val2,val3,val4,val5,val6. The description for values val1 through val6 depends upon the platform that you are using, as described below. Note that these values are device specific; thus, using the same command input file [/INPUT] on different machines may yield different results.
UNIX:
The values are used to find a match in the X11 database of font strings. Values 1, 2, and 3 are character strings; value 4 is a non-zero integer:

val1 - Family name (e.g., Courier)

val2 - Weight (e.g., medium)

val3 - Slant (e.g., r)

val4 - Pixel size (e.g., 14)

val5 - unused

val6 - unused

PC:
The values are encoded in an PC logical font structure. Value 1 is a character string, and the remaining values are integers:

val1 - Family name (e.g., Courier*New) Substitute an asterisk (*) for any blank character that appears in a family name. Within the ANSYS GUI, if val1 = MENU, all other values are ignored and a font selection menu appears. A value containing all blank characters causes ANSYS to use the first available resource that it finds.

val2 - Weight (0 - 1000)

val3 - Orientation (in tenths of a degree)

val4 - Height (in logical units)

val5 - Width (in logical units)

val6 - Italics (0 = OFF, 1 = ON)

TEXT - Text size specification for the ANSYS Graphics window. Using this label with the /DEVDISP command requires the following form:

/DEVDISP,TEXT,Key,Percent.
Key = 1 for LEGEND fonts; Key = 2 for ENTITY fonts. Percent specifies the new text size as a percent of the default text size. If Percent = 100, the new text size is precisely the default size. If Percent = 200, the new text size is twice the default text size.

Control key:

OFF or 0 - Turns specified function off.

ON or 1 - Turns specified function on.

Menu Paths

DISPLAY Program

Controls graphics device options.

GRAPHICS:SetUp

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Device function label:

VECTOR - Vector mode. When vector mode is turned on, areas, volumes, elements, and the geometry in postprocessing displays are shown as outlines (wireframes). When vector mode is turned off (default), raster mode will be used. In raster mode, areas, volumes, elements, and the geometry in postprocessing displays are shown filled with color.

DITHER - Dithering. When turned on (default), dithering smooths transitions in color intensity. Applies only to smooth-shaded images, i.e., Z-buffered [/TYPE] raster plots with Gouraud or Phong shading [/SHADE].

ANIM - Select the animation type used on 2-D devices on the PC platform. AVI,2 sets animation mode to AVI movie player file. BMP,0 sets animation mode to ANSYS Animation Controller.

FONT - Font selection for the ANSYS graphics window. Using this label with the /DEVICE command requires the following form: /DEVICE,FONT,Key,Val1,Val2,Val3,Val4,Val5,Val6. The description for values val1 through val6 depends upon the platform that you are using:

UNIX: The values are used to find a match in the X11 database of font strings. Values 1, 2, and 3 are character strings; value 4 is a non-zero integer:

Val1 - Family name (e.g., Courier)

Val2 - Weight (e.g., medium)

Val3 - Slant (e.g., r)

VAL4 - Pixel size (e.g., 14)

Val5 - unused

Val6 - unused

PC: The values are encoded in an PC logical font structure. Value 1 is a character string, and the remaining values are integers:

Val1 - Family name (e.g., Courier*New) Substitute an asterisk (*) for any blank character that appears in a family name. Within the ANSYS GUI, if val1 = MENU, all other values are ignored and a font selection menu appears. A value containing all blank characters causes ANSYS to use the first available resource that it finds.

VAL2 - Weight (0 - 1000)

VAL3 - Orientation (in tenths of a degree)

VAL4 - Height (in logical units)

VAL5 - Width (in logical units)

VAL6 - Italics (0 = OFF, 1 = ON)

TEXT Text size specification for the ANSYS Graphics window. Using this label with the /DEVICE command requires the following form: /DEVICE,TEXT,KEY,PERCENT.
KEY = 1 for LEGEND fonts; KEY = 2 for ENTITY fonts. Percent specifies the new text size as a percent of the default text size. If PERCENT = 100, the new text size is precisely the default size. If PERCENT = 200, the new text size is twice the default text size.

Control key:

OFF or 0 - Turns specified function off.

ON or 1 - Turns specified function on.

Notes

This command is valid in any processor.

Utility Menu >PlotCtrls >Device Options

Utility Menu >PlotCtrls >Redirect Plots >To File

Utility Menu >PlotCtrls >Window Controls >Entity Font

Utility Menu >PlotCtrls >Window Controls >Legend Font

Digitizes nodes to a surface.

PREP7:Digitizing

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Digitize nodes NODE1 through NODE2 in steps of NINC. NODE2 defaults to NODE1 and NINC defaults to 1.

Notes

Digitizes nodes to the surface defined by the DSURF command. The nodes indicated must be digitized from the tablet after this command is given. The program must be in the interactive mode and the graphics terminal show option [/SHOW] must be active. The global Cartesian coordinates of the nodes are stored.

Main Menu >Preprocessor >Create >Nodes >Digitize Nodes >Digitize Nodes

Specifies "Node digitizing" as the subsequent status topic.

PREP7:Status

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This is a status [STAT] topic command. Status topic commands are generated by the GUI and will appear in the log file (Jobname.LOG) if status is requested for some items under Utility Menu>List>Status. This command will be immediately followed by a STAT command, which will report the status for the specified topic.

If entered directly into the program, the STAT command should immediately follow this command.

Utility Menu >List >Status >Preprocessor >Digitize Module

Defines an array parameter and its dimensions.

APDL:Parameters

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Name of parameter to be dimensioned. See *SET for name restrictions.

Array type:

ARRAY - Arrays are similar to standard FORTRAN arrays (indices are integers) (default). Index numbers for the rows, columns, and planes are sequential values beginning with one.

CHAR - array entries are alphanumeric character strings (up to 8 characters each). Index numbers for rows, columns, and planes are sequential values beginning with one.

TABLE - array indices are real (non-integer) numbers which must be defined when filling the table. Index numbers for the rows and columns are stored in the zero column and row "array elements" and are initially assigned a near-zero value. Index numbers must be in ascending order and are used only for retrieving an array element. When retrieving an array element with a real index that does not match a specified index, linear interpolation is done among the nearest indices and the corresponding array element values [*SET].

Extent of first dimension (row) (1 to 1,000,000 for Type ARRAY or CHAR, 1 to 65,535 for Type TABLE). Defaults to 1.

Extent of second dimension (column) (1 to 255). Defaults to 1.

Extent of third dimension (plane) (1 to 7). Defaults to 1.

Variable name corresponding to the first dimension (row) for Type=TABLE. Defaults to Row.

Variable name corresponding to the second dimension (column) for Type=TABLE. Defaults to Column.

Variable name corresponding to the third dimension (plane) for Type=TABLE. Defaults to Plane.

Up to three dimensions (row, column, and plane) may be defined. An index number is associated with each row, column, and plane. For array and table type parameters, element values are initialized to zero. For character parameters, element values are initialized to <blank>. A defined parameter must be deleted [*SET] before its dimensions can be changed. Scalar (single valued) parameters should not be dimensioned. *DIM,A,,3 defines a vector array with elements A(1), A(2), and A(3). *DIM,B,,2,3 defines a 2x3 array with elements B(1,1), B(2,1), B(1,2), B(2,2), B(1,3), and B(2,3). Use *STATUS,Par to display elements of array Par.

If you use table parameters to define boundary conditions, then Var1, Var2, and/or Var3 can either specify a primary variable (listed below) or can be an independent parameter. If specifying an independent parameter, then you must define an additional table for the independent parameter. The additional table must have the same name as the independent parameter and may be a function of one or more primary variables or another independent parameter. All independent parameters must relate to a primary variable.

Note that the X, Y, and Z coordinate locations listed above represent global Cartesian coordinates. The VELOCITY label is applicable only to the calculated fluid velocity in element FLUID116.

This command is valid in any processor.

Main Menu >Preprocessor >Loads >Time/Frequenc >Time - Time Step

Main Menu >Preprocessor >Loads >Time/Frequenc >Time and Substps

Main Menu >Preprocessor >Material Props >Mooney-Rivlin >Calculate Const

Main Menu >Solution >Time/Frequenc >Time - Time Step

Main Menu >Solution >Time/Frequenc >Time and Substps

Utility Menu >Parameters >Array Parameters >Define/Edit

Specifies "Display settings" as the subsequent status topic.

POST1:Status

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This is a status [STAT] topic command. Status topic commands are generated by the GUI and will appear in the log file (Jobname.LOG) if status is requested for some items under Utility Menu>List>Status. This command will be immediately followed by a STAT command, which will report the status for the specified topic.

If entered directly into the program, the STAT command should immediately follow this command.

Utility Menu >List >Status >General Postproc >Plot Results

Specifies the viewing distance for magnifications and perspective.

GRAPHICS:Views

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Window number (or ALL) to which command applies (defaults to 1).

Distance along the view line from the observer to the focus point (defaults to value producing full-window display). Warning, distances "too close" to the object will produce excessive magnifications. If DVAL = AUTO, zero, or blank, the program will calculate the distance automatically. If DVAL = USER, the distance of last display will be used (useful when last display automatically calculated distance).

DVAL interpretation key:

0 - Interpret numerical DVAL values as described above.

1 - Interpret DVAL as a multiplier on the current distance (DVAL of 2 gives twice the current distance; 0.5 gives half the current distance, etc.).

Notes

The scale factor is relative to the window shape. For example, for objects centered in a square window and with parallel projection (no perspective), a distance of /2 (+10%) produces a full window magnification, where is the largest in-plane vertical or horizontal dimension. See also /AUTO and /USER commands.

This command is valid in any processor.

Utility Menu >PlotCtrls >Pan, Zoom, Rotate

Utility Menu >PlotCtrls >View Settings >Magnification

Defines DOF constraints at keypoints.

SOLUTION:SolidConstraints

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Keypoint at which constraint is to be specified. If ALL, apply to all selected keypoints [KSEL]. If KPOI = 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 KPOI.

Valid degree of freedom label. If ALL, use all appropriate labels. Structural labels: UX, UY, or UZ (displacements); ROTX, ROTY, or ROTZ (rotations). Thermal labels: TEMP (temperature). Magnetic labels: MAG (scalar magnetic potential); AX, AY, or AZ (vector magnetic potentials).

Degree of freedom value or table name reference for tabular boundary conditions. To specify a table, enclose the table name in percent signs (%) (e.g., DK,NODE,TEMP,%tabnam%). Use the *DIM command to define a table.

Second degree of freedom value (if any). If the analysis type and the degree of freedom allow a complex input, VALUE (above) is the real component and VALUE2 is the imaginary component.

Expansion key:

0 - Constraint applies only to the node at this keypoint.

1 - Flags this keypoint for constraint expansion.

Additional degree of freedom labels. The same values are applied to the keypoints for these labels.

A keypoint may be flagged using KEXPND to allow its constraints to be expanded to nodes on the attached solid model entities having similarly flagged keypoint constraints. Constraints are transferred from keypoints to nodes with the DTRAN or SBCTRAN commands. The expansion uses interpolation to apply constraints to the nodes on the lines between flagged keypoints. If all keypoints of an area or volume region are flagged and the constraints (label and values) are equal, the constraints are applied to the interior nodes of the region. See the D command for a description of nodal constraints.

Tabular boundary conditions (VALUE=%tabnam%) are available only for structural (UX, UY, UZ, ROTX, ROTY, ROTZ) and temperature degree of freedom (TEMP) labels.

Constraints specified by the DK command can conflict with other specified constraints. See Section 2.6.5.3 of the ANSYS Basic Analysis Procedures Guide for details.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Apply >Boundary >On Keypoints

Main Menu >Preprocessor >Loads >Apply >Pressure DOF >On Keypoints

Main Menu >Preprocessor >Loads >Apply >Spectrum >On Keypoints

Main Menu >Preprocessor >Loads >Apply >Velocity >On Keypoints

Main Menu >Preprocessor >Loads >Delete >Spectrum >On Keypoints

Main Menu >Solution >Apply >Boundary >On Keypoints

Main Menu >Solution >Apply >Pressure DOF >On Keypoints

Main Menu >Solution >Apply >Spectrum >On Keypoints

Main Menu >Solution >Apply >Velocity >On Keypoints

Main Menu >Solution >Delete >Spectrum >On Keypoints

Deletes DOF constraints at a keypoint.

SOLUTION:SolidConstraints

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Keypoint for which constraint is to be deleted. If ALL, delete for all selected keypoints [KSEL]. If KPOI = 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 KPOI.

Valid degree of freedom label. If ALL, use all appropriate labels. See the DDELE command for labels.

Deletes the degree of freedom constraints (and all corresponding finite element constraints) at a keypoint. See the DDELE command for details.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Delete >Boundary >On Keypoints

Main Menu >Preprocessor >Loads >Delete >Displacement >On Keypoints

Main Menu >Preprocessor >Loads >Delete >Pressure DOF >On Keypoints

Main Menu >Preprocessor >Loads >Delete >Temperature >On Keypoints

Main Menu >Preprocessor >Loads >Delete >Velocity >On Keypoints

Main Menu >Preprocessor >Loads >Delete >All Load Data >On All KPs

Main Menu >Preprocessor >Loads >Delete >On Keypoints

Main Menu >Solution >Delete >Boundary >On Keypoints

Main Menu >Solution >Delete >Displacement >On Keypoints

Main Menu >Solution >Delete >Pressure DOF >On Keypoints

Main Menu >Solution >Delete >Temperature >On Keypoints

Main Menu >Solution >Delete >Velocity >On Keypoints

Main Menu >Solution >Delete >All Load Data >On All KPs

Main Menu >Solution >Delete >On Keypoints

Lists the DOF constraints at keypoints.

SOLUTION:SolidConstraints

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List constraints for this keypoint. If ALL (default), list for all selected keypoints [KSEL]. If KPOI = 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 KPOI.

Listing applies to the selected keypoints [KSEL] and the selected degree of freedom labels [DOFSEL].

This command is valid in any processor.

Utility Menu >List >Loads >DOF Constraints >On All Keypoints

Utility Menu >List >Loads >DOF Constraints >On Picked KPs

Defines DOF constraints on lines.

SOLUTION:SolidConstraints

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Line at which constraints are to be specified. If ALL, apply to all selected lines [LSEL]. If LINE = 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 LINE.

Area containing line. The normal to the symmetry or antisymmetry surface is assumed to lie on this area. Defaults to the lowest numbered selected area containing the line number.

Symmetry label (see Note 2 below.):

SYMM - Generate symmetry constraints for non-FLOTRAN models.

ASYM - Generate antisymmetry constraints for non-FLOTRAN models.

ANSYS DOF labels (see Notes 3, 4, 5 below.):

UX - Displacement in X direction.

UY - Displacement in Y direction.

UZ - Displacement in Z direction.

ROTX - Rotation about X axis.

ROTY - Rotation about Y axis.

ROTZ - Rotation about Z axis.

TEMP - Temperature

VOLT - Electric scalar potential.

AX - Magnetic vector potential in X direction.

AY - Magnetic vector potential in Y direction.

AZ - Magnetic vector potential in Z direction.

ALL - Applies all appropriate DOF labels.

FLOTRAN standard DOF labels See Note 3 below.):
VX, VY, VZ, PRES, TEMP, ENKE, ENDS

FLOTRAN Species Labels (See Note 4 below.):
SP01, SP02, SP03, SP04, SP05, SP06

Value of DOF or table name reference on the line. Valid for all DOF labels. To specify a table, enclose the table name in % signs (e.g., DL,LINE,AREA,TEMP,%tabname%). Use the *DIM command to define a table.

For FLOTRAN DOFs:

0 - Values are applied only to nodes within the line.

1 - Values are applied to the endpoints of the line as well as to the internal nodes. (See Note 3 below.)

For VOLT DOFs:

Value of the imaginary component of the degree of freedom.

1 You can transfer constraints from lines to nodes with the DTRAN or SBCTRAN commands. See the DK command for information about generating other constraints at lines.

2 Symmetry and antisymmetry constraints are generated as described on the DSYM command.

3 For the velocity DOF (VX,VY,VZ), a zero value will override a non-zero value at the intersection of two lines.

4 You can use the MSSPEC command to change FLOTRAN species labels to user-defined labels. You must define these labels with the MSSPEC command before using them on the DL command.

5 Setting Lab to VOLT and Value 1 = 0 applies the J-normal boundary condition (current density vector (J) flows normal to the line). No input is required for the J-parallel condition because it is the natural boundary condition.

6 The use of tabular boundary conditions (Value1=%tabname%) is available only for structural (UX, UY, UZ, ROTX, ROTY, ROTZ) and temperature degree of freedom (TEMP) labels.

7 Constraints specified by the DL command can conflict with other specified constraints. See Section 2.6.5.3 of the ANSYS Basic Analysis Procedures Guide for details.

8 This command is also valid in PREP7.

Menu Paths

Main Menu >Preprocessor >Loads >Apply >...with Area

Main Menu >Preprocessor >Loads >Apply >On Lines

Main Menu >Preprocessor >Loads >Apply >Boundary >On Lines

Main Menu >Preprocessor >Loads >Apply >Displacement >...with Area

Main Menu >Preprocessor >Loads >Apply >Displacement >On Lines

Main Menu >Preprocessor >Loads >Apply >Pressure DOF >On Lines

Main Menu >Preprocessor >Loads >Apply >Species >On Lines

Main Menu >Preprocessor >Loads >Apply >Turbulence >On Lines

Main Menu >Preprocessor >Loads >Apply >Velocity >On Lines

Main Menu >Solution >Apply >...with Area

Main Menu >Solution >Apply >On Lines

Main Menu >Solution >Apply >Boundary >On Lines

Main Menu >Solution >Apply >Displacement >...with Area

Main Menu >Solution >Apply >Displacement >On Lines

Main Menu >Solution >Apply >Pressure DOF >On Lines

Main Menu >Solution >Apply >Species >On Lines

Main Menu >Solution >Apply >Turbulence >On Lines

Main Menu >Solution >Apply >Velocity >On Lines

Deletes DOF constraints on a line.

SOLUTION:SolidConstraints

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Line for which constraints are to be deleted. If ALL, delete for all selected lines [LSEL]. If LINE = 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 LINE.

Constraint label:

ALL - All constraints.

SYMM - Symmetry constraints.

ASYM - Antisymmetry constraints.

UX - Displacement in X direction.

UY - Displacement in Y direction.

UZ - Displacement in Z direction.

ROTX - Rotation about X axis.

ROTY - Rotation about Y axis.

ROTZ - Rotation about Z axis.

VX - Velocity component in X direction.

VY - Velocity component in Y direction.

VZ - Velocity component in Z direction.

PRES - Pressure.

TEMP - Temperature.

ENKE - Turbulent Kinetic Energy.

ENDS - Energy Dissipation Rate.

VOLT - Electric scalar potential.

SP01-SP06 - Multiple Species Mass Fraction.

AX - Magnetic vector potential in X direction.

AY - Magnetic vector potential in Y direction.

AZ - Magnetic vector potential in Z direction.

Deletes the degree of freedom constraints (and all corresponding finite element constraints) on a line previously specified with the DL command. See the DDELE command for delete details.

Warning: On previously meshed lines, all constraints on affected nodes will also be deleted, whether or not they were specified by the DL command.

If the multiple species labels have been changed to user-defined labels via the MSSPEC command, use the user-defined labels.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Delete >Boundary >On Lines

Main Menu >Preprocessor >Loads >Delete >Displacement >On Lines

Main Menu >Preprocessor >Loads >Delete >Pressure DOF >On Lines

Main Menu >Preprocessor >Loads >Delete >Species >On Lines

Main Menu >Preprocessor >Loads >Delete >Temperature >On Lines

Main Menu >Preprocessor >Loads >Delete >Turbulence >On Lines

Main Menu >Preprocessor >Loads >Delete >Velocity >On Lines

Main Menu >Preprocessor >Loads >Delete >All Load Data >On All Lines

Main Menu >Preprocessor >Loads >Delete >On Lines

Main Menu >Solution >Delete >Boundary >On Lines

Main Menu >Solution >Delete >Displacement >On Lines

Main Menu >Solution >Delete >Pressure DOF >On Lines

Main Menu >Solution >Delete >Species >On Lines

Main Menu >Solution >Delete >Temperature >On Lines

Main Menu >Solution >Delete >Turbulence >On Lines

Main Menu >Solution >Delete >Velocity >On Lines

Main Menu >Solution >Delete >All Load Data >On All Lines

Main Menu >Solution >Delete >On Lines

Lists DOF constraints.

SOLUTION:FEConstraints

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List constraints for nodes NODE1 to NODE2 (defaults to NODE1) in steps of NINC (defaults to 1). If ALL (default), NODE2 and NINC are ignored and constraints for all selected nodes [NSEL] are listed. If NODE1 = 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 NODE1 (NODE2 and NINC are ignored).

Listing applies to the selected nodes [NSEL] and the selected degree of freedom labels [DOFSEL].

This command is valid in any processor.

Utility Menu >List >Loads >DOF Constraints >On All Nodes

Utility Menu >List >Loads >DOF Constraints >On Picked Nodes

Lists DOF constraints on a line.

SOLUTION:SolidConstraints

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List constraints for this line. If ALL (default), list for all selected lines [LSEL]. If LINE = 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 LINE.

Lists the degree of freedom constraints on a line previously specified with the DL command.

This command is valid in any processor.

Utility Menu >List >Loads >DOF Constraints >On All Lines

Utility Menu >List >Loads >DOF Constraints >On Picked Lines

Digitizes nodes on surfaces and along intersections.

PREP7:Digitizing

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Digitize nodes NODE1 through NODE2 in steps of NINC. NODE2 defaults to NODE1 and NINC defaults to 1.

Digitizes nodes on undefined surfaces, warped surfaces, and along intersection lines. Two orthogonal views showing the nodes on a plane in each view are required. No surfaces need be specified. Two coordinates are determined from the second view and the other coordinate is retained from the first view. Use the DIG command to first define nodes in one view (as determined from the DSET command). Then reset the view and use this command to move the nodes to the proper location.

Main Menu >Preprocessor >Create >Nodes >Digitize Nodes >2-View Digitize

Sets a constant damping ratio.

SOLUTION:DynamicOptions

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Damping ratio (for example, 2% is input as 0.02).

Notes

Sets a constant damping ratio for use in the harmonic response (ANTYPE=HARMIC) analysis, the mode superposition transient (ANTYPE=TRANS) analysis, and the spectrum (ANTYPE=SPECTR) analysis.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Time/Frequenc >Damping

Main Menu >Solution >Time/Frequenc >Damping

Defines or modifies solution results at a node.

POST1:SetUp

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Node for which results are specified. If ALL, apply to all selected nodes [NSEL]. If NODE = 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 NODE.

Label identifying results. Valid item labels are shown in the table below. Items also require a component label.

Component of the item. Valid component labels are shown in the table below.

Value assigned to result. If zero, a zero value will be assigned. If blank, the value remains unchanged. Additional values (if any) assigned to the remaining components (in the order corresponding to the Comp list shown below for the specified Item (starting from the specified Comp label and proceeding to the right).

DNSOL can be used only with FULL graphics activated (/GRAPHICS,FULL); it will not work correctly with PowerGraphics activated.

DNSOL defines or modifies solution results in the database at a node. For example, DNSOL,35,U,X,.001,.002,.001 assigns values 0.001, 0.002, and 0.001 to UX, UY, and UZ (respectively) for node 35. All results that are changed in the database, including the nodal degree of freedom results, are available for all subsequent operations. All data is stored in the solution coordinate system, but will be displayed in the results coordinate system [RSYS]. Use the PRNSOL command to list the current results.

Issuing the DNSOL command or its GUI equivalent requires you to place the data type (stress/strain) in the element nodal records. To get around this requirement, use the DESOL command or equivalent path to add a "dummy" element stress/strain record.

Valid item and component labels for nodal degree of freedom results are:

Valid item and component labels for area and volume element results are:

Valid item labels for FLOTRAN nodal results are:

Main Menu >General Postproc >Nodal Results

Defines the beginning of a do-loop.

APDL:ProcessControls

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The name of the scalar parameter to be used as the loop index. See *SET for name restrictions. Any existing parameter of the same name will be redefined. There is no character parameter substitution for the Par field.

Initially assign IVAL to Par. Increment IVAL by INC for each successive loop. If IVAL exceeds FVAL and INC is positive, the loop is not executed. INC defaults to 1. Negative increments and non-integer numbers are allowed.

The block of commands following the *DO command (up to the *ENDDO command) is executed repeatedly until some loop control is satisfied. Printout is automatically suppressed on all loops after the first (include a /GOPR command to restore the printout). The command line loop control (Par,IVAL,FVAL,INC) must be input; however, a *IF within the block can also be used to control looping [*EXIT, *CYCLE]. One level of internal file switching is used for each nested *DO. Twenty levels of nested do-loops are allowed. Note, do-loops that include /INPUT, *USE, or an "Unknown Command" macro, have less nesting available because each of these operations also uses a level of file switching. The *DO, *ENDDO, and any *CYCLE and *EXIT commands for a do-loop must all be read from the same file (or keyboard). Picking operations should not be used within a do-loop.

This command is valid in any processor.

This command cannot be accessed directly in the menu.

Adds degrees of freedom to the current DOF set.

PREP7:ElementType

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Valid labels are: UX, UY, UZ (structural displacements); ROTX, ROTY, ROTZ (structural rotations); TEMP (temperature); PRES (pressure); VOLT (voltage); MAG (magnetic scalar potential); AX, AY, AZ (magnetic vector potentials); CURR (current); EMF (electromotive force drop); DELETE.

Notes

The degree of freedom (DOF) set for the model is determined from all element types defined. For example, if only LINK1 is defined, the set is UX,UY. If LINK1 and BEAM3 are defined, the set is UX,UY,ROTZ. This command may be used to add to the current set. The ALL label may be used on some commands to represent all labels of the current degree of freedom set for the model. Issue the DOF command with no arguments to list the current set. Use the DELETE label to delete any previously added DOFs and return to the default DOF set.

Main Menu >Preprocessor >Element Type >Add DOF

Main Menu >Preprocessor >Element Type >Remove DOFs

Selects a DOF label set for reference by other commands.

DATABASE:Selecting

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Label identifying the type of select:

S - Select a new set of labels.

A - Add labels to the current set.

U - Unselect (remove) labels from the current set.

ALL - Restore the full set of labels.

STAT - Display the current select status.

Used only with Type=S,A, or U. Valid structural labels: UX, UY or UZ (displacements); U (UX, UY and UZ); ROTX, ROTY or ROTZ (rotations); ROT (ROTX, ROTY and ROTZ); DISP (U and ROT). Valid thermal labels: TEMP (temperature). Valid fluid flow labels: PRES (pressure); VX, VY or VZ (fluid velocities); V (VX, VY and VZ); ENKE, ENDS (turbulent kinetic energy, turbulent energy dissipation); EN (ENKE and ENDS turbulent energies) (FLOTRAN). Valid electric labels: VOLT (voltage); EMF (electromotive force drop); CURR (current). Valid magnetic labels: MAG (scalar magnetic potential); AX, AY or AZ (vector magnetic potentials); A (AX, AY and AZ); CURR (current). Valid structural force labels: FX, FY or FZ (forces); F (FX, FY and FZ); MX, MY or MZ (moments); M (MX, MY and MZ); FORC (F and M). Valid thermal force labels: HEAT (heat flow). Valid fluid flow force labels: FLOW (fluid flow). Valid electric force labels: AMPS (current flow), CHRG (electric charge). Valid magnetic force labels: FLUX (scalar magnetic flux); CSGX, CSGY or CSGZ (magnetic current segments); CSG (CSGX, CSGY, and CSGZ).

Notes

Selects a degree of freedom label set for reference by other commands. The label set is used on certain commands where ALL is either input in the degree of freedom label field or implied. The active label set has no effect on the solution degrees of freedom. Specified labels which are not active in the model (from the ET or DOF command) are ignored. As a convenience, a set of force labels corresponding to the degree of freedom labels is also selected. For example, selecting UX also causes FX to be selected (and vice versa). The force label set is used on certain commands where ALL is input in the force label field.

This command is valid in any processor.

Main Menu >Preprocessor >Loads >Operate >Constraints

Main Menu >Preprocessor >Loads >Operate >Forces

Main Menu >Preprocessor >Loads >Settings >Constraints

Main Menu >Preprocessor >Loads >Settings >Forces

Main Menu >Solution >Operate >Constraints

Main Menu >Solution >Operate >Forces

Main Menu >Solution >Settings >Constraints

Main Menu >Solution >Settings >Forces

Specifies the rotational acceleration of the structure.

SOLUTION:Inertia

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Rotational acceleration of the structure about the global Cartesian X , Y, and Z axes.

Specifies the rotational acceleration of the structure about each of the global Cartesian axes. Rotational accelerations may be defined in analysis types ANTYPE=STATIC, HARMIC (full), TRANS (full), and SUBSTR. See also Section 15.1 of the ANSYS Theory Reference for details. Units are radians/time². Related commands are ACEL, CGLOC, CGOMGA, DCGOMG, and OMEGA.

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Apply >Other >Angular Accel

Main Menu >Preprocessor >Loads >Delete >Other >Angular Accel

Main Menu >Solution >Apply >Other >Angular Accel

Main Menu >Solution >Delete >Other >Angular Accel

Sets the displacement multiplier for displacement displays.

GRAPHICS:Scaling

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Window number (or ALL) to which command applies (defaults to 1).

AUTO or 0 - Scale displacements automatically so that maximum displacement (vector amplitude) displays as 5 percent of the maximum model length, as measured in the global Cartesian X, Y, or Z directions. This is the default setting when NLGEOM is OFF.

1 - Do not scale displacements (i.e., scale displacements by 1.0, true to geometry). Often used with large deflection results. This is the default setting when NLGEOM is ON.

FACTOR - Scale displacements by numerical value input for FACTOR.

OFF - Remove displacement scaling (i.e., scale displacements by 0.0, no distortion).

USER - Set DMULT to that used for last display (useful when last DMULT value was automatically calculated).

Notes

This command is valid in any processor.

Utility Menu >PlotCtrls >Style >Displacement Scaling

Scales DOF constraint values.

SOLUTION:FEConstraints

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Scale factor for the real component. Zero (or blank) defaults to 1.0. Use a small number for a zero scale factor.

Scale factor for the imaginary component. Zero (or blank) defaults to 1.0. Use a small number for a zero scale factor.

Base temperature for temperature difference. For temperatures, the scale factor is applied to the temperature difference (T-TBASE) and then added to TBASE. T is the current temperature.

Scales degree of freedom constraint values (displacement, temperature, etc.) in the database. Scaling applies to the previously defined values for the selected nodes [NSEL] and the selected degree of freedom labels [DOFSEL]. Issue DLIST command to review results. Solid model boundary conditions are not scaled by this command, but boundary conditions on the FE model are scaled. (Note that such scaled FE boundary conditions may still be overwritten by unscaled solid model boundary conditions if a subsequent boundary condition transfer occurs.)

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Operate >Constraints

Main Menu >Solution >Operate >Constraints

Sets the scale and drawing plane orientation for a digitizing tablet.

PREP7:Digitizing

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Any three (non-colinear) nodes defining a plane parallel to the drawing. Nodes and actual locations (in any coordinate system) must have been previously defined.

Digitizing device type number (device dependent).

Sets drawing scale size and defines the drawing plane orientation for use with a digitizing tablet. Drawings must be to scale. Views must represent standard orthogonal parallel projections. The three nodes indicated must be digitized [DIG] from the tablet after this command is issued.

Main Menu >Preprocessor >Create >Nodes >Digitize Nodes >Set Plane/Device

Specifies the double sum mode combination method.

SOLUTION:SpectrumOptions

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Combine only those modes whose significance level exceeds the SIGNIF threshold. For single point, multipoint, or DDAM response (SPOPT,SPRS, MPRS or DDAM), the significance level of a mode is defined as the mode coefficient of the mode, divided by the maximum mode coefficient of all modes. Any mode whose significance level is less than SIGNIF is considered insignificant and is not contributed to the mode combinations. The higher the SIGNIF threshold, the fewer the number of modes combined. SIGNIF defaults to 0.001. If SIGNIF is specified as 0.0, it is taken as 0.0. (This mode combination method is not valid for SPOPT,PSD.)

Label identifying the combined mode solution output.

DISP - Displacement solution (default). Displacements, stresses, forces, etc., are available.

VELO - Velocity solution. Velocities, "stress velocities," "force velocities," etc., are available.

ACEL - Acceleration solution. Accelerations, "stress accelerations," "force accelerations," etc., are available.

Time duration (TD) for earthquake or shock spectrum. TD defaults to 10.

This command is also valid for PREP7.

Main Menu >Preprocessor >Loads >Spectrum >Mode Combine

Main Menu >Solution >Spectrum >Mode Combine

Defines the surface upon which digitized nodes lie.

PREP7:Digitizing

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Surface is located in coordinate system KCN. KCN may be 0,1,2 or any previously defined local coordinate system number.

Input one value to define the surface constant. Input 999 in the other two fields. Interpret fields as R,,Z for cylindrical or R,, for spherical or toroidal coordinate systems. XSURF and YSURF default to 999 if KCN=0.

Notes

Defines the surface upon which the nodes to be digitized (with the DIG command) actually lie. Surfaces are defined by a coordinate system number and a coordinate constant [MOVE]. Two coordinates are determined from the drawing and converted to surface coordinates. The third coordinate is defined from the input surface constant. If nodes lie on warped or undefined surfaces, use the DMOVE command.

Main Menu >Preprocessor >Create >Nodes >Digitize Nodes >Define Surface

Specifies symmetry or antisymmetry DOF constraints on nodes.

SOLUTION:FEConstraints

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Symmetry label:

SYMM - Generate symmetry constraints as described below.

ASYM - Generate antisymmetry constraints as described below.

Surface orientation label to determine the constraint set (surface is assumed to be perpendicular to this coordinate direction in coordinate system KCN):

X - Surface is normal to coordinate X direction (default). Interpreted as R direction for non-Cartesian coordinate systems.

Y - Surface is normal to coordinate Y direction. direction for non-Cartesian coordinate systems.

Z - Surface is normal to coordinate Z direction. direction for spherical or toroidal coordinate systems.

Reference number of global or local coordinate system used to define surface orientation.

Specifies symmetry or antisymmetry degree of freedom constraints on the selected nodes. The nodes are first automatically rotated (any previously defined rotations on these nodes are redefined) into coordinate system KCN, then zero-valued constraints are generated, as described below, on the selected degree of freedom set (limited to displacement, velocity, and magnetic degrees of freedom) [DOFSEL]. Constraints are defined in the (rotated) nodal coordinate system, as usual. See the D and NROTAT commands for additional details about constraints and nodal rotations.

This command is also valid in PREP7.

Symmetry or antisymmetry constraint generations are based upon the valid degrees of freedom in the model, i.e., the degrees of freedom associated with the elements attached to the nodes. The degree of freedom labels used in the generation depend on the Normal label.

For displacement degrees of freedom, the constraints generated are:

For velocity degrees of freedom, the constraints generated are:

For magnetic degrees of freedom, the SYMM label generates flux normal conditions (flux flows normal to the surface). Where no constraints are generated, the flux normal condition is "naturally" satisfied. The ASYM label generates flux parallel conditions (flux flows parallel to the surface).

Main Menu >Preprocessor >Loads >Apply >On Nodes

Main Menu >Preprocessor >Loads >Apply >Boundary >On Nodes

Main Menu >Preprocessor >Loads >Apply >Displacement >On Nodes

Main Menu >Solution >Apply >On Nodes

Main Menu >Solution >Apply >Boundary >On Nodes

Main Menu >Solution >Apply >Displacement >On Nodes

Activates a display coordinate system for geometry listings and plots.

GRAPHICS:SetUp

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Coordinate system reference number. KCN may be 0,1,2 or any previously defined local coordinate system number. Note, if a cylinder is displayed in its cylindrical coordinate system (with a 1,0,0 view), it will be unrolled (developed) into a flat plane (with theta along the Y direction).

Notes

Items such as node coordinates (but not node rotation angles) and keypoint coordinates are listed and plotted in this coordinate system. Element displays are also displayed in this coordinate system since an element is displayed in terms of its nodes (if a selected subset of elements is displayed, all nodes on the elements must also be selected or else the unselected nodes on the elements will not be transformed to the display coordinate system). Boundary condition symbols, vector arrows, and element coordinate system triads are not transformed to the display coordinate system. The display system orientation (for the default view) is X horizontal to the right, Y vertical upward, and Z out of the screen (normal).

Only the Cartesian coordinate system [DSYS,0] is supported by PowerGraphics. Picking is supported only for the global Cartesian coordinate system [DSYS,0].

This command is valid in any processor.

Utility Menu >WorkPlane >Change Display CS to >Global Cartesian

Utility Menu >WorkPlane >Change Display CS to >Global Cylindrical

Utility Menu >WorkPlane >Change Display CS to >Global Spherical

Utility Menu >WorkPlane >Change Display CS to >Specified Coord Sys

Transfers solid model DOF constraints to the finite element model.

SOLUTION:SolidConstraints

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Constraints are transferred only from selected solid model entities to selected nodes. The DTRAN operation is also done if the SBCTRAN command is issued, and is automatically done upon initiation of the solution calculations [SOLVE].

This command is also valid in PREP7.

Main Menu >Preprocessor >Loads >Operate >Constraints

Main Menu >Solution >Operate >Constraints

Dumps the contents of a binary file.

AUX2:BinaryFiles

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Dump file from record NSTRT (defaults to 1) to NSTOP (defaults to NSTRT). If NSTRT=HEAD, dump only record 1 of the file (NSTOP and the format specification are ignored). If NSTRT=ALL, dump the entire file.

Dumps the file named on the AUX2 FILEAUX2 command according the format specified on the FORM command.

Utility Menu >File >List >Binary Files

Utility Menu >List >Files >Binary Files

Sets 3-D device option modes.

GRAPHICS:SetUp

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Mode label:

ANIM - Animation mode. The ANIM option allows you to create animation frames in pixmap mode instead of display list mode. This may improve large model performance, but it eliminates local manipulation while animation is in progress.

DGEN - Local manipulation degenerate mode. The DGEN option allows the user to set wire-frame local manipulation mode for 3-D devices (device dependent).

DLIST - 3D display options. The DLIST option allows the user to specify whether screen updates and redraws will be performed using the ANSYS Display List, or the 3D device's Display List. When using ANSYS on a network, DLIST should be set "ON."

The following key options apply to Lab = ANIM:

0 - Display list animation. The object can be dynamically manipulated while animating.

1 - On UNIX, device-dependent pixmap animation is used. On the PC, bitmap animation is provided.

2 - On the PC only, this option provides AVI animation which uses the AVI movie player (default).

The following key options apply to Lab = DGEN:

0 - Normal manipulation.

1 - Wireframe Manipulation.

The following key options apply to Lab = DLIST:

0 - (OFF) The ANSYS Display List is used for plotting and dynamic graphics manipulation (default).

1 - (ON) The local (3D Device) Display List is used for plotting and dynamic rotation.

This command is valid in any processor.

Utility Menu >PlotCtrls >Device Options

Specifies "Dynamic analysis options" as the subsequent status topic.

SOLUTION:Status

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This is a status [STAT] topic command. Status topic commands are generated by the GUI and will appear in the log file (Jobname.LOG) if status is requested for some items under Utility Menu>List>Status. This command will be immediately followed by a STAT command, which will report the status for the specified topic.

If entered directly into the program, the STAT command should immediately follow this command.

Utility Menu >List >Status >Solution >Dynamics Options